|
|
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result sql = Metabolic engineering of astaxanthin production in tobacco flowers.
Metabolic engineering of astaxanthin production in tobacco flowers.char = U;code = 85
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char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = o;code = 111
char = r;code = 114
char = k;code = 107
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = s;code = 115
char = e;code = 101
char = r;code = 114
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = ;code = 32
char = p;code = 112
char = l;code = 108
char = a;code = 97
char = t;code = 116
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = m;code = 109
char = ;code = 32
char = t;code = 116
char = e;code = 101
char = c;code = 99
char = h;code = 104
char = n;code = 110
char = o;code = 111
char = l;code = 108
char = o;code = 111
char = g;code = 103
char = y;code = 121
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = f;code = 102
char = u;code = 117
char = t;code = 116
char = u;code = 117
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = e;code = 101
char = t;code = 116
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = n;code = 110
char = i;code = 105
char = p;code = 112
char = u;code = 117
char = l;code = 108
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = p;code = 112
char = i;code = 105
char = g;code = 103
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
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 = f;code = 102
char = r;code = 114
char = u;code = 117
char = i;code = 105
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = l;code = 108
char = o;code = 111
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = h;code = 104
char = o;code = 111
char = r;code = 114
char = t;code = 116
char = i;code = 105
char = c;code = 99
char = u;code = 117
char = l;code = 108
char = t;code = 116
char = u;code = 117
char = r;code = 114
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = l;code = 108
char = o;code = 111
char = r;code = 114
char = i;code = 105
char = c;code = 99
char = u;code = 117
char = l;code = 108
char = t;code = 116
char = u;code = 117
char = r;code = 114
char = a;code = 97
char = l;code = 108
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 = c;code = 99
char = e;code = 101
char = .;code = 46
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
result sql = Using metabolic engineering, we have modified the carotenoid biosynthesis pathway in tobacco (Nicotiana tabacum) to produce astaxanthin, a red pigment of considerable economic value. To alter the carotenoid pathway in chromoplasts of higher plants, the cDNA of the gene CrtO from the alga Haematococcus pluvialis, encoding beta-carotene ketolase, was transferred to tobacco under the regulation of the tomato Pds (phytoene desaturase) promoter. The transit peptide of PDS from tomato was used to target the CRTO polypeptide to the plastids. Chromoplasts in the nectary tissue of transgenic plants accumulated (3S,3'S) astaxanthin and other ketocarotenoids, changing the color of the nectary from yellow to red. This accomplishment demonstrates that plants can be used as a source of novel carotenoid pigments such as astaxanthin. The procedures described in this work can serve as a platform technology for future genetic manipulations of pigmentation of fruits and flowers of horticultural and floricultural importance.
char = e;code = 101
char = t;code = 116
char = a;code = 97
char = b;code = 98
char = o;code = 111
char = l;code = 108
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = e;code = 101
char = n;code = 110
char = g;code = 103
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = t;code = 116
char = a;code = 97
char = x;code = 120
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = h;code = 104
char = i;code = 105
char = n;code = 110
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 = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = b;code = 98
char = a;code = 97
char = c;code = 99
char = c;code = 99
char = o;code = 111
char = ;code = 32
char = f;code = 102
char = l;code = 108
char = o;code = 111
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = s;code = 115
char = .;code = 46
result sql = Metabolic engineering of astaxanthin production in tobacco flowers.
