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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
05/03/2004 |
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Data da última atualização: |
24/03/2015 |
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Autoria: |
MEIRA NETO, J. A. A.; SOUZA, A. L.; MARTINS, S. V.; SILVA, A. F. da. |
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Título: |
Fitossociologia na Mata Atlântica. |
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Ano de publicação: |
2003 |
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Fonte/Imprenta: |
Ação Ambiental, Viçosa, v. 6, n. 25, p. 19-20, maio/jun. 2003. |
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Idioma: |
Português |
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Palavras-Chave: |
Fitossociologia; Mata Atlântica. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00470naa a2200169 a 4500
001 1308411
005 2015-03-24
008 2003 bl uuuu u00u1 u #d
100 1 $aMEIRA NETO, J. A. A.
245 $aFitossociologia na Mata Atlântica.
260 $c2003
653 $aFitossociologia
653 $aMata Atlântica
700 1 $aSOUZA, A. L.
700 1 $aMARTINS, S. V.
700 1 $aSILVA, A. F. da
773 $tAção Ambiental, Viçosa$gv. 6, n. 25, p. 19-20, maio/jun. 2003.
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Registro original: |
Embrapa Florestas (CNPF) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Arroz e Feijão. Para informações adicionais entre em contato com cnpaf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
27/10/1994 |
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Data da última atualização: |
29/01/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
O'CONNELL, K. P.; ARAUJO, R. S.; HANDELSMAN, J. |
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Afiliação: |
KEVIN P. O'CONNELL, UNIVERSITY OF MADISON, Wisconsin; RICARDO SILVA ARAUJO, CNPAF; JO HANDELSMAN, UNIVERSITY OF MADISON, Wisconsin. |
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Título: |
Exopolysaccharide-deficient mutants of Rhizobium sp. strain CIAT899 induce chlorosis in common bean (Phaseolus vulgaris). |
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Ano de publicação: |
1990 |
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Fonte/Imprenta: |
Molecular Plant-Microbe Interactions, v. 3, n. 6, p. 424-428, 1990. |
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Idioma: |
Inglês |
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Conteúdo: |
Mutants of Rhizobium sp. strain CIAT899 deficient in exopolysaccharide (EPS) were generated with Tn5 and ethyl methanesulfonate. The EPS-deficient mutants produced nonmucoid colonies on solid media and released 8.1-41.0% of the amount of EPS produced by CIAT899 in broth culture. All eight mutants tested induced an interveinal chlorosis in the first trifoliolate leaf of their symbiotic host, common bean (Phaseolus vulgaris), whereas CIAT899 caused slight chlorosis on a small proportion of inoculated plants. Two other bean-nodulating strains, R. leguminosarum bv. phaseoli CE3 and KIM5s, did not induce chlorosis, and neither did EPS-deficient mutants derived from these two strains. CIAT899 and its EPS-deficient mutants all induced pink, effective nodules, indicating that the chlorosis was not due to a lack of nitrogen resulting from an ineffective symbiosis. One EPS-deficient mutant, CT9005, was applied to Leucaena leucocephala, and it was found to induce foliar chlorosis and retained the ability to induce nodules on that host. Cultures of chlorosis-inducing strains lost the ability to induce chlorosis upon dilution, while retaining sufficient cells to nodulate abundantly, suggesting that nodulation is not sufficient for chlorosis induction. These data suggest that EPS-deficient mutants of CIAT899, and CIAT899 to a lesser extent, produce a chlorosis-inducing factor either in broth culture or in the rhizosphere. |
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Thesagro: |
Feijão; Mutante; Phaseolus Vulgaris; Rhizobium. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02039naa a2200193 a 4500
001 1197813
005 2024-01-29
008 1990 bl uuuu u00u1 u #d
100 1 $aO'CONNELL, K. P.
245 $aExopolysaccharide-deficient mutants of Rhizobium sp. strain CIAT899 induce chlorosis in common bean (Phaseolus vulgaris).$h[electronic resource]
260 $c1990
520 $aMutants of Rhizobium sp. strain CIAT899 deficient in exopolysaccharide (EPS) were generated with Tn5 and ethyl methanesulfonate. The EPS-deficient mutants produced nonmucoid colonies on solid media and released 8.1-41.0% of the amount of EPS produced by CIAT899 in broth culture. All eight mutants tested induced an interveinal chlorosis in the first trifoliolate leaf of their symbiotic host, common bean (Phaseolus vulgaris), whereas CIAT899 caused slight chlorosis on a small proportion of inoculated plants. Two other bean-nodulating strains, R. leguminosarum bv. phaseoli CE3 and KIM5s, did not induce chlorosis, and neither did EPS-deficient mutants derived from these two strains. CIAT899 and its EPS-deficient mutants all induced pink, effective nodules, indicating that the chlorosis was not due to a lack of nitrogen resulting from an ineffective symbiosis. One EPS-deficient mutant, CT9005, was applied to Leucaena leucocephala, and it was found to induce foliar chlorosis and retained the ability to induce nodules on that host. Cultures of chlorosis-inducing strains lost the ability to induce chlorosis upon dilution, while retaining sufficient cells to nodulate abundantly, suggesting that nodulation is not sufficient for chlorosis induction. These data suggest that EPS-deficient mutants of CIAT899, and CIAT899 to a lesser extent, produce a chlorosis-inducing factor either in broth culture or in the rhizosphere.
650 $aFeijão
650 $aMutante
650 $aPhaseolus Vulgaris
650 $aRhizobium
700 1 $aARAUJO, R. S.
700 1 $aHANDELSMAN, J.
773 $tMolecular Plant-Microbe Interactions$gv. 3, n. 6, p. 424-428, 1990.
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Embrapa Arroz e Feijão (CNPAF) |
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