Host-parasite genotypic interactions in the honey bee: the dynamics of diversity.
Host-parasite genotypic interactions in the honey bee: the dynamics of diversity.
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DOI：
10.1002/ece3.599
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发表时间：
2013-07
影响因子：
2.6
通讯作者：
Hughes, William O. H.
中科院分区：
文献类型：
--
作者：
Evison, Sophie E. F.;Fazio, Geraldine;Chappell, Paula;Foley, Kirsten;Jensen, Annette B.;Hughes, William O. H.
关键词：
寄生虫被认为是形成宿主遗传变异的主要驱动力，并被认为是维持有性生殖的重要原因。社会性昆虫中发生多配偶（一妻多夫）的一个主要假设是，通过这种行为在群体内产生的遗传多样性促进了抗病性。这种好处可能是特别显着的，当殖民地暴露于多个物种和菌株的寄生虫，但宿主寄生虫基因型的相互作用在社会昆虫是鲜为人知的。我们调查了这一点，使用蜜蜂，这是自然的一妻多夫制，因此产生遗传多样性的殖民地含有多个基因型（父系），这也是已知的主机多种菌株的各种寄生虫物种。我们发现，宿主基因型显着不同的专性真菌寄生虫，导致白垩病的不同菌株的抗性，而基因型变异的兼性真菌寄生虫，导致石幼虫病的抗性不太明显。我们的研究结果表明，抗病性的遗传变异部分取决于寄生虫的基因型，以及物种，后者最有可能与寄生虫生活史和宿主-寄生虫共同进化的差异。我们的研究结果表明，来自遗传多样性寄生虫的选择压力可能是一妻多夫进化的重要驱动力，这是一种在社会昆虫中产生显著遗传多样性的机制。
Parasites are thought to be a major driving force shaping genetic variation in their host, and are suggested to be a significant reason for the maintenance of sexual reproduction. A leading hypothesis for the occurrence of multiple mating (polyandry) in social insects is that the genetic diversity generated within-colonies through this behavior promotes disease resistance. This benefit is likely to be particularly significant when colonies are exposed to multiple species and strains of parasites, but host–parasite genotypic interactions in social insects are little known. We investigated this using honey bees, which are naturally polyandrous and consequently produce genetically diverse colonies containing multiple genotypes (patrilines), and which are also known to host multiple strains of various parasite species. We found that host genotypes differed significantly in their resistance to different strains of the obligate fungal parasite that causes chalkbrood disease, while genotypic variation in resistance to the facultative fungal parasite that causes stonebrood disease was less pronounced. Our results show that genetic variation in disease resistance depends in part on the parasite genotype, as well as species, with the latter most likely relating to differences in parasite life history and host–parasite coevolution. Our results suggest that the selection pressure from genetically diverse parasites might be an important driving force in the evolution of polyandry, a mechanism that generates significant genetic diversity in social insects.
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影响因子：
45.3
作者：
Bedard, Philippe L.;Krzyzanowska, Monika K.;Tannock, Ian F.
通讯作者：
Tannock, Ian F.
DOI：
10.1098/rspb.1994.0133
发表时间：
1994-10-22
影响因子：
4.7
作者：
ESTOUP, A;SOLIGNAC, M;CORNUET, JM
通讯作者：
CORNUET, JM
影响因子：
3.7
作者：
Evison, Sophie E. F.;Roberts, Katherine E.;Hughes, William O. H.
通讯作者：
Hughes, William O. H.
影响因子：
64.8
作者：
Baer, Boris;Armitage, Sophie A. O.;Boomsma, Jacobus J.
通讯作者：
Boomsma, Jacobus J.
影响因子：
2.6
作者：
Chung, Erin;Petit, Elsa;Antonovics, Janis;Pedersen, Amy B.;Hood, Michael E.
通讯作者：
Hood, Michael E.