NDLI: An antimicrobial peptide essential for bacterial survival in the nitrogen-fixing symbiosis

Content Provider	PubMed Central
Author	Kim, Minsoo Chen, Yuhui Xi, Jiejun Waters, Christopher Chen, Rujin Wang, Dong
Abstract	Legumes form a root structure, the nodule, in which nitrogen-fixing bacteria (rhizobia) reside. In this symbiotic relationship, the bacteria provide nitrogen to the plant and in return obtain fixed carbon from the host. Once released into the cytoplasm of the host cell, the rhizobia undergo a remarkable transformation, including genome amplification and cell elongation, before reaching the differentiated nitrogen-fixing state. Small plant-derived peptides with antimicrobial activities have been known to play critical roles in the differentiation of rhizobia in legumes that form indeterminate nodules. By studying the Medicago truncatula dnf4 mutant, we discovered that an antimicrobial peptide, NCR211, plays a critical role in the survival and function of differentiated rhizobia in host cells for successful symbiotic nitrogen fixation.
Related Links	http://dx.doi.org/10.1073/pnas.1500123112
Ending Page	15243
Page Count	6
Starting Page	15238
File Format	PDF
ISSN	00278424
e-ISSN	10916490
Journal	Proceedings of the National Academy of Sciences of the United States of America
Issue Number	49
Volume Number	112
Language	English
Publisher	National Academy of Sciences
Publisher Date	2015-12-08
Access Restriction	Open
Rights Holder	National Academy of Sciences
Subject Keyword	General Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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An antimicrobial peptide essential for bacterial survival in the nitrogen-fixing symbiosis