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 | Acesso ao texto completo restrito à biblioteca da Embrapa Meio Ambiente. Para informações adicionais entre em contato com cnpma.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
09/06/2022 |
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Data da última atualização: |
09/06/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
BRAGA, A. P. A.; CRUZ, J. M.; MELO, I. S. de. |
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Afiliação: |
ANA PAULA ANDRADE BRAGA, ESALQ-USP; JAQUELINE MATOS CRUZ, IB-UNESP; ITAMAR SOARES DE MELO, CNPMA. |
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Título: |
Rhizobacteria from Brazilian semiarid biome as growth promoters of soybean (Glycine max L.) under low water availability. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Brazilian Journal of Microbiology, v. 53, n. 2, p. 873-883, 2022. |
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ISSN: |
1678-4405 |
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DOI: |
https://doi.org/10.1007/s42770-022-00711-7 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: biome in the Brazilian semiarid region. Its vegetation is composed by plants and microorganisms with high tolerance to drought. Microorganisms associated with plants in this biome can develop mechanisms to protect cells from water stress and desiccation. The aim of this study was to identify plant growth-promoting rhizobacteria associated with the drought-tolerant legume Mimosa artemisiana and to examine their effect on the growth of soybean (Glycine max L.) under drought condition (irrigation with 30% of field capacity). Rhizospheric soil was collected along the Caatinga (In the States of Bahia and Pernambuco) at 4 collection points, totaling sixty subsamples. Xerotolerant bacteria with plant growth-promotion characteristics were isolated in a selective culture medium for diazotrophic bacteria. Two strains of the genera Bacillus and one Paenibacillus were promising in in vitro and in vivo tests. Both were able to grow in a medium with low water availability (0.919 Aw) and could produce exopolysaccharides and indole acetic acid (up to 130 µg mL−1). In addition, they produced 1-aminocyclopropane-1-carboxylate (ACC) deaminase and formed biofilms under drought conditions. The inoculation with the isolated strains in the seedling root system mitigated the adverse effects of drought, increasing roots and shoots dry weights of soybean seedlings compared with non-inoculated. |
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Thesagro: |
Caatinga; Estimulante de Crescimento Vegetal; Resistência a Seca; Rhizobium; Soja. |
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Thesaurus NAL: |
Biofertilizers; Drought tolerance; Growth promotion; Plant growth-promoting rhizobacteria; Semiarid soils; Soybeans. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02357naa a2200301 a 4500
001 2143913
005 2022-06-09
008 2022 bl uuuu u00u1 u #d
022 $a1678-4405
024 7 $ahttps://doi.org/10.1007/s42770-022-00711-7$2DOI
100 1 $aBRAGA, A. P. A.
245 $aRhizobacteria from Brazilian semiarid biome as growth promoters of soybean (Glycine max L.) under low water availability.$h[electronic resource]
260 $c2022
520 $aAbstract: biome in the Brazilian semiarid region. Its vegetation is composed by plants and microorganisms with high tolerance to drought. Microorganisms associated with plants in this biome can develop mechanisms to protect cells from water stress and desiccation. The aim of this study was to identify plant growth-promoting rhizobacteria associated with the drought-tolerant legume Mimosa artemisiana and to examine their effect on the growth of soybean (Glycine max L.) under drought condition (irrigation with 30% of field capacity). Rhizospheric soil was collected along the Caatinga (In the States of Bahia and Pernambuco) at 4 collection points, totaling sixty subsamples. Xerotolerant bacteria with plant growth-promotion characteristics were isolated in a selective culture medium for diazotrophic bacteria. Two strains of the genera Bacillus and one Paenibacillus were promising in in vitro and in vivo tests. Both were able to grow in a medium with low water availability (0.919 Aw) and could produce exopolysaccharides and indole acetic acid (up to 130 µg mL−1). In addition, they produced 1-aminocyclopropane-1-carboxylate (ACC) deaminase and formed biofilms under drought conditions. The inoculation with the isolated strains in the seedling root system mitigated the adverse effects of drought, increasing roots and shoots dry weights of soybean seedlings compared with non-inoculated.
650 $aBiofertilizers
650 $aDrought tolerance
650 $aGrowth promotion
650 $aPlant growth-promoting rhizobacteria
650 $aSemiarid soils
650 $aSoybeans
650 $aCaatinga
650 $aEstimulante de Crescimento Vegetal
650 $aResistência a Seca
650 $aRhizobium
650 $aSoja
700 1 $aCRUZ, J. M.
700 1 $aMELO, I. S. de
773 $tBrazilian Journal of Microbiology$gv. 53, n. 2, p. 873-883, 2022.
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