char = s;code = 115
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = a;code = 97
char = b;code = 98
char = o;code = 111
char = l;code = 108
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = e;code = 101
char = n;code = 110
char = g;code = 103
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ,;code = 44
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = ;code = 32
char = h;code = 104
char = a;code = 97
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = d;code = 100
char = i;code = 105
char = f;code = 102
char = i;code = 105
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = r;code = 114
char = o;code = 111
char = t;code = 116
char = e;code = 101
char = n;code = 110
char = o;code = 111
char = i;code = 105
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = i;code = 105
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 = p;code = 112
char = a;code = 97
char = t;code = 116
char = h;code = 104
char = w;code = 119
char = a;code = 97
char = y;code = 121
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = b;code = 98
char = a;code = 97
char = c;code = 99
char = c;code = 99
char = o;code = 111
char = ;code = 32
char = (;code = 40
char = N;code = 78
char = i;code = 105
char = c;code = 99
char = o;code = 111
char = t;code = 116
char = i;code = 105
char = a;code = 97
char = n;code = 110
char = a;code = 97
char = ;code = 32
char = t;code = 116
char = a;code = 97
char = b;code = 98
char = a;code = 97
char = c;code = 99
char = u;code = 117
char = m;code = 109
char = );code = 41
char = ;code = 32
char = t;code = 116
char = o;code = 111
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 = e;code = 101
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = t;code = 116
char = a;code = 97
char = x;code = 120
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = h;code = 104
char = i;code = 105
char = n;code = 110
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = p;code = 112
char = i;code = 105
char = g;code = 103
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = i;code = 105
char = d;code = 100
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = b;code = 98
char = l;code = 108
char = e;code = 101
char = ;code = 32
char = e;code = 101
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = o;code = 111
char = m;code = 109
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = v;code = 118
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = e;code = 101
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = o;code = 111
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = r;code = 114
char = o;code = 111
char = t;code = 116
char = e;code = 101
char = n;code = 110
char = o;code = 111
char = i;code = 105
char = d;code = 100
char = ;code = 32
char = p;code = 112
char = a;code = 97
char = t;code = 116
char = h;code = 104
char = w;code = 119
char = a;code = 97
char = y;code = 121
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = c;code = 99
char = h;code = 104
char = r;code = 114
char = o;code = 111
char = m;code = 109
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 = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
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 = 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 = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = D;code = 68
char = N;code = 78
char = A;code = 65
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = C;code = 67
char = r;code = 114
char = t;code = 116
char = O;code = 79
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 = a;code = 97
char = l;code = 108
char = g;code = 103
char = a;code = 97
char = ;code = 32
char = H;code = 72
char = a;code = 97
char = e;code = 101
char = m;code = 109
char = a;code = 97
char = t;code = 116
char = o;code = 111
char = c;code = 99
char = o;code = 111
char = c;code = 99
char = c;code = 99
char = u;code = 117
char = s;code = 115
char = ;code = 32
char = p;code = 112
char = l;code = 108
char = u;code = 117
char = v;code = 118
char = i;code = 105
char = a;code = 97
char = l;code = 108
char = i;code = 105
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = o;code = 111
char = d;code = 100
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = t;code = 116
char = a;code = 97
char = -;code = 45
char = c;code = 99
char = a;code = 97
char = r;code = 114
char = o;code = 111
char = t;code = 116
char = e;code = 101
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = k;code = 107
char = e;code = 101
char = t;code = 116
char = o;code = 111
char = l;code = 108
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = n;code = 110
char = s;code = 115
char = f;code = 102
char = e;code = 101
char = r;code = 114
char = r;code = 114
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = b;code = 98
char = a;code = 97
char = c;code = 99
char = c;code = 99
char = o;code = 111
char = ;code = 32
char = u;code = 117
char = n;code = 110
char = d;code = 100
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = g;code = 103
char = u;code = 117
char = l;code = 108
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
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char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = m;code = 109
char = a;code = 97
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = P;code = 80
char = d;code = 100
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = p;code = 112
char = h;code = 104
char = y;code = 121
char = t;code = 116
char = o;code = 111
char = e;code = 101
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = s;code = 115
char = a;code = 97
char = t;code = 116
char = u;code = 117
char = r;code = 114
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = );code = 41
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = o;code = 111
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = n;code = 110
