Iki, Taichiro Evidence for functional differentiation of duplicated nifH genes in Azorhizobium caulinodans. [electronic resource] - FEMS microbiology letters Sep 2007 - 173-9 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0378-1097 Standard No.: 10.1111/j.1574-6968.2007.00823.x doi Subjects--Topical Terms: Azorhizobium caulinodans--enzymologyGenes, DuplicateNitrogen Fixation--physiologyOxidoreductases--genetics