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The Epigenetic Regulator G9a Mediates Tolerance to RNA Virus Infection in Drosophila
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نویسنده
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merkling s.h. ,bronkhorst a.w. ,kramer j.m. ,overheul g.j. ,schenck a. ,van rij r.p.
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منبع
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plos pathogens - 2015 - دوره : 11 - شماره : 4
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چکیده
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Little is known about the tolerance mechanisms that reduce the negative effects of microbial infection on host fitness. here,we demonstrate that the histone h3 lysine 9 methyltransferase g9a regulates tolerance to virus infection by shaping the response of the evolutionary conserved jak-stat pathway in drosophila. g9a-deficient mutants are more sensitive to rna virus infection and succumb faster to infection than wild-type controls,which was associated with strongly increased jak-stat dependent responses,but not with major differences in viral load. genetic experiments indicate that hyperactivated jak-stat responses are associated with early lethality in virus-infected flies. our results identify an essential epigenetic mechanism underlying tolerance to virus infection. © 2015 merkling et al.
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آدرس
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department of medical microbiology,radboud institute for molecular life sciences,radboud university medical center,nijmegen, Netherlands, department of medical microbiology,radboud institute for molecular life sciences,radboud university medical center,nijmegen, Netherlands, department of human genetics,donders institute for brain,cognition and behaviour,radboud university medical center,nijmegen,netherlands,department of physiology and pharmacology and department of biology,university of western ontario,london, Canada, department of medical microbiology,radboud institute for molecular life sciences,radboud university medical center,nijmegen, Netherlands, department of human genetics,donders institute for brain,cognition and behaviour,radboud university medical center,nijmegen, Netherlands, department of medical microbiology,radboud institute for molecular life sciences,radboud university medical center,nijmegen, Netherlands
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Authors
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