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Registro Completo |
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Biblioteca(s): |
Embrapa Agropecuária Oeste; Embrapa Trigo. |
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Data corrente: |
19/09/2007 |
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Data da última atualização: |
19/09/2007 |
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Autoria: |
SOUSA, P. G.; SOARES SOBRINHO, J.; RUMIATTO, M. |
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Título: |
Competição de linhagens de trigo em nível preliminar de experimentação (primeiro ano). |
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Ano de publicação: |
1990 |
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Fonte/Imprenta: |
In: REUNIÃO DA COMISSÃO CENTRO-SUL-BRASILEIRA DE PESQUISA DE TRIGO, 6., 1990, Campinas. Resultados de pesquisa com trigo - 1989. Dourados: EMBRAPA-UEPAE Dourados, 1990. |
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Páginas: |
p. 53-56. |
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Série: |
(EMBRAPA-UEPAE Dourados. Documentos, 45). |
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Idioma: |
Português |
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Notas: |
Projeto 004.87.016-8 - Competição de cultivares de trigo na Região Sul de Mato Grosso do Sul. |
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Palavras-Chave: |
Brasil; Competição; Mato Grosso do Sul. |
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Thesagro: |
Cerrado; Linhagem; Trigo; Variedade. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00913naa a2200253 a 4500
001 1253977
005 2007-09-19
008 1990 bl uuuu u00u1 u #d
100 1 $aSOUSA, P. G.
245 $aCompetição de linhagens de trigo em nível preliminar de experimentação (primeiro ano).
260 $c1990
300 $ap. 53-56.
490 $a(EMBRAPA-UEPAE Dourados. Documentos, 45).
500 $aProjeto 004.87.016-8 - Competição de cultivares de trigo na Região Sul de Mato Grosso do Sul.
650 $aCerrado
650 $aLinhagem
650 $aTrigo
650 $aVariedade
653 $aBrasil
653 $aCompetição
653 $aMato Grosso do Sul
700 1 $aSOARES SOBRINHO, J.
700 1 $aRUMIATTO, M.
773 $tIn: REUNIÃO DA COMISSÃO CENTRO-SUL-BRASILEIRA DE PESQUISA DE TRIGO, 6., 1990, Campinas. Resultados de pesquisa com trigo - 1989. Dourados: EMBRAPA-UEPAE Dourados, 1990.
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Registro original: |
Embrapa Agropecuária Oeste (CPAO) |
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Registro Completo
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
03/03/2010 |
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Data da última atualização: |
26/07/2017 |
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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: |
CARVALHO, F. M.; SOUZA, R. C.; BARCELLOS, F. G.; HUNGRIA, M.; VASCONCELOS, A. T. R. |
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Afiliação: |
FABÍOLA M. CARVALHO, Laboratório Nacional de Computação Científica; RANGEL C. SOUZA, Laboratório Nacional de Computação Científica; FERNANDO G. BARCELLOS, INMETRO; MARIANGELA HUNGRIA DA CUNHA, CNPSo; ANA TEREZA R. VASCONCELOS, Laboratório Nacional de Bioinformática / INMETRO. |
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Título: |
Genomic and evolutionary comparisons of diazotrophic and pathogenic bacteria of the order Rhizobiales. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
BMC Microbiology, London, v. 10, n. 37, p. 1-15, Feb. 2010. |
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Idioma: |
Inglês |
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Conteúdo: |
Background: Species belonging to the Rhizobiales are intriguing and extensively researched for including both bacteria with the ability to fix nitrogen when in symbiosis with leguminous plants and pathogenic bacteria to animals and plants. Similarities between the strategies adopted by pathogenic and symbiotic Rhizobiales have been described, as well as high variability related to events of horizontal gene transfer. Although it is well known that chromosomal rearrangements, mutations and horizontal gene transfer influence the dynamics of bacterial genomes, in Rhizobiales, the scenario that determine pathogenic or symbiotic lifestyle are not clear and there are very few studies of comparative genomic between these classes of prokaryotic microorganisms trying to delineate the evolutionary characterization of symbiosis and pathogenesis. Results: Non-symbiotic nitrogen-fixing bacteria and bacteria involved in bioremediation closer to symbionts and pathogens in study may assist in the origin and ancestry genes and the gene flow occurring in Rhizobiales. The genomic comparisons of 19 species of Rhizobiales, including nitrogen-fixing, bioremediators and pathogens resulted in 33 common clusters to biological nitrogen fixation and pathogenesis, 15 clusters exclusive to all nitrogen-fixing bacteria and bacteria involved in bioremediation, 13 clusters found in only some nitrogen-fixing and bioremediation bacteria, 01 cluster exclusive to some symbionts, and 01 cluster found only in some pathogens analyzed. In BBH performed to all strains studied, 77 common genes were obtained, 17 of which were related to biological nitrogen fixation and