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Evolution of rhizobial siderophore utilization via accessory xeno-siderophore receptors and flexible intake machinery for self-produced siderophores. [PDF]
ISME JSi YW +7 more
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Growth and Competitive Infection Behaviors of Bradyrhizobium japonicum and Bradyrhizobium elkanii at Different Temperaturesopenaire
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Repeated sequence RSa is diagnostic for Bradyrhizobium japonicum and Bradyrhizobium elkanii
Biology and Fertility of Soils, 1996The genome of Bradyrhizobium japonicum and B. elkanii contains multiple copies of the repeated DNA sequence RSα. A collection of 18 B. japonicum, 4 B. elkanii and 72 other bacterial strains was screened by polymerase chain reaction (PCR) using a pair of primers specific for RSα. Only strains of B. japonicum and B.
Hartmann, A. +3 more
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Bradyrhizobium elkanii Rhizobitoxine Mutants form Developmentally Arrested Nodules on Mungbean
1998Bradyrhizobium elkanii forms symbiotic nitrogen-fixing nodules with a broad range of legumes including soybeans and mungbeans. In addition to its mutualistic interaction with legumes, B. elkanii synthesizes a phytotoxin, rhizobitoxine, in culture and in the nodule that causes foliar chlorosis on some legume hosts.
S. Duodu +3 more
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Canadian Journal of Microbiology, 1992
Fourteen randomly selected clones from cosmid libraries of Bradyrhizobium were used as hybridization probes in Southern blot analysis. Seven of the probes used were from strain USDA 83, a group II strain, and the other seven were from strain I-110, a group Ia strain. The 30 strains examined included 9 strains of Rj4-incompatible soybean bradyrhizobia.
L. D. Kuykendall +3 more
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Fourteen randomly selected clones from cosmid libraries of Bradyrhizobium were used as hybridization probes in Southern blot analysis. Seven of the probes used were from strain USDA 83, a group II strain, and the other seven were from strain I-110, a group Ia strain. The 30 strains examined included 9 strains of Rj4-incompatible soybean bradyrhizobia.
L. D. Kuykendall +3 more
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Nitrogen fixation capacity and nodule occupancy by Bradyrhizobium japonicum and B. elkanii strains
Biology and Fertility of Soils, 1998In a previous study soybean Bradyrhizobium strains, used in Brazilian studies and inoculants over the last 30 years, and strains adapted to the Brazilian Cerrados, a region frequently submitted to environmental and nutritional stresses, were analyzed for 32 morphological and physiological parameters in vivo and in vitro.
M. Hungria +3 more
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Bioscience, Biotechnology, and Biochemistry, 2000
We isolated 11 low-indole-3-acetic acid (IAA)-producing mutants of Bradyrhizobium elkanii by Tn5 mutagenesis. The amount of IAA produced by each mutant was 2.2-13.6% of that of the wild-type. It was found by resting cell reactions that the biosynthetic step to convert indole-3-pyruvic acid to indole-3-acetaldehyde was blocked in all the mutants.
K, Yagi +7 more
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We isolated 11 low-indole-3-acetic acid (IAA)-producing mutants of Bradyrhizobium elkanii by Tn5 mutagenesis. The amount of IAA produced by each mutant was 2.2-13.6% of that of the wild-type. It was found by resting cell reactions that the biosynthetic step to convert indole-3-pyruvic acid to indole-3-acetaldehyde was blocked in all the mutants.
K, Yagi +7 more
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Plant and Soil, 2013
Background and aims Bradyrhizobium japonicum and Bradyrhizobium elkanii dominated soybean nodules in temperate and subtropical regions in Nepal, respectively, in our previous study. The aims of this study were to reveal the effects of temperature on the nodulation dominancy of B. japonicum and B.
Yuta Suzuki +3 more
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Background and aims Bradyrhizobium japonicum and Bradyrhizobium elkanii dominated soybean nodules in temperate and subtropical regions in Nepal, respectively, in our previous study. The aims of this study were to reveal the effects of temperature on the nodulation dominancy of B. japonicum and B.
Yuta Suzuki +3 more
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Establishment of Bradyrhizobium japonicum and B. elkanii strains in a Brazilian Cerrado oxisol
Biology and Fertility of Soils, 2004The competition with established soil populations of Bradyrhizobium able to nodulate soybean has been one of the major constraints to the introduction of more efficient strains in Cerrados soils. The effects of nodulation establishment and persistence of four serologically distinct strains of Bradyrhizobium japonicum (CPAC 15 and CPAC 7, belonging to ...
I�da Carvalho Mendes +2 more
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1993
Rhizobia are typical of Gram-negative bacteria in their production of copious amounts of extracellular polysaccharide (EPS) (see Carlson 1982). For the fast-growing species of Rhizobium, EPS plays a vital role in infection of the host plant, but a similar role for EPSs in the slow-growing rhizobia is not apparent.
John G. Streeter +2 more
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Rhizobia are typical of Gram-negative bacteria in their production of copious amounts of extracellular polysaccharide (EPS) (see Carlson 1982). For the fast-growing species of Rhizobium, EPS plays a vital role in infection of the host plant, but a similar role for EPSs in the slow-growing rhizobia is not apparent.
John G. Streeter +2 more
openaire +1 more source