|
|
char = T;code = 84
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result sql = The ontogeny of immunity: development of innate immune strength in the honey bee (Apis mellifera).
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char = s;code = 115
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result sql = Honey bees (Apis mellifera) are of vital economic and ecological importance. These eusocial animals display temporal polyethism, which is an age-driven division of labor. Younger adult bees remain in the hive and tend to developing brood, while older adult bees forage for pollen and nectar to feed the colony. As honey bees mature, the types of pathogens they experience also change. As such, pathogen pressure may affect bees differently throughout their lifespan. We provide the first direct tests of honey bee innate immune strength across developmental stages. WE INVESTIGATED IMMUNE STRENGTH ACROSS FOUR DEVELOPMENTAL STAGES: larvae, pupae, nurses (1-day-old adults), and foragers (22-30 days old adults).
THE IMMUNE STRENGTH OF HONEY BEES WAS QUANTIFIED USING STANDARD IMMUNOCOMPETENCE ASSAYS: total hemocyte count, encapsulation response, fat body quantification, and phenoloxidase activity. Larvae and pupae had the highest total hemocyte counts, while there was no difference in encapsulation response between developmental stages. Nurses had more fat body mass than foragers, while phenoloxidase activity increased directly with honey bee development. Immune strength was most vigorous in older, foraging bees and weakest in young bees. Importantly, we found that adult honey bees do not abandon cellular immunocompetence as has recently been proposed. Induced shifts in behavioral roles may increase a colony's susceptibility to disease if nurses begin foraging activity prematurely.
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result sql = The ontogeny of immunity: development of innate immune strength in the honey bee (Apis mellifera).
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char = s;code = 115
char = e;code = 101
char = ;code = 32
char = e;code = 101
char = u;code = 117
char = s;code = 115
char = o;code = 111
char = c;code = 99
char = i;code = 105
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = i;code = 105
char = m;code = 109
char = a;code = 97
char = l;code = 108
char = s;code = 115
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = s;code = 115
char = p;code = 112
char = l;code = 108
char = a;code = 97
char = y;code = 121
char = ;code = 32
char = t;code = 116
char = e;code = 101
char = m;code = 109
char = p;code = 112
char = o;code = 111
char = r;code = 114
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = p;code = 112
char = o;code = 111
char = l;code = 108
char = y;code = 121
char = e;code = 101
char = t;code = 116
char = h;code = 104
char = i;code = 105
char = s;code = 115
char = m;code = 109
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 = a;code = 97
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = g;code = 103
char = e;code = 101
char = -;code = 45
char = d;code = 100
char = r;code = 114
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = v;code = 118
char = i;code = 105
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 = l;code = 108
char = a;code = 97
char = b;code = 98
char = o;code = 111
char = r;code = 114
char = .;code = 46
char = ;code = 32
char = Y;code = 89
char = o;code = 111
char = u;code = 117
char = n;code = 110
char = g;code = 103
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = a;code = 97
char = d;code = 100
char = u;code = 117
char = l;code = 108
char = t;code = 116
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = m;code = 109
char = a;code = 97
char = i;code = 105
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 = h;code = 104
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = e;code = 101
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = v;code = 118
char = e;code = 101
char = l;code = 108
char = o;code = 111
char = p;code = 112
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = b;code = 98
char = r;code = 114
char = o;code = 111
char = o;code = 111
char = d;code = 100
char = ,;code = 44
char = ;code = 32
char = w;code = 119
char = h;code = 104
char = i;code = 105
char = l;code = 108
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = l;code = 108
char = d;code = 100
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = a;code = 97
char = d;code = 100
char = u;code = 117
char = l;code = 108
char = t;code = 116
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = a;code = 97
char = g;code = 103
char = e;code = 101
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = p;code = 112
char = o;code = 111
char = l;code = 108
char = l;code = 108
char = e;code = 101
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 = e;code = 101
char = c;code = 99
char = t;code = 116
char = a;code = 97
char = r;code = 114
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = f;code = 102
char = e;code = 101
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 = o;code = 111
char = l;code = 108
char = o;code = 111
char = n;code = 110
char = y;code = 121
char = .;code = 46
char = ;code = 32
char = A;code = 65
char = s;code = 115
char = ;code = 32
char = h;code = 104
char = o;code = 111
char = n;code = 110
char = e;code = 101
char = y;code = 121
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = t;code = 116
