Grain aphid clones vary in frost resistance, but this trait is not influenced by facultative endosymbionts
Grain aphid clones vary in frost resistance, but this trait is not influenced by facultative endosymbionts
复制标题
谷物蚜虫克隆的抗冻性各不相同,但这一性状不受兼性内共生体的影响
DOI:
10.1111/j.1365-2311.2011.01321.x
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发表时间:
2011
影响因子:
2.2
通讯作者:
LUKASIK P
中科院分区:
文献类型:
--
作者:
LUKASIK P
1. Facultative endosymbiotic bacteria of insects are known to affect life‐history traits of their hosts, and can provide important fitness benefits under certain environmental conditions. While several distinct endosymbiont‐induced effects have been reported, there is no data on whether heritable facultative endosymbionts in any species affect their hosts' performance at low temperatures, something that could have a major effect on insect physiology and survival, and thus population structure and distribution.2. The original facultative endosymbionts were experimentally removed from five clonal genotypes of the grain aphid,Sitobion avenaeFab., which were then exposed to frost.3. Aphid genotypes differed considerably in survival following the exposure and in fecundity of the survivors. However, the presence of the facultative symbionts had no overall effect on the studied traits.4. The results suggest that the facultative symbionts have limited effects on the cold hardiness of their grain aphid hosts.
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DOI:
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发表时间:
1992
期刊:
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