Article
Legumes regulate Rhizobium bacteroid development and persistence by the supply of branched-chain amino acids.
Proceedings of the National Academy of Sciences of the United States of America - 28 Jul 2009
Prell J, White J P, Bourdes A, Bunnewell S, Bongaerts R J, Poole P S
Abstract excerpt
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...
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