Bradyrhizobium japonicum mutants exhibiting superior soybean nod

Details Bradyrhizobium japonicum mutants exhibiting superior soybean nod Bradyrhizobium japonicum mutants exhibiting superior soybean nod

1987-03-12

1989-09-05

Warren, Charles F.

Chemistry: molecular biology and microbiology

Micro-organism, per se ; compositions thereof; proces of...

Bacteria or actinomycetales; media therefor

4352523, 4351721, 435878, 71 7, C12R 141, C12N 1500, C05F 1108

Patent

active

048638668

ABSTRACT:
Mutant strains of Bradyrhizobium japonicum having enhanced nodulation properties were created by transposon mutagenesis of known Bradyrhizobium japonicum strain I-110. The mutant strains grow well in a yeast-extract mannitol medium, produce extracellular polysaccharides at a level greater than the parent strain under appropriate conditions, are capable of growth on a nutirent medium containing a normally inhibitory amount of succinic acid, and contain a 21 Kdalton protein absent from the parent strain. Such strains can be used to inoculate soil in which soybean plants are grown, resulting in improved plant yields.

REFERENCES:
patent: 4720461 (1988-01-01), Urban
Cho et al. 1985, Kor. J. Appl. Microbiol. Bioeng. 13(1): 79-85.
Kuykendall et al., 1978, Appl. Env. Microbiol. 36(6): 915-919.

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