采采蝇专性共生菌沃尔巴克氏体通过提供外源性营养来改变基因表达和种群密度。
The tsetse fly obligate mutualist Wigglesworthia morsitans alters gene expression and population density via exogenous nutrient provisioning.
机构信息
Department of Biology, West Virginia University, Morgantown, West Virginia, USA.
出版信息
Appl Environ Microbiol. 2012 Nov;78(21):7792-7. doi: 10.1128/AEM.02052-12. Epub 2012 Aug 17.
Abstract
The obligate mutualist Wigglesworthia morsitans provisions nutrients to tsetse flies. The symbiont's response to thiamine (B(1)) supplementation of blood meals, specifically towards the regulation of thiamine biosynthesis and population density, is described. Despite an ancient symbiosis and associated genome tailoring, Wigglesworthia responds to nutrient availability, potentially accommodating a decreased need.
摘要
专性互利共生菌莫氏摩根菌为采采蝇提供营养。本文描述了共生菌对血餐中硫胺素（B(1)）补充的反应，特别是对硫胺素生物合成和种群密度的调节。尽管存在古老的共生关系和相关的基因组剪裁，Wigglesworthia 仍能对营养可用性做出反应，可能会降低需求。
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