pathogenesis. Phylogenetic reconstructions for Fix, Nif, Nod, Vir, and Trb showed possible horizontal gene transfer events, grouping species of different phenotypes. Conclusions: The presence of symbiotic and virulence genes in both pathogens and symbionts does not seem to be the only determinant factor for lifestyle evolution in these microorganisms, although they may act in common stages of host infection. The phylogenetic analysis for many distinct operons involved in these processes emphasizes the relevance of horizontal gene transfer events in the symbiotic and pathogenic similarity. MenosBackground: Species belonging to the Rhizobiales are intriguing and extensively researched for including both bacteria with the ability to fix nitrogen when in symbiosis with leguminous plants and pathogenic bacteria to animals and plants. Similarities between the strategies adopted by pathogenic and symbiotic Rhizobiales have been described, as well as high variability related to events of horizontal gene transfer. Although it is well known that chromosomal rearrangements, mutations and horizontal gene transfer influence the dynamics of bacterial genomes, in Rhizobiales, the scenario that determine pathogenic or symbiotic lifestyle are not clear and there are very few studies of comparative genomic between these classes of prokaryotic microorganisms trying to delineate the evolutionary characterization of symbiosis and pathogenesis. Results: Non-symbiotic nitrogen-fixing bacteria and bacteria involved in bioremediation closer to symbionts and pathogens in study may assist in the origin and ancestry genes and the gene flow occurring in Rhizobiales. The genomic comparisons of 19 species of Rhizobiales, including nitrogen-fixing, bioremediators and pathogens resulted in 33 common clusters to biological nitrogen fixation and pathogenesis, 15 clusters exclusive to all nitrogen-fixing bacteria and bacteria involved in bioremediation, 13 clusters found in only some nitrogen-fixing and bioremediation bacteria, 01 cluster exclusive to some symbionts, and 01 cluster found only in som... Mostrar Tudo |
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Thesagro: |
Bacteria; Fixação de nitrogênio. |
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Thesaurus NAL: |
Nitrogen fixation; Nitrogen-fixing bacteria. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://www.biomedcentral.com/content/pdf/1471-2180-10-37.pdf
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Marc: |
LEADER 02905naa a2200217 a 4500
001 1659501
005 2017-07-26
008 2010 bl --- 0-- u #d
100 1 $aCARVALHO, F. M.
245 $aGenomic and evolutionary comparisons of diazotrophic and pathogenic bacteria of the order Rhizobiales.
260 $c2010
520 $aBackground: Species belonging to the Rhizobiales are intriguing and extensively researched for including both bacteria with the ability to fix nitrogen when in symbiosis with leguminous plants and pathogenic bacteria to animals and plants. Similarities between the strategies adopted by pathogenic and symbiotic Rhizobiales have been described, as well as high variability related to events of horizontal gene transfer. Although it is well known that chromosomal rearrangements, mutations and horizontal gene transfer influence the dynamics of bacterial genomes, in Rhizobiales, the scenario that determine pathogenic or symbiotic lifestyle are not clear and there are very few studies of comparative genomic between these classes of prokaryotic microorganisms trying to delineate the evolutionary characterization of symbiosis and pathogenesis. Results: Non-symbiotic nitrogen-fixing bacteria and bacteria involved in bioremediation closer to symbionts and pathogens in study may assist in the origin and ancestry genes and the gene flow occurring in Rhizobiales. The genomic comparisons of 19 species of Rhizobiales, including nitrogen-fixing, bioremediators and pathogens resulted in 33 common clusters to biological nitrogen fixation and pathogenesis, 15 clusters exclusive to all nitrogen-fixing bacteria and bacteria involved in bioremediation, 13 clusters found in only some nitrogen-fixing and bioremediation bacteria, 01 cluster exclusive to some symbionts, and 01 cluster found only in some pathogens analyzed. In BBH performed to all strains studied, 77 common genes were obtained, 17 of which were related to biological nitrogen fixation and pathogenesis. Phylogenetic reconstructions for Fix, Nif, Nod, Vir, and Trb showed possible horizontal gene transfer events, grouping species of different phenotypes. Conclusions: The presence of symbiotic and virulence genes in both pathogens and symbionts does not seem to be the only determinant factor for lifestyle evolution in these microorganisms, although they may act in common stages of host infection. The phylogenetic analysis for many distinct operons involved in these processes emphasizes the relevance of horizontal gene transfer events in the symbiotic and pathogenic similarity.
650 $aNitrogen fixation
650 $aNitrogen-fixing bacteria
650 $aBacteria
650 $aFixação de nitrogênio
700 1 $aSOUZA, R. C.
700 1 $aBARCELLOS, F. G.
700 1 $aHUNGRIA, M.
700 1 $aVASCONCELOS, A. T. R.
773 $tBMC Microbiology, London$gv. 10, n. 37, p. 1-15, Feb. 2010.
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