A Proteomics Approach to Study Soybean and Its Symbiont Bradyrhizobium japonicum –A Review
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Complete Genome Sequence of the Soybean Symbiont Bradyrhizobium japonicum Strain USDA6T
The complete nucleotide sequence of the genome of the soybean symbiont Bradyrhizobium japonicum strain USDA6T was determined. The genome of USDA6T is a single circular chromosome of 9,207,384 bp. The genome size is similar to that of the genome of another soybean symbiont, B. japonicum USDA110 (9,105,828 bp). Comparison of the whole-genome sequences of USDA6T and USDA110 showed colinearity of m...
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Susceptibility of the nitrogen-fixing soybean symbiont Bradyrhizobium japonicum to inducible plant defense metabolites such as phytoalexin and H2O2, was investigated. On the wild-type strain USDA 110 the soybean phytoalexin, glyceollin, showed bacteriostatic activity. Viable bacteria isolated from intact nodules were adapted to glyceollin. H2O2 in physiological concentrations did not affect wil...
متن کاملImpact of glyphosate on the Bradyrhizobium japonicum symbiosis with glyphosate-resistant transgenic soybean: a minireview.
Glyphosate-resistant (GR) soybean [Glycine max (L.) Merr.] expressing an insensitive 5-enolpyruvylshikimic acid-3-phosphate synthase (EPSPS) gene has revolutionized weed control in soybean production. The soybean nitrogen fixing symbiont, Bradyrhizobium japonicum, possesses a glyphosate-sensitive enzyme and upon exposure to glyphosate accumulates shikimic acid and hydroxybenzoic acids such as p...
متن کاملTowards a two-dimensional proteomic reference map of Bradyrhizobium japonicum CPAC 15: spotlighting "hypothetical proteins".
The economic and ecological importance of the symbiosis of soybean with Bradyrhizobium japonicum strains is significant in several countries, particularly Brazil; however, up to now, only one complete and a draft genome for this species are available. In this study, we have obtained a proteomic reference map of B. japonicum strain CPAC 15 (=SEMIA 5079) - used in commercial inoculants for applic...
متن کاملCharacterization of a Functional Role of the Bradyrhizobium japonicum Isocitrate Lyase in Desiccation Tolerance
Bradyrhizobium japonicum is a nitrogen-fixing symbiont of soybean. In previous studies, transcriptomic profiling of B. japonicum USDA110, grown under various environmental conditions, revealed the highly induced gene aceA, encoding isocitrate lyase (ICL). The ICL catalyzes the conversion of isocitrate to succinate and glyoxylate in the glyoxylate bypass of the TCA cycle. Here, we evaluated the ...
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