char = P;code = 80 char = e;code = 101 char = r;code = 114 char = o;code = 111 char = x;code = 120 char = i;code = 105 char = s;code = 115 char = o;code = 111 char = m;code = 109 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = m;code = 109 char = a;code = 97 char = l;code = 108 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = d;code = 100 char = e;code = 101 char = h;code = 104 char = y;code = 121 char = d;code = 100 char = r;code = 114 char = o;code = 111 char = g;code = 103 char = e;code = 101 char = n;code = 110 char = a;code = 97 char = s;code = 115 char = e;code = 101 char = ;code = 32 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = n;code = 110 char = o;code = 111 char = t;code = 116 char = ;code = 32 char = e;code = 101 char = s;code = 115 char = s;code = 115 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = i;code = 105 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = p;code = 112 char = h;code = 104 char = o;code = 111 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = p;code = 112 char = i;code = 105 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = A;code = 65 char = r;code = 114 char = a;code = 97 char = b;code = 98 char = i;code = 105 char = d;code = 100 char = o;code = 111 char = p;code = 112 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = b;code = 98 char = u;code = 117 char = t;code = 116 char = ;code = 32 char = i;code = 105 char = t;code = 116 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = b;code = 98 char = s;code = 115 char = e;code = 101 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = a;code = 97 char = u;code = 117 char = s;code = 115 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = c;code = 99 char = r;code = 114 char = e;code = 101 char = a;code = 97 char = s;code = 115 char = e;code = 101 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = s;code = 115 char = t;code = 116 char = o;code = 111 char = i;code = 105 char = c;code = 99 char = h;code = 104 char = i;code = 105 char = o;code = 111 char = m;code = 109 char = e;code = 101 char = t;code = 116 char = r;code = 114 char = y;code = 121 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = p;code = 112 char = h;code = 104 char = o;code = 111 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = p;code = 112 char = i;code = 105 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = y;code = 121 char = ;code = 32 char = C;code = 67 char = O;code = 79 char = 2;code = 50 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = l;code = 108 char = e;code = 101 char = a;code = 97 char = s;code = 115 char = e;code = 101 char = .;code = 46 result sql = Peroxisomal malate dehydrogenase is not essential for photorespiration in Arabidopsis but its absence causes an increase in the stoichiometry of photorespiratory CO2 release.
Peroxisomal malate dehydrogenase is not essential for photorespiration in Arabidopsis but its absence causes an increase in the stoichiometry of photorespiratory CO2 release.char = P;code = 80 char = e;code = 101 char = r;code = 114 char = o;code = 111 char = x;code = 120 char = i;code = 105 char = s;code = 115 char = o;code = 111 char = m;code = 109 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = i;code = 105 char = m;code = 109 char = p;code = 112 char = o;code = 111 char = r;code = 114 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = c;code = 99 char = y;code = 121 char = c;code = 99 char = l;code = 108 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = c;code = 99 char = a;code = 97 char = r;code = 114 char = b;code = 98 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = n;code = 110 char = i;code = 105 char = t;code = 116 char = r;code = 114 char = o;code = 111 char = g;code = 103 char = e;code = 101 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = w;code = 119 char = o;code = 111 char = u;code = 117 char = l;code = 108 char = d;code = 100 char = ;code = 32 char = o;code = 111 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = r;code = 114 char = w;code = 119 char = i;code = 105 char = s;code = 115 char = e;code = 101 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = ;code = 32 char = l;code = 108 char = o;code = 111 char = s;code = 115 char = t;code = 116 char = ;code = 32 char = d;code = 100 char = u;code = 117 char = r;code = 114 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = p;code = 112 char = h;code = 104 char = o;code = 111 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = p;code = 112 char = i;code = 105 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = d;code = 100 char = u;code = 117 char = c;code = 99 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = h;code = 104 char = y;code = 121 char = d;code = 100 char = r;code = 114 char = o;code = 111 char = x;code = 120 char = y;code = 121 char = p;code = 112 char = y;code = 121 char = r;code = 114 char = u;code = 117 char = v;code = 118 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = g;code = 103 char = l;code = 108 char = y;code = 121 char = c;code = 99 char = e;code = 101 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = a;code = 97 char = t;code = 116 char = a;code = 97 char = l;code = 108 char = y;code = 121 char = z;code = 122 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = b;code = 98 char = y;code = 121 char = ;code = 32 char = h;code = 104 char = y;code = 121 char = d;code = 100 char = r;code = 114 char = o;code = 111 char = x;code = 120 char = y;code = 121 char = p;code = 112 char = y;code = 121 char = r;code = 114 char = u;code = 117 char = v;code = 118 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = d;code = 100 char = u;code = 117 char = c;code = 99 char = t;code = 116 char = a;code = 97 char = s;code = 115 char = e;code = 101 char = ;code = 32 char = (;code = 40 char = H;code = 72 char = P;code = 80 char = R;code = 82 char = );code = 41 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = e;code = 101 char = r;code = 114 char = o;code = 111 char = x;code = 120 char = i;code = 105 char = s;code = 115 char = o;code = 111 char = m;code = 109 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = o;code = 111 char = u;code = 117 char = g;code = 103 char = h;code = 104 char = t;code = 116 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = ;code = 32 char = f;code = 102 char = a;code = 97 char = c;code = 99 char = i;code = 105 char = l;code = 108 char = i;code = 105 char = t;code = 116 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = b;code = 98 char = y;code = 121 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = d;code = 100 char = u;code = 117 char = c;code = 99 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = N;code = 78 char = A;code = 65 char = D;code = 68 char = H;code = 72 char = ;code = 32 char = b;code = 98 char = y;code = 121 char = ;code = 32 char = p;code = 112 char = e;code = 101 char = r;code = 114 char = o;code = 111 char = x;code = 120 char = i;code = 105 char = s;code = 115 char = o;code = 111 char = m;code = 109 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = m;code = 109 char = a;code = 97 char = l;code = 108 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = d;code = 100 char = e;code = 101 char = h;code = 104 char = y;code = 121 char = d;code = 100 char = r;code = 114 char = o;code = 111 char = g;code = 103 char = e;code = 101 char = n;code = 110 char = a;code = 97 char = s;code = 115 char = e;code = 101 char = ;code = 32 char = (;code = 40 char = P;code = 80 char = M;code = 77 char = D;code = 68 char = H;code = 72 char = );code = 41 char = .;code = 46 char = ;code = 32 char = P;code = 80 char = M;code = 77 char = D;code = 68 char = H;code = 72 char = ,;code = 44 char = ;code = 32 char = w;code = 119 char = h;code = 104 char = i;code = 105 char = c;code = 99 char = h;code = 104 char = ;code = 32 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = e;code = 101 char = n;code = 110 char = c;code = 99 char = o;code = 111 char = d;code = 100 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = b;code = 98 char = y;code = 121 char = ;code = 32 char = t;code = 116 char = w;code = 119 char = o;code = 111 char = ;code = 32 char = g;code = 103 char = e;code = 101 char = n;code = 110 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = A;code = 65 char = r;code = 114 char = a;code = 97 char = b;code = 98 char = i;code = 105 char = d;code = 100 char = o;code = 111 char = p;code = 112 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = (;code = 40 char = A;code = 65 char = r;code = 114 char = a;code = 97 char = b;code = 98 char = i;code = 105 char = d;code = 100 char = o;code = 111 char = p;code = 112 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = a;code = 97 char = l;code = 108 char = i;code = 105 char = a;code = 97 char = n;code = 110 char = a;code = 97 char = );code = 41 char = ,;code = 44 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = d;code = 100 char = u;code = 117 char = c;code = 99 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = N;code = 78 char = A;code = 65 char = D;code = 68 char = (;code = 40 char = +;code = 43 char = );code = 41 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = N;code = 78 char = A;code = 65 char = D;code = 68 char = H;code = 72 char = ;code = 32 char = v;code = 118 char = i;code = 105 char = a;code = 97 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = o;code = 111 char = x;code = 120 char = i;code = 105 char = d;code = 100 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = m;code = 109 char = a;code = 97 char = l;code = 108 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = s;code = 115 char = u;code = 117 char = p;code = 112 char = p;code = 112 char = l;code = 108 char = i;code = 105 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = f;code = 102 char = r;code = 114 char = o;code = 111 char = m;code = 109 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = y;code = 121 char = t;code = 116 char = o;code = 111 char = p;code = 112 char = l;code = 108 char = a;code = 97 char = s;code = 115 char = m;code = 109 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = o;code = 111 char = x;code = 120 char = a;code = 97 char = l;code = 108 char = o;code = 111 char = a;code = 97 char = c;code = 99 char = e;code = 101 char = t;code = 116 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = .;code = 46 char = ;code = 32 char = A;code = 65 char = ;code = 32 char = d;code = 100 char = o;code = 111 char = u;code = 117 char = b;code = 98 char = l;code = 108 char = e;code = 101 char = ;code = 32 char = m;code = 109 char = u;code = 117 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = l;code = 108 char = a;code = 97 char = c;code = 99 char = k;code = 107 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = e;code = 101 char = x;code = 120 char = p;code = 112 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = s;code = 115 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = b;code = 98 char = o;code = 111 char = t;code = 116 char = h;code = 104 char = ;code = 32 char = P;code = 80 char = M;code = 77 char = D;code = 68 char = H;code = 72 char = ;code = 32 char = g;code = 103 char = e;code = 101 char = n;code = 110 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = w;code = 119 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = v;code = 118 char = i;code = 105 char = a;code = 97 char = b;code = 98 char = l;code = 108 char = e;code = 101 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = a;code = 97 char = i;code = 105 char = r;code = 114 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = h;code = 104 char = a;code = 97 char = d;code = 100 char = ;code = 32 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = p;code = 112 char = h;code = 104 char = o;code = 111 char = t;code = 116 char = o;code = 111 char = s;code = 115 char = y;code = 121 char = n;code = 110 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = n;code = 110 char = l;code = 108 char = y;code = 121 char = ;code = 32 char = s;code = 115 char = l;code = 108 char = i;code = 105 char = g;code = 103 char = h;code = 104 char = t;code = 116 char = l;code = 108 char = y;code = 121 char = ;code = 32 char = l;code = 108 char = o;code = 111 char = w;code = 119 char = e;code = 101 char = r;code = 114 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = a;code = 97 char = n;code = 110 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = w;code = 119 char = i;code = 105 char = l;code = 108 char = d;code = 100 char = ;code = 32 char = t;code = 116 char = y;code = 121 char = p;code = 112 char = e;code = 101 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = h;code = 104 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = n;code = 110 char = t;code = 116 char = r;code = 114 char = a;code = 97 char = s;code = 115 char = t;code = 116 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = o;code = 111 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = r;code = 114 char = ;code = 32 char = p;code = 112 char = h;code = 104 char = o;code = 111 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = p;code = 112 char = i;code = 105 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = y;code = 121 char = ;code = 32 char = m;code = 109 char = u;code = 117 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = t;code = 116 char = s;code = 115 char = ,;code = 44 char = ;code = 32 char = w;code = 119 char = h;code = 104 char = i;code = 105 char = c;code = 99 char = h;code = 104 char = ;code = 32 char = h;code = 104 char = a;code = 97 char = v;code = 118 char = e;code = 101 char = ;code = 32 char = s;code = 115 char = e;code = 101 char = v;code = 118 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = l;code = 108 char = y;code = 121 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = d;code = 100 char = u;code = 117 char = c;code = 99 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = p;code = 112 char = h;code = 104 char = o;code = 111 char = t;code = 116 char = o;code = 111 char = s;code = 115 char = y;code = 121 char = n;code = 110 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = q;code = 113 char = u;code = 117 char = i;code = 105 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = h;code = 104 char = i;code = 105 char = g;code = 103 char = h;code = 104 char = ;code = 32 char = C;code = 67 char = O;code = 79 char = (;code = 40 char = 2;code = 50 char = );code = 41 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = g;code = 103 char = r;code = 114 char = o;code = 111 char = w;code = 119 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = m;code = 109 char = d;code = 100 char = h;code = 104 char = ;code = 32 char = m;code = 109 char = u;code = 117 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = h;code = 104 char = a;code = 97 char = d;code = 100 char = ;code = 32 char = a;code = 97 char = ;code = 32 char = h;code = 104 char = i;code = 105 char = g;code = 103 char = h;code = 104 char = e;code = 101 char = r;code = 114 char = ;code = 32 char = O;code = 79 char = (;code = 40 