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Effects of high temperature on survival, symbiotic performance and genomic modifications of bean nodulating Rhizobium strains. Repositório Alice
PINTO, P. P.; RAPOSEIRAS, R.; MACEDO, A. M.; SELDIN, L.; PAVA, E.; SA, N.M.H..
High temperatures can affect the survival, establishment and symbiotic properties of Rhizobium strains. Bean nodulating Rhizobium strains are considered particularly sensitive because on this strains genetic recombinations and/or deletions occur frequently, thus compromising the use of these bacteria as inoculants. Rhizobium tropici and R. leguminosarum bv. phaseoli strains isolated from cerrado soils were exposed to thermal stress and the strains' growth, survival and symbiotic relationships as well as alterations in their genotypic and phenotypic characteristics were analysed. After successive thermal shocks at 45 degrees C for four hours, survival capacity appeared to be strain-specific, independent of thermo-tolerance and was more apparent in R....
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Strains-; Survival-; Capacity-; Cerrado-; Cerrado-soils; Characteristics-; DNA-; Inoculation-; Properties-; Soil-; Stress-; Temperature-; Treatment-; Symbiosis-; Genotypes-.
Ano: 1998 URL: http://www.alice.cnptia.embrapa.br/handle/doc/489141
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