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| Registros recuperados : 32 | |
| 4. |  | CHAGAS, E. C.; PILARSKI, F.; SAKABE, R.; MORAES, F. R. de. Desempenho produtivo e respostas fisiopatológicas de tambaquis alimentados com ração suplementada com b-glucano. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 48, n. 8, p. 899-905, ago. 2013.| Biblioteca(s): Embrapa Amazônia Ocidental; Embrapa Unidades Centrais. |
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| 5. | | FUJIMOTO, R. Y.; CASTRO, M. P. de; HONORATO, C. A.; MORAES, F. R. de. Composição corporal e eficiência de utilização de nutrientes por pacus alimentados com ração suplementada com cromo trivalente. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 42, n. 12, p. 1763-1768, dez. 2007 Título em inglês: Body composition and nutrient efficiency use by pacus fed on ration supplemented with chromium.| Biblioteca(s): Embrapa Algodão; Embrapa Unidades Centrais. |
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| 8. | | JARDINE, J. G.; NESHICH, I. A. P.; MORAES, F. R. de; MAZONI, I.; MANCINI, A.; SALIM, J. A.; NESHICH, G. Generation of lipase B mutants with increased surface hydrophobicity in order to improve biodiesel catalysis. In: INTERNATIONAL CONFERENCE OF THE BRAZILIAN ASSOCIATION FOR BIOINFORMATICS AND COMPUTATIONAL BIOLOGY, 5., 2009, Angra dos Reis. Abstracts book... Angra dos Reis: ABBCB, 2009. Não paginado. X-Meeting 2009.| Biblioteca(s): Embrapa Agricultura Digital. |
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| 9. | | SAKABE, R.; MORAES, F. R. de; BELO, M. A. de A.; PILARSKI, F.; MORAES, J. R. E. de. Kinetics of chronic inflammation in Nile tilapia fed n-3 and n-6 essential fatty acids. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 48, n. 3, p. 313-319, mar. 2013. Título em português: Cinética da inflamação crônica em tilápia?do?nilo alimentada com ácidos graxos essenciais n?3 e n?6.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 12. | | NESHICH, I. A. P.; MAZONI, I.; SALIM, J. A.; MORAES, F. R. de; NISHIMURA, L.; JARDINE, J. G.; NESHICH, G. Pathogenic Prion Proteins (PrP) have higher electrostatic potential pattern than normal cellular prion protein in a specific region. In: ANNUAL MEETING OF THE SBBq, 40., 2011, Foz do Iguaçu. [Proceedings...]. São Paulo, SP: Brazilian Society for Biochemistry and Molecular Biology, 2011. Não paginado.| Biblioteca(s): Embrapa Agricultura Digital. |
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| 13. | | VARANDAS, D. N; MARTINS, M. L; MORAES, F. R. de; RAMOS, F. M.; SANTOS, R. F. B.; FUJIMOTO, R. Y. Pesque-solte: pesca repetitiva, variáveis hematológicas e parasitismo no peixe híbrido tambacu. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 48, n. 8, p. 1058-1063, ago. 2013.| Biblioteca(s): Embrapa Tabuleiros Costeiros; Embrapa Unidades Centrais. |
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| 15. | | MAZONI, I.; SALIM, J. A; NESHICH, I. A. P.; MORAES, F. R. de; NISHIMURA, L.; JARDINE, J. G.; NESHICH, G. Structure function relationship de convoluted to a level of physical chemical descriptors: case study - lysozyme / lactalbumine differences. In: ANNUAL MEETING OF THE SBBq, 40., 2011, Foz do Iguaçu. [Proceedings...]. São Paulo, SP: Brazilian Society for Biochemistry and Molecular Biology, 2011. Não paginado.| Biblioteca(s): Embrapa Agricultura Digital. |
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| 16. | | NOMURA, D. T.; MENESES, J. O.; PILARSKI, F.; MORAES, F. R. de; ABE, H. A.; FUJIMOTO, R. Y. Respostas fisiológicas da tilápia-do-nilo e variáveis limnológicas após decomposição de macrófitas utilizando herbicidas. Boletim do Instituto de Pesca, São Paulo, v. 43, n. 4, p. 631-637, 2017.| Biblioteca(s): Embrapa Tabuleiros Costeiros. |