char = 2;code = 50 char = );code = 41 char = -;code = 45 char = d;code = 100 char = e;code = 101 char = p;code = 112 char = e;code = 101 char = n;code = 110 char = d;code = 100 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = C;code = 67 char = O;code = 79 char = (;code = 40 char = 2;code = 50 char = );code = 41 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = m;code = 109 char = p;code = 112 char = e;code = 101 char = n;code = 110 char = s;code = 115 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = p;code = 112 char = o;code = 111 char = i;code = 105 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = a;code = 97 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = w;code = 119 char = i;code = 105 char = l;code = 108 char = d;code = 100 char = ;code = 32 char = t;code = 116 char = y;code = 121 char = p;code = 112 char = e;code = 101 char = ,;code = 44 char = ;code = 32 char = i;code = 105 char = m;code = 109 char = p;code = 112 char = l;code = 108 char = y;code = 121 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = e;code = 101 char = i;code = 105 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = r;code = 114 char = ;code = 32 char = R;code = 82 char = u;code = 117 char = b;code = 98 char = i;code = 105 char = s;code = 115 char = c;code = 99 char = o;code = 111 char = ;code = 32 char = s;code = 115 char = p;code = 112 char = e;code = 101 char = c;code = 99 char = i;code = 105 char = f;code = 102 char = i;code = 105 char = c;code = 99 char = i;code = 105 char = t;code = 116 char = y;code = 121 char = ;code = 32 char = h;code = 104 char = a;code = 97 char = d;code = 100 char = ;code = 32 char = c;code = 99 char = h;code = 104 char = a;code = 97 char = n;code = 110 char = g;code = 103 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = C;code = 67 char = O;code = 79 char = (;code = 40 char = 2;code = 50 char = );code = 41 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = l;code = 108 char = e;code = 101 char = a;code = 97 char = s;code = 115 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = p;code = 112 char = e;code = 101 char = r;code = 114 char = ;code = 32 char = R;code = 82 char = u;code = 117 char = b;code = 98 char = i;code = 105 char = s;code = 115 char = c;code = 99 char = o;code = 111 char = ;code = 32 char = o;code = 111 char = x;code = 120 char = y;code = 121 char = g;code = 103 char = e;code = 101 char = n;code = 110 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = w;code = 119 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = c;code = 99 char = r;code = 114 char = e;code = 101 char = a;code = 97 char = s;code = 115 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = m;code = 109 char = d;code = 100 char = h;code = 104 char = ;code = 32 char = p;code = 112 char = l;code = 108 char = a;code = 97 char = n;code = 110 char = t;code = 116 char = s;code = 115 char = .;code = 46 char = ;code = 32 char = R;code = 82 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = g;code = 103 char = r;code = 114 char = o;code = 111 char = s;code = 115 char = s;code = 115 char = ;code = 32 char = O;code = 79 char = (;code = 40 char = 2;code = 50 char = );code = 41 char = ;code = 32 char = e;code = 101 char = v;code = 118 char = o;code = 111 char = l;code = 108 char = u;code = 117 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = u;code = 117 char = p;code = 112 char = t;code = 116 char = a;code = 97 char = k;code = 107 char = e;code = 101 char = ;code = 32 char = w;code = 119 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = s;code = 115 char = i;code = 105 char = m;code = 109 char = i;code = 105 char = l;code = 108 char = a;code = 97 char = r;code = 114 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = m;code = 109 char = d;code = 100 char = h;code = 104 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = w;code = 119 char = i;code = 105 char = l;code = 108 char = d;code = 100 char = -;code = 45 char = t;code = 116 char = y;code = 121 char = p;code = 112 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = l;code = 108 char = a;code = 97 char = n;code = 110 char = t;code = 116 char = s;code = 115 char = ,;code = 44 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = d;code = 100 char = i;code = 105 char = c;code = 99 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = c;code = 99 char = h;code = 104 char = l;code = 108 char = o;code = 111 char = r;code = 114 char = o;code = 111 char = p;code = 112 char = l;code = 108 char = a;code = 97 char = s;code = 115 char = t;code = 116 char = ;code = 32 char = l;code = 108 char = i;code = 105 char = n;code = 110 char = e;code = 101 char = a;code = 97 char = r;code = 114 char = ;code = 32 char = e;code = 101 char = l;code = 108 char = e;code = 101 char = c;code = 99 char = t;code = 116 char = r;code = 114 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = r;code = 114 char = a;code = 97 char = n;code = 110 char = s;code = 115 char = p;code = 112 char = o;code = 111 char = r;code = 114 