Adenotrophic viviparity in tsetse flies: potential for population control and as an insect model for lactation.
Adenotrophic viviparity in tsetse flies: potential for population control and as an insect model for lactation.
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DOI：
10.1146/annurev-ento-010814-020834
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发表时间：
2015-01-07
影响因子：
23.8
通讯作者：
Aksoy S
中科院分区：
文献类型：
--
作者：
Benoit JB;Attardo GM;Baumann AA;Michalkova V;Aksoy S
采采蝇（舌蝇属）是非洲锥虫病的传播媒介，其独特的生殖生物学特征是腺营养胎生（母体通过腺分泌物滋养后代，然后活产）。这种特性在昆虫中很少进化，需要独特的生殖机制。舌蝇繁殖的一个关键事件涉及哺乳期和非哺乳期（干期）之间的过渡。增加的脂肪分解，营养物质转移到乳腺，以及牛奶特异性蛋白质的产生是哺乳的特征，哺乳在后代出生时结束，随后是一段时间的退化。干期与后代的胚胎发生相一致，在此期间脂质储备为下一轮哺乳做准备。专性细菌共生体对采采蝇的繁殖至关重要，可能为哺乳和/或后代发育的代谢过程提供所需的B族维生素。在这里，我们描述了利用转录组学、生理分析和基于RNA干扰的功能分析来了解采采蝇腺营养胎生的不同组成部分的发现。
Tsetse flies (Glossina spp.), vectors of African trypanosomes, are distinguished by their specialized reproductive biology, defined by adenotrophic viviparity (maternal nourishment of progeny by glandular secretions followed by live birth). This trait has evolved infrequently among insects and requires unique reproductive mechanisms. A key event in Glossina reproduction involves the transition between periods of lactation and nonlactation (dry periods). Increased lipolysis, nutrient transfer to the milk gland, and milk-specific protein production characterize lactation, which terminates at the birth of the progeny and is followed by a period of involution. The dry stage coincides with embryogenesis of the progeny, during which lipid reserves accumulate in preparation for the next round of lactation. The obligate bacterial symbiont Wigglesworthia glossinidia is critical to tsetse reproduction and likely provides B vitamins required for metabolic processes underlying lactation and/or progeny development. Here we describe findings that utilized transcriptomics, physiological assays, and RNA interference–based functional analysis to understand different components of adenotrophic viviparity in tsetse flies.
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影响因子：
3.8
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