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Registro Completo |
Biblioteca(s): |
Embrapa Hortaliças. |
Data corrente: |
24/08/2006 |
Data da última atualização: |
24/08/2006 |
Autoria: |
PACHECO, L. P.; SILVA, J. R.; SILVA, L. H. C.; GARCIA, D. L. |
Título: |
Utilização de fungicidas, antibióticos e indutores de resistência mediada por elecitores bióticos e abióticos contra Xanthomonas vesicatoria no tomateiro. |
Ano de publicação: |
2005 |
Fonte/Imprenta: |
Fitopatologia Brasileira, Brasília, DF, v. 30, p. S69, ago. 2006. |
Idioma: |
Português |
Notas: |
Suplemento. Resumo 082. Trabalho apresentado no 38. Congresso Brasileiro de Fitopatologia, 2005, Brasília, DF. |
Palavras-Chave: |
Bactéria endofítica; Indução de resistência; Paenibacillus gordonae. |
Thesagro: |
Antibiótico; Controle Químico; Fungicida; Lycopersicon Esculentum; Mancha Bacteriana; Tomate; Xanthomonas Vesicatoria. |
Thesaurus Nal: |
Bacillus amyloliquefaciens; Bacillus pumilus. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01074naa a2200301 a 4500 001 1779329 005 2006-08-24 008 2005 bl uuuu u00u1 u #d 100 1 $aPACHECO, L. P. 245 $aUtilização de fungicidas, antibióticos e indutores de resistência mediada por elecitores bióticos e abióticos contra Xanthomonas vesicatoria no tomateiro. 260 $c2005 500 $aSuplemento. Resumo 082. Trabalho apresentado no 38. Congresso Brasileiro de Fitopatologia, 2005, Brasília, DF. 650 $aBacillus amyloliquefaciens 650 $aBacillus pumilus 650 $aAntibiótico 650 $aControle Químico 650 $aFungicida 650 $aLycopersicon Esculentum 650 $aMancha Bacteriana 650 $aTomate 650 $aXanthomonas Vesicatoria 653 $aBactéria endofítica 653 $aIndução de resistência 653 $aPaenibacillus gordonae 700 1 $aSILVA, J. R. 700 1 $aSILVA, L. H. C. 700 1 $aGARCIA, D. L. 773 $tFitopatologia Brasileira, Brasília, DF$gv. 30, p. S69, ago. 2006.
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Embrapa Hortaliças (CNPH) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Agrobiologia. Para informações adicionais entre em contato com cnpab.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Agrobiologia. |
Data corrente: |
17/11/2021 |
Data da última atualização: |
17/11/2021 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
WANDERLEY, K.; SOUSA, D.; SILVA, G.; MAIA, J.; SILVA, M.; VIDAL, M. S.; BALDANI, J. I.; MENESES, CARLOS H. G. de. |
Afiliação: |
KATYANNE WANDERLEY, UNIVERSIDADE ESTADUAL DA PARAIBA; DAYSE SOUSA, Universidade Estadual da Paraíba; GABRIEL SILVA, UNIVERSIDADE ESTADUAL DA PARAIBA; JOSEMIR MAIA, UNIVERSIDADE ESTADUAL DA PARAIBA; MARIA SILVA, UNIVERSIDADE ESTADUAL DE PARAIBA; MARCIA SOARES VIDAL, CNPAB; JOSE IVO BALDANI, CNPAB; CARLOS H. G.DE MENESES, UNIVERSIDADE ESTADUAL DA PARAIBA. |
Título: |
Tyrosine kinase self-phosphorylation controls exopolysaccharide biosynthesis in Gluconacetobacter diazotrophicus strain Pal5 |
Ano de publicação: |
2021 |
Fonte/Imprenta: |
Life, v. 11. p. 1231, 2021. |
DOI: |
https://doi.org/10.3390/life11111231 |
Idioma: |
Inglês |
Conteúdo: |
The biosynthesis of exopolysaccharides (EPSs) is essential for endophytic bacterial colonisation in plants bacause this exopolymer both protects bacterial cells against the defence and oxidative systems of plants and acts on the plant colonisation mechanism in Gluconacetobacter diazotrophicus. The pathway involved in the biosynthesis of bacterial EPS has not been fully elucidated, and several areas related to its molecular regulation mechanisms are still lacking. G. diazotrophicus relies heavily on EPS for survival indirectly by protecting plants from pathogen attack as well as for endophytic maintenance and adhesion in plant tissues. Here, we report that EPS from G. diazotrophicus strain Pal5 is a signal polymer that controls its own biosynthesis. EPS production depends on a bacterial tyrosine (BY) kinase (Wzc) that consists of a component that is able to phosphorylate a glycosyltranferase or to self-phosphorylate. EPS interacts with the extracellular domain of Wzc, which regulates kinase activity. In G. diazotrophicus strains that are deficient in EPS production, the Wzc is rendered inoperative by self-phosphorylation. The presence of EPS promotes the phosphorylation of a glycosyltransferase in the pathway, thus producing EPS. Wzc-mediated self-regulation is an attribute for the control of exopolysaccharide biosynthesis in G. diazotrophicu |
Palavras-Chave: |
Autophosphorylatio; Exopolymer production; Plant growth promoting bacteria. |
Categoria do assunto: |
S Ciências Biológicas |
Marc: |
LEADER 02144naa a2200253 a 4500 001 2136243 005 2021-11-17 008 2021 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.3390/life11111231$2DOI 100 1 $aWANDERLEY, K. 245 $aTyrosine kinase self-phosphorylation controls exopolysaccharide biosynthesis in Gluconacetobacter diazotrophicus strain Pal5$h[electronic resource] 260 $c2021 520 $aThe biosynthesis of exopolysaccharides (EPSs) is essential for endophytic bacterial colonisation in plants bacause this exopolymer both protects bacterial cells against the defence and oxidative systems of plants and acts on the plant colonisation mechanism in Gluconacetobacter diazotrophicus. The pathway involved in the biosynthesis of bacterial EPS has not been fully elucidated, and several areas related to its molecular regulation mechanisms are still lacking. G. diazotrophicus relies heavily on EPS for survival indirectly by protecting plants from pathogen attack as well as for endophytic maintenance and adhesion in plant tissues. Here, we report that EPS from G. diazotrophicus strain Pal5 is a signal polymer that controls its own biosynthesis. EPS production depends on a bacterial tyrosine (BY) kinase (Wzc) that consists of a component that is able to phosphorylate a glycosyltranferase or to self-phosphorylate. EPS interacts with the extracellular domain of Wzc, which regulates kinase activity. In G. diazotrophicus strains that are deficient in EPS production, the Wzc is rendered inoperative by self-phosphorylation. The presence of EPS promotes the phosphorylation of a glycosyltransferase in the pathway, thus producing EPS. Wzc-mediated self-regulation is an attribute for the control of exopolysaccharide biosynthesis in G. diazotrophicu 653 $aAutophosphorylatio 653 $aExopolymer production 653 $aPlant growth promoting bacteria 700 1 $aSOUSA, D. 700 1 $aSILVA, G. 700 1 $aMAIA, J. 700 1 $aSILVA, M. 700 1 $aVIDAL, M. S. 700 1 $aBALDANI, J. I. 700 1 $aMENESES, CARLOS H. G. de 773 $tLife$gv. 11. p. 1231, 2021.
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