char = t;code = 116 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = p;code = 112 char = h;code = 104 char = o;code = 111 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = p;code = 112 char = i;code = 105 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = y;code = 121 char = ;code = 32 char = O;code = 79 char = (;code = 40 char = 2;code = 50 char = );code = 41 char = ;code = 32 char = u;code = 117 char = p;code = 112 char = t;code = 116 char = a;code = 97 char = k;code = 107 char = e;code = 101 char = ;code = 32 char = w;code = 119 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = s;code = 115 char = i;code = 105 char = m;code = 109 char = i;code = 105 char = l;code = 108 char = a;code = 97 char = r;code = 114 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = t;code = 116 char = w;code = 119 char = e;code = 101 char = e;code = 101 char = n;code = 110 char = ;code = 32 char = g;code = 103 char = e;code = 101 char = n;code = 110 char = o;code = 111 char = t;code = 116 char = y;code = 121 char = p;code = 112 char = e;code = 101 char = s;code = 115 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = C;code = 67 char = O;code = 79 char = (;code = 40 char = 2;code = 50 char = );code = 41 char = ;code = 32 char = p;code = 112 char = o;code = 111 char = s;code = 115 char = t;code = 116 char = i;code = 105 char = l;code = 108 char = l;code = 108 char = u;code = 117 char = m;code = 109 char = i;code = 105 char = n;code = 110 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = b;code = 98 char = u;code = 117 char = r;code = 114 char = s;code = 115 char = t;code = 116 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = C;code = 67 char = O;code = 79 char = (;code = 40 char = 2;code = 50 char = );code = 41 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = l;code = 108 char = e;code = 101 char = a;code = 97 char = s;code = 115 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = d;code = 100 char = u;code = 117 char = r;code = 114 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = p;code = 112 char = h;code = 104 char = o;code = 111 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = p;code = 112 char = i;code = 105 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = w;code = 119 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = b;code = 98 char = o;code = 111 char = t;code = 116 char = h;code = 104 char = ;code = 32 char = g;code = 103 char = r;code = 114 char = e;code = 101 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = m;code = 109 char = d;code = 100 char = h;code = 104 char = ;code = 32 char = m;code = 109 char = u;code = 117 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = m;code = 109 char = p;code = 112 char = a;code = 97 char = r;code = 114 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = w;code = 119 char = i;code = 105 char = t;code = 116 char = h;code = 104 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = w;code = 119 char = i;code = 105 char = l;code = 108 char = d;code = 100 char = ;code = 32 char = t;code = 116 char = y;code = 121 char = p;code = 112 char = e;code = 101 char = ,;code = 44 char = ;code = 32 char = s;code = 115 char = u;code = 117 char = g;code = 103 char = g;code = 103 char = e;code = 101 char = s;code = 115 char = t;code = 116 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = p;code = 112 char = h;code = 104 char = o;code = 111 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = p;code = 112 char = i;code = 105 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = y;code = 121 char = ;code = 32 char = C;code = 67 char = O;code = 79 char = (;code = 40 char = 2;code = 50 char = );code = 41 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = l;code = 108 char = e;code = 101 char = a;code = 97 char = s;code = 115 char = e;code = 101 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = R;code = 82 char = u;code = 117 char = b;code = 98 char = i;code = 105 char = s;code = 115 char = c;code = 99 char = o;code = 111 char = ;code = 32 char = o;code = 111 char = x;code = 120 char = y;code = 121 char = g;code = 103 char = e;code = 101 char = n;code = 110 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = w;code = 119 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = l;code = 108 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = m;code = 109 char = d;code = 100 char = h;code = 104 char = ;code = 32 char = m;code = 109 char = u;code = 117 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = t;code = 116 char = .;code = 46 char = ;code = 32 char = W;code = 87 char = i;code = 105 char = t;code = 116 char = h;code = 104 char = o;code = 111 char = u;code = 117 char = t;code = 116 char = ;code = 32 char = P;code = 80 char = M;code = 77 char = D;code = 68 char = H;code = 72 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = e;code = 101 char = r;code = 114 char = o;code = 111 char = x;code = 120 char = i;code = 105 char = s;code = 115 char = o;code = 111 char = m;code = 109 char = e;code = 101 