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Indolepyruvate Pathway for Indole-3-Acetic Acid Biosynthesis in Bradyrhizobium elkanii [PDF]
Plant and Cell Physiology, 1996 Indole-3-acetaldehyde (IAAld) was detected in the culture supernatant of Bradyrhizobium elkanii. Deuterium-labelled L-tryptophan (Trp) was incorporated into IAAld and indole-3-acetic acid (IAA), suggesting that B. elkanii produces IAA via IAAld from Trp. In B. elkanii cell suspension, indole-3-pyruvic acid (IPyA) was converted to IAAld, and exogenously
Kiwamu Minamisawa +2 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.
Mariangela Hungria da Cunha
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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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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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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
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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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Plant and Soil, 1993
The dominant allele Rj4 in soybean interdicts or restricts the nodulation of plants by certain strains of bacteria, most of which are classified as Bradyrhizobium elkanii, while the recessive allele permits normal nodulation with the same strains. The near isogenic lines BARC-2 (Rj4) and BARC-3 (rj4) are calculated to be 99.95% identical in their ...
T. E. Devine +2 more
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The dominant allele Rj4 in soybean interdicts or restricts the nodulation of plants by certain strains of bacteria, most of which are classified as Bradyrhizobium elkanii, while the recessive allele permits normal nodulation with the same strains. The near isogenic lines BARC-2 (Rj4) and BARC-3 (rj4) are calculated to be 99.95% identical in their ...
T. E. Devine +2 more
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The Role of Rhizobitoxine in Nodulation by Bradyrhizobium elkanii
2000K. Minamisawa +5 more
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