1887

Abstract

Fast-growing, acid-producing soybean rhizobia were examined to determine their biochemical relatedness to each other, to typical slow-growing strains, and to other fast-growing species of . Although both the fast- and slow-growing soybean rhizobia were positive for catalase, urease, oxidase, nitrate reductase, and penicillinase, the fast-growing strains grouped with other fast-growing species of in that they tolerated 2% NaCl, were capable of growth at pH 9.5, utilized a large variety of carbohydrates (notably disaccharides), and produced serum zones in litmus milk. In addition, these fast-growing strains were similar to other fast-growing species of in that they produced appreciable levels of β-galactosidase and nicotinamide adenine dinucleotide phosphate-linked 6-phosphogluconate dehydrogenase but had no detectable hydrogenase activity. The fast-growing soybean rhizobia share symbiotic host specificity with , but appear to be related biochemically to the other fast-growing species of .

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/content/journal/ijsem/10.1099/00207713-33-4-716
1983-10-01
2019-10-15
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http://instance.metastore.ingenta.com/content/journal/ijsem/10.1099/00207713-33-4-716
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