Abstract
Thirty-four strains of Bradyrhizobium japonicum within serogroup 110 were examined for phenotypic diversity. The strains differed in their abilities to nodulate and fix dinitrogen with Glycine max (L.) Merr. cv. Williams. Thirteen strains expressed uptake hydrogenase activity when induced as free-living cultures in the presence of 2% hydrogen and oxygen. Six bacteriophage susceptibility reactions were observed. Each of the strains produced either a large, mucoid or a small, dry colony morphology, but colony type was not related to effectiveness for nitrogen fixation.
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- DATE R. A., DECKER A. M. MINIMAL ANTIGENIC CONSTITUTION OF 28 STRAINS OF RHIZOBIUM JAPONICUM. Can J Microbiol. 1965 Feb;11:1–8. doi: 10.1139/m65-001. [DOI] [PubMed] [Google Scholar]
- Fuhrmann J. Symbiotic effectiveness of indigenous soybean bradyrhizobia as related to serological, morphological, rhizobitoxine, and hydrogenase phenotypes. Appl Environ Microbiol. 1990 Jan;56(1):224–229. doi: 10.1128/aem.56.1.224-229.1990. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Moshiri F., Stults L., Novak P., Maier R. J. Nif- Hup- mutants of Rhizobium japonicum. J Bacteriol. 1983 Aug;155(2):926–929. doi: 10.1128/jb.155.2.926-929.1983. [DOI] [PMC free article] [PubMed] [Google Scholar]
- van Berkum P. Evidence for a Third Uptake Hydrogenase Phenotype among the Soybean Bradyrhizobia. Appl Environ Microbiol. 1990 Dec;56(12):3835–3841. doi: 10.1128/aem.56.12.3835-3841.1990. [DOI] [PMC free article] [PubMed] [Google Scholar]
- van Berkum P. Expression of uptake hydrogenase and hydrogen oxidation during heterotrophic growth of Bradyrhizobium japonicum. J Bacteriol. 1987 Oct;169(10):4565–4569. doi: 10.1128/jb.169.10.4565-4569.1987. [DOI] [PMC free article] [PubMed] [Google Scholar]
- van Berkum P., Sloger C. Immediate acetylene reduction by excised grass roots not previously preincubated at low oxygen tensions. Plant Physiol. 1979 Nov;64(5):739–743. doi: 10.1104/pp.64.5.739. [DOI] [PMC free article] [PubMed] [Google Scholar]