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| 17. | | NESHICH, I. A. P.; MORAES, F. R. de; SALIM, J. A.; MAZONI, I.; MANCINI, A.; JARDINE, J. G.; NESHICH, G. Surface hydrophobicity index (SHI): insight into the mechanisms of protein-protein associations. In: INTERNATIONAL CONFERENCE OF THE BRAZILIAN ASSOCIATION FOR BIOINFORMATICS AND COMPUTATIONAL BIOLOGY, 5., 2009, Angra dos Reis. Abstracts book... Angra dos Reis: ABBCB, 2009. Não paginado. X-Meeting 2009| Biblioteca(s): Embrapa Agricultura Digital. |
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| 18. | | CASTRO, M. P.; MORAES, F. R. de; FUJIMOTO, R. Y.; CRUZ, C. da; BELO, M. A. de A.; MORAES, J. R. E. de. Acute Toxicity by Water Containing Hexavalent or Trivalent Chromium in Native Brazilian Fish, Piaractus mesopotamicus: Anatomopathological Alterations and Mortality. Bulletin of Environmental Contamination and Toxicology, California, v. 92, p. 213-219, 2014.| Biblioteca(s): Embrapa Tabuleiros Costeiros. |
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| 19. | | JARDINE, J. G.; NESHICH, I. A. P.; MAZONI, I.; YANO, I. H.; MORAES, F. R. de; SALIM, J. A.; BORRO, L.; NISHIMURA, L. S.; NESHICH, G. Biologia computacional molecular e suas aplicações na agricultura. In: MASSRUHÁ, S. M. F. S.; LEITE, M. A. de A.; LUCHIARI JUNIOR, A.; ROMANI, L. A. S. (Ed.). Tecnologias da informação e comunicação e suas relações com a agricultura. Brasília, DF: Embrapa, 2014. Cap. 6. p. 101-117.| Biblioteca(s): Embrapa Agricultura Digital. |
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| 20. | | MORAES, F. R. de; NESHICH, I. A. P.; MAZONI, I.; YANO, I. H.; PEREIRA, J. G. C.; SALIM, J. A.; JARDINE, J. G.; NESHICH, G. Improving predictions of protein-protein interfaces by combining amino acid-specific classifiers based on structural and physicochemical descriptors with their weighted neighbor averages. Plos One, San Francisco, v. 9, n. 1, p. 1-15, Jan. 2014.| Biblioteca(s): Embrapa Agricultura Digital. |
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| Registros recuperados : 32 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agricultura Digital. Para informações adicionais entre em contato com cnptia.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Agricultura Digital. |
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Data corrente: |
26/11/2009 |
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Data da última atualização: |
15/01/2020 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
NESHICH, I. A. P.; MORAES, F. R. de; MARANGONI, S.; MARTINS, D.; SALIM, J. A.; MAZONI, I.; MANCINI, A.; NESHICH, G.; JARDINE, J. G. |
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Afiliação: |
IZABELLA AGOSTINHO PENA NESHICH, Estagiária/CNPTIA; FABIO ROGERIO DE MORAES, Bolsista/CNPTIA; S. MARANGONI, Unicamp; D. MARTINS, Unicamp; JOSÉ AUGUSTO SALIM, Estagiário/CNPTIA; IVAN MAZONI, CNPTIA; ADAUTO LUIZ MANCINI, CNPTIA; GORAN NESHICH, CNPTIA; JOSE GILBERTO JARDINE, CNPTIA. |
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Título: |
Xylella fastidiosa hexameric pilus retraction motor PILT interfaces are maintained by non-hydrophobic contacts. |
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Ano de publicação: |
2009 |
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Fonte/Imprenta: |
In: INTERNATIONAL CONFERENCE OF THE BRAZILIAN ASSOCIATION FOR BIOINFORMATICS AND COMPUTATIONAL BIOLOGY, 5., 2009, Angra dos Reis. Abstracts book... Angra dos Reis: ABBCB, 2009. |
|
Páginas: |
Não paginado. |
|
Idioma: |
Inglês |
|
Notas: |
X-Meeting 2009. |
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Conteúdo: |
Xylella fastidiosa (Xf) causes CVC and Pierce?s Disease (affecting citrus and grape). Xf colonizes the xylem vessels in plants. Pathogenicity of the Xf are related to ability to move within the xylem. Avirulent strains rarely move from the inoculation point. Xf has proteins involved in type IV pili, which cause the twitching motility - a form of surface-associated movement. Satyshur and coworkers had solved four structures from PilT proteins (PDB codes: 2GSZ, 2EWV, 2EWW and 2EYU) from a hyperthermophilic organism, Aquifex aeolicus (Aa). PilT is a hexameric ATPase from a subgroup of the bacterial type II/type IV secretion