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D-Alanine Metabolism in B. japonicum

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Description

Rhizobium, Bradyrhizobium, Mesorhizobium, Sinorhizobium and Azorhizobium-known as Rhizobia-are Gram-negative, nitrogen-fixing bacteria of agronomic importance because they perform nitrogen-fixing symbiosis with leguminous plants. They are responsible for the world’s largest portion of fixed atmospheric nitrogen. Bradyrhizobium japonicum has been used since 1957 in molecular genetics, physiology, and ecology due to its excellent ability in symbiotic nitrogen fixation. Nodule formation and the subsequent nitrogen-fixation result from a series of interactions controlled by the exchange of molecular signals between symbiotic bacteria and host plants followed by expression of genes from both symbiotic partners. B. japonicum is able to form determinant-type globular nodules and perform nitrogen-fixation on on soybeans (Ref.1 & 2). The cell wall of these Gram-negative bacteria constitutes a multifaceted fabric that [...]

References:

1.Novel avidin-like protein from a root nodule symbiotic bacterium, Bradyrhizobium japonicum.
Nordlund HR, Hytonen VP, Laitinen OH, Kulomaa MS.
J Biol Chem. 2005 Apr 8; 280(14):13250-5. Epub 2005 Jan 28.
2.The complete denitrification pathway of the symbiotic, nitrogen-fixing bacterium Bradyrhizobium japonicum.
Bedmar EJ, Robles EF, Delgado MJ.
Biochem Soc Trans. 2005 Feb; 33(Pt 1):141-4.
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