char = u;code = 117
char = r;code = 114
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 = t;code = 116
char = y;code = 121
char = p;code = 112
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 = a;code = 97
char = t;code = 116
char = h;code = 104
char = o;code = 111
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = y;code = 121
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = s;code = 115
char = o;code = 111
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 = .;code = 46
char = ;code = 32
char = A;code = 65
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = c;code = 99
char = h;code = 104
char = ,;code = 44
char = ;code = 32
char = p;code = 112
char = a;code = 97
char = t;code = 116
char = h;code = 104
char = o;code = 111
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = s;code = 115
char = u;code = 117
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = y;code = 121
char = ;code = 32
char = a;code = 97
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = r;code = 114
char = o;code = 111
char = u;code = 117
char = g;code = 103
char = h;code = 104
char = o;code = 111
char = u;code = 117
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = i;code = 105
char = r;code = 114
char = ;code = 32
char = l;code = 108
char = i;code = 105
char = f;code = 102
char = e;code = 101
char = s;code = 115
char = p;code = 112
char = a;code = 97
char = n;code = 110
char = .;code = 46
char = ;code = 32
char = W;code = 87
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = v;code = 118
char = i;code = 105
char = d;code = 100
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = f;code = 102
char = i;code = 105
char = r;code = 114
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = r;code = 114
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = e;code = 101
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 = o;code = 111
char = n;code = 110
char = e;code = 101
char = y;code = 121
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = n;code = 110
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = m;code = 109
char = m;code = 109
char = u;code = 117
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = g;code = 103
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = r;code = 114
char = o;code = 111
char = s;code = 115
char = s;code = 115
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = v;code = 118
char = e;code = 101
char = l;code = 108
char = o;code = 111
char = p;code = 112
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = a;code = 97
char = g;code = 103
char = e;code = 101
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = <;code = 60
char = b;code = 98
char = >;code = 62
char = W;code = 87
char = E;code = 69
char = ;code = 32
char = I;code = 73
char = N;code = 78
char = V;code = 86
char = E;code = 69
char = S;code = 83
char = T;code = 84
char = I;code = 73
char = G;code = 71
char = A;code = 65
char = T;code = 84
char = E;code = 69
char = D;code = 68
char = ;code = 32
char = I;code = 73
char = M;code = 77
char = M;code = 77
char = U;code = 85
char = N;code = 78
char = E;code = 69
char = ;code = 32
char = S;code = 83
char = T;code = 84
char = R;code = 82
char = E;code = 69
char = N;code = 78
char = G;code = 71
char = T;code = 84
char = H;code = 72
char = ;code = 32
char = A;code = 65
char = C;code = 67
char = R;code = 82
char = O;code = 79
char = S;code = 83
char = S;code = 83
char = ;code = 32
char = F;code = 70
char = O;code = 79
char = U;code = 85
char = R;code = 82
char = ;code = 32
char = D;code = 68
char = E;code = 69
char = V;code = 86
char = E;code = 69
char = L;code = 76
char = O;code = 79
char = P;code = 80
char = M;code = 77
char = E;code = 69
char = N;code = 78
char = T;code = 84
char = A;code = 65
char = L;code = 76
char = ;code = 32
char = S;code = 83
char = T;code = 84
char = A;code = 65
char = G;code = 71
char = E;code = 69
char = S;code = 83
char = :;code = 58
char = ;code = 32
char = <;code = 60
char = /;code = 47
char = b;code = 98
char = >;code = 62
char = ;code = 32
char = l;code = 108
char = a;code = 97
char = r;code = 114
char = v;code = 118
char = a;code = 97
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = p;code = 112
char = u;code = 117
char = p;code = 112
char = a;code = 97
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = n;code = 110
char = u;code = 117
char = r;code = 114
char = s;code = 115
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = 1;code = 49
char = -;code = 45
char = d;code = 100
char = a;code = 97
char = y;code = 121
char = -;code = 45
char = o;code = 111
char = l;code = 108
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = d;code = 100
char = u;code = 117
char = l;code = 108
char = t;code = 116
char = s;code = 115
char = );code = 41
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = a;code = 97
char = g;code = 103
char = e;code = 101
char = r;code = 114
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = 2;code = 50
char = 2;code = 50
char = -;code = 45
char = 3;code = 51
char = 0;code = 48
char = ;code = 32
char = d;code = 100
char = a;code = 97
char = y;code = 121
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = l;code = 108
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = d;code = 100
char = u;code = 117
char = l;code = 108
char = t;code = 116
char = s;code = 115
char = );code = 41
char = .;code = 46
char = ;code = 32