systems, with two major domains: the Nterminal Domain (NTD) and the C-Terminal Domain (CTD) which contains the ATPase core. The importance of polar and charged CTDn: NTDn+1 interface interactions to retraction motion was discussed. Through site-directed mutagenesis on Pseudomonas aeruginosa PilT, they demonstrated that some residues are crucial to protein function, half of them (D29, R95 and R207) located on interface region. The Xf PilT has 68% of similarity and 49% of identical aminoacids to Aa). We modelled each Xf PilT chain. We analyzed the hexameric structure of Aa Pilt (PDB code: 2GSZ) and Xf PilT hexamer model (named here as 2HXF) using Blue Star STING platform. By analysis of Interface Forming Residues (IFR), we found that there was a significant difference among the interfaces: Xf PilT interfaces area occupied mainly by charged amino acids. This does not hold for the free surfaces (molecular surface without interfaces). In 2GSZ the interface area is occupied by hydrophobic and polar AA; In addition, the interfaces have less charged AA than free surface. The Aa PilT interfaces are more hydrophobic when compared to Xf PilT. The number and energies of contacts established between IFRs in 2HXF are higher than 2GSZ, suggesting that Xf PilT interfaces are more stable. Apparently, the most important IFRs (which establish most energetic contacts at the surface) are conserved within Proteobacteria and Aquificae PilTs (Clustalw alignment data). Thus, we suggest that the difference among amino acid composition of interfaces between Xf PilT and Aa PilT reflect their crucial importance on successful host infections across the Proteobacteria. We hypothesize here that similarities found in primary sequence alignment could be maintained at 3D level, indicating a possible higher selective pressure on these locations in Proteobacteria (as compared to the Aa PilT). We also suggest that these residues, crucially important to protein functionality, might serve as potential targets to eliminate bacteria pathogenicity. MenosXylella fastidiosa (Xf) causes CVC and Pierce?s Disease (affecting citrus and grape). Xf colonizes the xylem vessels in plants. Pathogenicity of the Xf are related to ability to move within the xylem. Avirulent strains rarely move from the inoculation point. Xf has proteins involved in type IV pili, which cause the twitching motility - a form of surface-associated movement. Satyshur and coworkers had solved four structures from PilT proteins (PDB codes: 2GSZ, 2EWV, 2EWW and 2EYU) from a hyperthermophilic organism, Aquifex aeolicus (Aa). PilT is a hexameric ATPase from a subgroup of the bacterial type II/type IV secretion systems, with two major domains: the Nterminal Domain (NTD) and the C-Terminal Domain (CTD) which contains the ATPase core. The importance of polar and charged CTDn: NTDn+1 interface interactions to retraction motion was discussed. Through site-directed mutagenesis on Pseudomonas aeruginosa PilT, they demonstrated that some residues are crucial to protein function, half of them (D29, R95 and R207) located on interface region. The Xf PilT has 68% of similarity and 49% of identical aminoacids to Aa). We modelled each Xf PilT chain. We analyzed the hexameric structure of Aa Pilt (PDB code: 2GSZ) and Xf PilT hexamer model (named here as 2HXF) using Blue Star STING platform. By analysis of Interface Forming Residues (IFR), we found that there was a significant difference among the interfaces: Xf PilT interfaces area occupied mainly by charged amino acids. This do... Mostrar Tudo |
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Palavras-Chave: |
Aminoácidos; Bioinformática; Contatos não hidrofóbicos; Proteínas. |
|
Thesagro: |
Xylella Fastidiosa. |
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Thesaurus NAL: |
Bioinformatics; Proteins. |
|
Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
|
Marc: |
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001 1576270
005 2020-01-15
008 2009 bl uuuu u00u1 u #d
100 1 $aNESHICH, I. A. P.
