Wolbachia enhance Drosophila stem cell proliferation and target the germline stem cell niche.
Wolbachia enhance Drosophila stem cell proliferation and target the germline stem cell niche.
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DOI:
10.1126/science.1209609
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发表时间:
2011-11-18
期刊:
影响因子:
--
通讯作者:
Frydman HM
中科院分区:
文献类型:
--
作者:
Fast EM;Toomey ME;Panaram K;Desjardins D;Kolaczyk ED;Frydman HM
Wolbachia are widespread maternally-transmitted intracellular bacteria that infect most insect species and are able to alter the reproduction of innumerous hosts. The cellular bases of these alterations remain largely unknown. Here we report that Drosophila mauritiana infected with a native Wolbachia wMau strain produces about four times more eggs than the non-infected counterpart. Wolbachia infection leads to an increase in the mitotic activity of germline stem cells (GSCs) as well as a decrease in programmed cell death in the germarium. Our results suggest that upregulation of GSCs division is mediated by a tropism of Wolbachia for the germline stem cell niche (GSCN), the cellular microenvironment that supports GSCs.
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