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = >;code = 62
char = T;code = 84
char = H;code = 72
char = E;code = 69
char = ;code = 32
char = I;code = 73
char = M;code = 77
char = M;code = 77
char = U;code = 85
char = N;code = 78
char = E;code = 69
char = ;code = 32
char = S;code = 83
char = T;code = 84
char = R;code = 82
char = E;code = 69
char = N;code = 78
char = G;code = 71
char = T;code = 84
char = H;code = 72
char = ;code = 32
char = O;code = 79
char = F;code = 70
char = ;code = 32
char = H;code = 72
char = O;code = 79
char = N;code = 78
char = E;code = 69
char = Y;code = 89
char = ;code = 32
char = B;code = 66
char = E;code = 69
char = E;code = 69
char = S;code = 83
char = ;code = 32
char = W;code = 87
char = A;code = 65
char = S;code = 83
char = ;code = 32
char = Q;code = 81
char = U;code = 85
char = A;code = 65
char = N;code = 78
char = T;code = 84
char = I;code = 73
char = F;code = 70
char = I;code = 73
char = E;code = 69
char = D;code = 68
char = ;code = 32
char = U;code = 85
char = S;code = 83
char = I;code = 73
char = N;code = 78
char = G;code = 71
char = ;code = 32
char = S;code = 83
char = T;code = 84
char = A;code = 65
char = N;code = 78
char = D;code = 68
char = A;code = 65
char = R;code = 82
char = D;code = 68
char = ;code = 32
char = I;code = 73
char = M;code = 77
char = M;code = 77
char = U;code = 85
char = N;code = 78
char = O;code = 79
char = C;code = 67
char = O;code = 79
char = M;code = 77
char = P;code = 80
char = E;code = 69
char = T;code = 84
char = E;code = 69
char = N;code = 78
char = C;code = 67
char = E;code = 69
char = ;code = 32
char = A;code = 65
char = S;code = 83
char = S;code = 83
char = A;code = 65
char = Y;code = 89
char = S;code = 83
char = :;code = 58
char = ;code = 32
char = <;code = 60
char = /;code = 47
char = b;code = 98
char = >;code = 62
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = t;code = 116
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = h;code = 104
char = e;code = 101
char = m;code = 109
char = o;code = 111
char = c;code = 99
char = y;code = 121
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = u;code = 117
char = n;code = 110
char = t;code = 116
char = ,;code = 44
char = ;code = 32
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = a;code = 97
char = p;code = 112
char = s;code = 115
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 = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = p;code = 112
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = f;code = 102
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = b;code = 98
char = o;code = 111
char = d;code = 100
char = y;code = 121
char = ;code = 32
char = q;code = 113
char = u;code = 117
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = i;code = 105
char = f;code = 102
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ,;code = 44
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 = e;code = 101
char = n;code = 110
char = o;code = 111
char = l;code = 108
char = o;code = 111
char = x;code = 120
char = i;code = 105
char = d;code = 100
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = .;code = 46
char = ;code = 32
char = L;code = 76
char = a;code = 97
char = r;code = 114
char = v;code = 118
char = a;code = 97
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = p;code = 112
char = u;code = 117
char = p;code = 112
char = a;code = 97
char = e;code = 101
char = ;code = 32
char = h;code = 104
char = a;code = 97
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = h;code = 104
char = i;code = 105
char = g;code = 103
char = h;code = 104
char = e;code = 101
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = t;code = 116
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = h;code = 104
char = e;code = 101
char = m;code = 109
char = o;code = 111
char = c;code = 99
char = y;code = 121
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = u;code = 117
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 = l;code = 108
char = e;code = 101
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 = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = n;code = 110
char = o;code = 111
char = ;code = 32
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char = n;code = 110
char = t;code = 116
char = l;code = 108
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char = ;code = 32
char = f;code = 102
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char = n;code = 110
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char = t;code = 116
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char = d;code = 100
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char = o;code = 111
char = n;code = 110
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result sql = Honey bees (Apis mellifera) are of vital economic and ecological importance. These eusocial animals display temporal polyethism, which is an age-driven division of labor. Younger adult bees remain in the hive and tend to developing brood, while older adult bees forage for pollen and nectar to feed the colony. As honey bees mature, the types of pathogens they experience also change. As such, pathogen pressure may affect bees differently throughout their lifespan. We provide the first direct tests of honey bee innate immune strength across developmental stages. WE INVESTIGATED IMMUNE STRENGTH ACROSS FOUR DEVELOPMENTAL STAGES: larvae, pupae, nurses (1-day-old adults), and foragers (22-30 days old adults).