char = ,;code = 44 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = C;code = 67 char = O;code = 79 char = (;code = 40 char = 2;code = 50 char = );code = 41 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = l;code = 108 char = e;code = 101 char = a;code = 97 char = s;code = 115 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = p;code = 112 char = e;code = 101 char = r;code = 114 char = ;code = 32 char = R;code = 82 char = u;code = 117 char = b;code = 98 char = i;code = 105 char = s;code = 115 char = c;code = 99 char = o;code = 111 char = ;code = 32 char = o;code = 111 char = x;code = 120 char = y;code = 121 char = g;code = 103 char = e;code = 101 char = n;code = 110 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = a;code = 97 char = c;code = 99 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = c;code = 99 char = a;code = 97 char = n;code = 110 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = c;code = 99 char = r;code = 114 char = e;code = 101 char = a;code = 97 char = s;code = 115 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = b;code = 98 char = y;code = 121 char = ;code = 32 char = o;code = 111 char = v;code = 118 char = e;code = 101 char = r;code = 114 char = ;code = 32 char = 5;code = 53 char = 0;code = 48 char = %;code = 37 char = .;code = 46 char = ;code = 32 char = I;code = 73 char = n;code = 110 char = ;code = 32 char = s;code = 115 char = u;code = 117 char = m;code = 109 char = m;code = 109 char = a;code = 97 char = r;code = 114 char = y;code = 121 char = ,;code = 44 char = ;code = 32 char = P;code = 80 char = M;code = 77 char = D;code = 68 char = H;code = 72 char = ;code = 32 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = e;code = 101 char = s;code = 115 char = s;code = 115 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = i;code = 105 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = m;code = 109 char = a;code = 97 char = i;code = 105 char = n;code = 110 char = t;code = 116 char = a;code = 97 char = i;code = 105 char = n;code = 110 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = o;code = 111 char = p;code = 112 char = t;code = 116 char = i;code = 105 char = m;code = 109 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = p;code = 112 char = h;code = 104 char = o;code = 111 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = p;code = 112 char = i;code = 105 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = a;code = 97 char = i;code = 105 char = r;code = 114 char = ;;code = 59 char = ;code = 32 char = h;code = 104 char = o;code = 111 char = w;code = 119 char = e;code = 101 char = v;code = 118 char = e;code = 101 char = r;code = 114 char = ,;code = 44 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = i;code = 105 char = t;code = 116 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = b;code = 98 char = s;code = 115 char = e;code = 101 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ,;code = 44 char = ;code = 32 char = s;code = 115 char = i;code = 105 char = g;code = 103 char = n;code = 110 char = i;code = 105 char = f;code = 102 char = i;code = 105 char = c;code = 99 char = a;code = 97 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = p;code = 112 char = h;code = 104 char = o;code = 111 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = p;code = 112 char = i;code = 105 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = a;code = 97 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = s;code = 115 char = t;code = 116 char = i;code = 105 char = l;code = 108 char = l;code = 108 char = ;code = 32 char = p;code = 112 char = o;code = 111 char = s;code = 115 char = s;code = 115 char = i;code = 105 char = b;code = 98 char = l;code = 108 char = e;code = 101 char = ,;code = 44 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = d;code = 100 char = i;code = 105 char = c;code = 99 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = a;code = 97 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = a;code = 97 char = d;code = 100 char = d;code = 100 char = i;code = 105 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = m;code = 109 char = e;code = 101 char = c;code = 99 char = h;code = 104 char = a;code = 97 char = n;code = 110 char = i;code = 105 char = s;code = 115 char = m;code = 109 char = s;code = 115 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = s;code = 115 char = u;code = 117 char = p;code = 112 char = p;code = 112 char = l;code = 108 char = y;code = 121 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = d;code = 100 char = u;code = 117 char = c;code = 99 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = e;code = 101 char = r;code = 114 char = o;code = 111 char = x;code = 120 char = i;code = 105 char = s;code = 115 char = o;code = 111 char = m;code = 109 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = H;code = 72 char = P;code = 80 char = R;code = 82 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = a;code = 97 char = c;code = 99 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = H;code = 72 char = P;code = 80 char = R;code = 82 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = a;code = 97 char = c;code = 99 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = l;code = 108 char = t;code = 116 char = o;code = 111 char = g;code = 103 char = e;code = 101 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = r;code = 114 char = ;code = 32 char = c;code = 99 char = i;code = 105 char = r;code = 114 char = c;code = 99 char = u;code = 117 char = m;code = 109 char = v;code = 118 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = e;code = 101 char = d;code = 100 char = .;code = 46 char = <;code = 60 char = b;code = 98 char = r;code = 114 char = /;code = 47 char = >;code = 62 result sql = Peroxisomes are important for recycling carbon and nitrogen that would otherwise be lost during photorespiration. The reduction of hydroxypyruvate to glycerate catalyzed by hydroxypyruvate reductase (HPR) in the peroxisomes is thought to be facilitated by the production of NADH by peroxisomal malate dehydrogenase (PMDH). PMDH, which is encoded by two genes in Arabidopsis (Arabidopsis thaliana), reduces NAD(+) to NADH via the oxidation of malate supplied from the cytoplasm to oxaloacetate. A double mutant lacking the expression of both PMDH genes was viable in air and had rates of photosynthesis only slightly lower than in the wild type. This is in contrast to other photorespiratory mutants, which have severely reduced rates of photosynthesis and require high CO(2) to grow. The pmdh mutant had a higher O(2)-dependent CO(2) compensation point than the wild type, implying that either Rubisco specificity had changed or that the rate of CO(2) released per Rubisco oxygenation was increased in the pmdh plants. Rates of gross O(2) evolution and uptake were similar in the pmdh and wild-type plants, indicating that chloroplast linear electron transport and photorespiratory O(2) uptake were similar between genotypes. The CO(2) postillumination burst and the rate of CO(2) released during photorespiration were both greater in the pmdh mutant compared with the wild type, suggesting that the ratio of photorespiratory CO(2) release to Rubisco oxygenation was altered in the pmdh mutant. Without PMDH in the peroxisome, the CO(2) released per Rubisco oxygenation reaction can be increased by over 50%. In summary, PMDH is essential for maintaining optimal rates of photorespiration in air; however, in its absence, significant rates of photorespiration are still possible, indicating that there are additional mechanisms for supplying reductant to the peroxisomal HPR reaction or that the HPR reaction is altogether circumvented.
Publication: Plant Physiol. 2008 Oct ;148(2)::786-95. :doi: 10.1104/pp.108.122622.
Publication Date: 2008 Oct
Study Author(s): Cousins, Asaph B;Pracharoenwattana, Itsara;Zhou, Wenxu;Smith, Steven M;Badger, Murray R;
Institution: School of Biological Sciences, Washington State University, Pullman, WA 99164-4236, USA.
[email protected]
Shortcut link to this study:
Peroxisomes are important for recycling carbon and nitrogen that would otherwise be lost during photorespiration. The reduction of hydroxypyruvate to glycerate catalyzed by hydroxypyruvate reductase (HPR) in the peroxisomes is thought to be facilitated by the production of NADH by peroxisomal malate dehydrogenase (PMDH). PMDH, which is encoded by two genes in Arabidopsis (Arabidopsis thaliana), reduces NAD(+) to NADH via the oxidation of malate supplied from the cytoplasm to oxaloacetate. A double mutant lacking the expression of both PMDH genes was viable in air and had rates of photosynthesis only slightly lower than in the wild type. This is in contrast to other photorespiratory mutants, which have severely reduced rates of photosynthesis and require high CO(2) to grow. The pmdh mutant had a higher O(2)-dependent CO(2) compensation point than the wild type, implying that either Rubisco specificity had changed or that the rate of CO(2) released per Rubisco oxygenation was increased in the pmdh plants. Rates of gross O(2) evolution and uptake were similar in the pmdh and wild-type plants, indicating that chloroplast linear electron transport and photorespiratory O(2) uptake were similar between genotypes. The CO(2) postillumination burst and the rate of CO(2) released during photorespiration were both greater in the pmdh mutant compared with the wild type, suggesting that the ratio of photorespiratory CO(2) release to Rubisco oxygenation was altered in the pmdh mutant. Without PMDH in the peroxisome, the CO(2) released per Rubisco oxygenation reaction can be increased by over 50%. In summary, PMDH is essential for maintaining optimal rates of photorespiration in air; however, in its absence, significant rates of photorespiration are still possible, indicating that there are additional mechanisms for supplying reductant to the peroxisomal HPR reaction or that the HPR reaction is altogether circumvented.
PMID: 18685043