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char = p;code = 112
char = t;code = 116
char = i;code = 105
char = d;code = 100
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = P;code = 80
char = D;code = 68
char = S;code = 83
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char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = m;code = 109
char = a;code = 97
char = t;code = 116
char = o;code = 111
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char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = t;code = 116
char = a;code = 97
char = r;code = 114
char = g;code = 103
char = e;code = 101
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = C;code = 67
char = R;code = 82
char = T;code = 84
char = O;code = 79
char = ;code = 32
char = p;code = 112
char = o;code = 111
char = l;code = 108
char = y;code = 121
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char = e;code = 101
char = p;code = 112
char = t;code = 116
char = i;code = 105
char = d;code = 100
char = e;code = 101
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 = l;code = 108
char = a;code = 97
char = s;code = 115
char = t;code = 116
char = i;code = 105
char = d;code = 100
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = C;code = 67
char = h;code = 104
char = r;code = 114
char = o;code = 111
char = m;code = 109
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 = s;code = 115
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 = n;code = 110
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = a;code = 97
char = r;code = 114
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char = ;code = 32
char = t;code = 116
char = i;code = 105
char = s;code = 115
char = s;code = 115
char = u;code = 117
char = e;code = 101
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char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = n;code = 110
char = s;code = 115
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = i;code = 105
char = c;code = 99
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 = 32
char = a;code = 97
char = c;code = 99
char = c;code = 99
char = u;code = 117
char = m;code = 109
char = u;code = 117
char = l;code = 108
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = (;code = 40
char = 3;code = 51
char = S;code = 83
char = ,;code = 44
char = 3;code = 51
char = ';code = 39
char = S;code = 83
char = );code = 41
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = t;code = 116
char = a;code = 97
char = x;code = 120
char = a;code = 97
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char = t;code = 116
char = h;code = 104
char = i;code = 105
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char = a;code = 97
char = n;code = 110
char = d;code = 100
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char = e;code = 101
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char = k;code = 107
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char = e;code = 101
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char = o;code = 111
char = i;code = 105
char = d;code = 100
char = s;code = 115
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result sql = Using metabolic engineering, we have modified the carotenoid biosynthesis pathway in tobacco (Nicotiana tabacum) to produce astaxanthin, a red pigment of considerable economic value. To alter the carotenoid pathway in chromoplasts of higher plants, the cDNA of the gene CrtO from the alga Haematococcus pluvialis, encoding beta-carotene ketolase, was transferred to tobacco under the regulation of the tomato Pds (phytoene desaturase) promoter. The transit peptide of PDS from tomato was used to target the CRTO polypeptide to the plastids. Chromoplasts in the nectary tissue of transgenic plants accumulated (3S,3'S) astaxanthin and other ketocarotenoids, changing the color of the nectary from yellow to red. This accomplishment demonstrates that plants can be used as a source of novel carotenoid pigments such as astaxanthin. The procedures described in this work can serve as a platform technology for future genetic manipulations of pigmentation of fruits and flowers of horticultural and floricultural importance.
Publication: Nat. Biotechnol. 2000 Aug ;18(8)::888-92.
Publication Date: 2000 Aug
Study Author(s): Mann, V;Harker, M;Pecker, I;Hirschberg, J;
Institution: Department of Genetics, The Life Sciences Institute, The Hebrew University of Jerusalem, Israel.
Shortcut link to this study:
Publication Date: 2000 Aug
Study Author(s): Mann, V;Harker, M;Pecker, I;Hirschberg, J;
Institution: Department of Genetics, The Life Sciences Institute, The Hebrew University of Jerusalem, Israel.
Shortcut link to this study:
Using metabolic engineering, we have modified the carotenoid biosynthesis pathway in tobacco (Nicotiana tabacum) to produce astaxanthin, a red pigment of considerable economic value. To alter the carotenoid pathway in chromoplasts of higher plants, the cDNA of the gene CrtO from the alga Haematococcus pluvialis, encoding beta-carotene ketolase, was transferred to tobacco under the regulation of the tomato Pds (phytoene desaturase) promoter. The transit peptide of PDS from tomato was used to target the CRTO polypeptide to the plastids. Chromoplasts in the nectary tissue of transgenic plants accumulated (3S,3'S) astaxanthin and other ketocarotenoids, changing the color of the nectary from yellow to red. This accomplishment demonstrates that plants can be used as a source of novel carotenoid pigments such as astaxanthin. The procedures described in this work can serve as a platform technology for future genetic manipulations of pigmentation of fruits and flowers of horticultural and floricultural importance.
PMID: 10932161
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