THE IMMUNE STRENGTH OF HONEY BEES WAS QUANTIFIED USING STANDARD IMMUNOCOMPETENCE ASSAYS: total hemocyte count, encapsulation response, fat body quantification, and phenoloxidase activity. Larvae and pupae had the highest total hemocyte counts, while there was no difference in encapsulation response between developmental stages. Nurses had more fat body mass than foragers, while phenoloxidase activity increased directly with honey bee development. Immune strength was most vigorous in older, foraging bees and weakest in young bees. Importantly, we found that adult honey bees do not abandon cellular immunocompetence as has recently been proposed. Induced shifts in behavioral roles may increase a colony's susceptibility to disease if nurses begin foraging activity prematurely.
Publication: J. Insect Physiol. 2008 Oct-Nov ;54(10-11)::1392-9. :doi: 10.1016/j.jinsphys.2008.07.016.
Publication Date: 2008 Oct-Nov
Study Author(s): Wilson-Rich, Noah;Dres, Stephanie T;Starks, Philip T;
Institution: Department of Biology, Dana Laboratories, Tufts University, Medford, MA 02155, USA. [email protected]
Shortcut link to this study:
Publication Date: 2008 Oct-Nov
Study Author(s): Wilson-Rich, Noah;Dres, Stephanie T;Starks, Philip T;
Institution: Department of Biology, Dana Laboratories, Tufts University, Medford, MA 02155, USA. [email protected]
Shortcut link to this study:
Honey bees (Apis mellifera) are of vital economic and ecological importance. These eusocial animals display temporal polyethism, which is an age-driven division of labor. Younger adult bees remain in the hive and tend to developing brood, while older adult bees forage for pollen and nectar to feed the colony. As honey bees mature, the types of pathogens they experience also change. As such, pathogen pressure may affect bees differently throughout their lifespan. We provide the first direct tests of honey bee innate immune strength across developmental stages. WE INVESTIGATED IMMUNE STRENGTH ACROSS FOUR DEVELOPMENTAL STAGES: larvae, pupae, nurses (1-day-old adults), and foragers (22-30 days old adults).
THE IMMUNE STRENGTH OF HONEY BEES WAS QUANTIFIED USING STANDARD IMMUNOCOMPETENCE ASSAYS: total hemocyte count, encapsulation response, fat body quantification, and phenoloxidase activity. Larvae and pupae had the highest total hemocyte counts, while there was no difference in encapsulation response between developmental stages. Nurses had more fat body mass than foragers, while phenoloxidase activity increased directly with honey bee development. Immune strength was most vigorous in older, foraging bees and weakest in young bees. Importantly, we found that adult honey bees do not abandon cellular immunocompetence as has recently been proposed. Induced shifts in behavioral roles may increase a colony's susceptibility to disease if nurses begin foraging activity prematurely.
THE IMMUNE STRENGTH OF HONEY BEES WAS QUANTIFIED USING STANDARD IMMUNOCOMPETENCE ASSAYS: total hemocyte count, encapsulation response, fat body quantification, and phenoloxidase activity. Larvae and pupae had the highest total hemocyte counts, while there was no difference in encapsulation response between developmental stages. Nurses had more fat body mass than foragers, while phenoloxidase activity increased directly with honey bee development. Immune strength was most vigorous in older, foraging bees and weakest in young bees. Importantly, we found that adult honey bees do not abandon cellular immunocompetence as has recently been proposed. Induced shifts in behavioral roles may increase a colony's susceptibility to disease if nurses begin foraging activity prematurely.
PMID: 18761014
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