Mycobacterium tuberculosis nitrogen assimilation and host colonization require aspartate.

Mycobacterium tuberculosis nitrogen assimilation and host colonization require aspartate.
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DOI:
10.1038/nchembio.1355
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发表时间:
2013-11
影响因子:
14.8
通讯作者:
Neyrolles, Olivier
Neyrolles, Olivier
中科院分区:
生物学1区
文献类型:
--
作者:
Gouzy, Alexandre;Larrouy-Maumus, Gerald;Wu, Ting-Di;Peixoto, Antonio;Levillain, Florence;Lugo-Villarino, Geanncarlo;Guerquin-Kern, Jean-Luc;de Carvalho, Luiz Pedro Sorio;Poquet, Yannick;Neyrolles, Olivier

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Here we identify the amino acid transporter AnsP1 as the unique aspartate importer in the human pathogen Mycobacterium tuberculosis. Metabolomic analysis of a mutant inactivated in AnsP1 revealed the transporter is essential for M. tuberculosis to assimilate nitrogen from aspartate. Virulence of the AnsP1 mutant is impaired in vivo, revealing aspartate is a primary nitrogen source required for host colonization by the tuberculosis bacillus.
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