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Legumes regulate Rhizobium bacteroid development and persistence by the supply of branched-chain amino acids.

Abstract:

One of the largest contributions to biologically available nitrogen comes from the reduction of N(2) to ammonia by rhizobia in symbiosis with legumes. Plants supply dicarboxylic acids as a carbon source to bacteroids, and in return they receive ammonia. However, metabolic exchange must be more complex, because effective N(2) fixation by Rhizobium leguminosarum bv viciae bacteroids requires either one of two broad-specificity amino acid ABC transporters (Aap and Bra). It was proposed that amin...

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Publisher copy:
10.1073/pnas.0903653106

Authors


Bourdes, A More by this author
Bunnewell, S More by this author
Bongaerts, RJ More by this author
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Journal:
Proceedings of the National Academy of Sciences of the United States of America
Volume:
106
Issue:
30
Pages:
12477-12482
Publication date:
2009-07-05
DOI:
EISSN:
1091-6490
ISSN:
0027-8424
URN:
uuid:04135b6a-fe95-4758-911c-afdc91d16146
Source identifiers:
411930
Local pid:
pubs:411930

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