245 $aXylella fastidiosa hexameric pilus retraction motor PILT interfaces are maintained by non-hydrophobic contacts.$h[electronic resource]
260 $aIn: INTERNATIONAL CONFERENCE OF THE BRAZILIAN ASSOCIATION FOR BIOINFORMATICS AND COMPUTATIONAL BIOLOGY, 5., 2009, Angra dos Reis. Abstracts book... Angra dos Reis: ABBCB$c2009
300 $aNão paginado.
500 $aX-Meeting 2009.
520 $aXylella fastidiosa (Xf) causes CVC and Pierce?s Disease (affecting citrus and grape). Xf colonizes the xylem vessels in plants. Pathogenicity of the Xf are related to ability to move within the xylem. Avirulent strains rarely move from the inoculation point. Xf has proteins involved in type IV pili, which cause the twitching motility - a form of surface-associated movement. Satyshur and coworkers had solved four structures from PilT proteins (PDB codes: 2GSZ, 2EWV, 2EWW and 2EYU) from a hyperthermophilic organism, Aquifex aeolicus (Aa). PilT is a hexameric ATPase from a subgroup of the bacterial type II/type IV secretion systems, with two major domains: the Nterminal Domain (NTD) and the C-Terminal Domain (CTD) which contains the ATPase core. The importance of polar and charged CTDn: NTDn+1 interface interactions to retraction motion was discussed. Through site-directed mutagenesis on Pseudomonas aeruginosa PilT, they demonstrated that some residues are crucial to protein function, half of them (D29, R95 and R207) located on interface region. The Xf PilT has 68% of similarity and 49% of identical aminoacids to Aa). We modelled each Xf PilT chain. We analyzed the hexameric structure of Aa Pilt (PDB code: 2GSZ) and Xf PilT hexamer model (named here as 2HXF) using Blue Star STING platform. By analysis of Interface Forming Residues (IFR), we found that there was a significant difference among the interfaces: Xf PilT interfaces area occupied mainly by charged amino acids. This does not hold for the free surfaces (molecular surface without interfaces). In 2GSZ the interface area is occupied by hydrophobic and polar AA; In addition, the interfaces have less charged AA than free surface. The Aa PilT interfaces are more hydrophobic when compared to Xf PilT. The number and energies of contacts established between IFRs in 2HXF are higher than 2GSZ, suggesting that Xf PilT interfaces are more stable. Apparently, the most important IFRs (which establish most energetic contacts at the surface) are conserved within Proteobacteria and Aquificae PilTs (Clustalw alignment data). Thus, we suggest that the difference among amino acid composition of interfaces between Xf PilT and Aa PilT reflect their crucial importance on successful host infections across the Proteobacteria. We hypothesize here that similarities found in primary sequence alignment could be maintained at 3D level, indicating a possible higher selective pressure on these locations in Proteobacteria (as compared to the Aa PilT). We also suggest that these residues, crucially important to protein functionality, might serve as potential targets to eliminate bacteria pathogenicity.
650 $aBioinformatics
650 $aProteins
650 $aXylella Fastidiosa
653 $aAminoácidos
653 $aBioinformática
653 $aContatos não hidrofóbicos
653 $aProteínas
700 1 $aMORAES, F. R. de
700 1 $aMARANGONI, S.
700 1 $aMARTINS, D.
700 1 $aSALIM, J. A.
700 1 $aMAZONI, I.
700 1 $aMANCINI, A.
700 1 $aNESHICH, G.
700 1 $aJARDINE, J. G.
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