|
|
Registro Completo |
Biblioteca(s): |
Embrapa Recursos Genéticos e Biotecnologia. |
Data corrente: |
20/01/2015 |
Data da última atualização: |
27/11/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
BEZERRA, C. A.; MACEDO, L. L. P.; AMORIM, T. M. L.; SANTOS, V. O.; FRAGOSO, R. da R.; LUCENA, W. A.; MENEGUIM, A. M.; VALENCIA-JIMENEZ, A.; ENGLER, G.; SILVA, M. C. M.; ALBUQUERQUE, E. V. S.; GROSSI-DE-SA, M. F. |
Afiliação: |
FURGS; FURGS; RODRIGO DA ROCHA FRAGOSO, CPAC; WAGNER ALEXANDRE LUCENA, CNPA; IAPAR; UNIVERSITY OF CALDAS, COLOMBIA; INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FRANCE; MARIA CRISTINA MATTAR DA SILVA, CENARGEN; ERIKA VALERIA SALIBA ALBUQUERQUE FR, CENARGEN; MARIA FATIMA GROSSI DE SA, CENARGEN. |
Título: |
Molecular cloning and characterization of an α-amylase cDNA highly expressed in major feeding stages of the coffee berry borer, Hypothenemus hampei. |
Ano de publicação: |
2014 |
Fonte/Imprenta: |
Gene, v. 553, n. 1, p. 7-16, Dec. 2014. |
DOI: |
10.1016/j.gene.2014.09.050 |
Idioma: |
Inglês |
Conteúdo: |
Abstract: a-Amylases are common enzymes responsible for hydrolyzing starch. Insect-pests, whose larvae develop in seeds, rely obligatorily on a-amylase activity to digest starch, as their major food source. Considering the relevance of insect a-amylases and the natural a-amylase inhibitors present in seeds to protect from insect damage, we report here the molecular cloning and nucleotide sequence of the full-length AmyHha cDNA of the coffee berry borer, Hypothenemus hampei, a major insect-pest of coffee crops. The AmyHha sequence has 1879 bp, containing a 1458 bp open reading frame, which encodes a predicted protein with 485 amino acid residues, with a predicted molecular mass of 51.2 kDa. The deduced protein showed 55?79% identity to other insect a-amylases, including Anthonomus grandis, Ips typographus and Sitophilus oryzae a-amylases. In depth analysis revealed that the highly conserved three amino acid residues (Asp184, Glu220, and Asp285), which compose the catalytic site are also presented in AmyHha amylase. The AmyHha gene seems to be a single copy in the haploid genome and AmyHha transcription levels were found higher in L2 larvae and adult insects, both corresponding to major feeding phases. Modeling of the AmyHha predicted protein uncovered striking structural similarities to the Tenebrio molitor a-amylase also displaying the same amino acid residues involved in enzyme catalysis (Asp184, Glu220 and Asp285). Since AmyHha gene was mostly transcribed in the intestinal tract of H. hampei larvae, the cognate a-amylase could be considered a high valuable target to coffee bean insect control by biotechnological strategies. MenosAbstract: a-Amylases are common enzymes responsible for hydrolyzing starch. Insect-pests, whose larvae develop in seeds, rely obligatorily on a-amylase activity to digest starch, as their major food source. Considering the relevance of insect a-amylases and the natural a-amylase inhibitors present in seeds to protect from insect damage, we report here the molecular cloning and nucleotide sequence of the full-length AmyHha cDNA of the coffee berry borer, Hypothenemus hampei, a major insect-pest of coffee crops. The AmyHha sequence has 1879 bp, containing a 1458 bp open reading frame, which encodes a predicted protein with 485 amino acid residues, with a predicted molecular mass of 51.2 kDa. The deduced protein showed 55?79% identity to other insect a-amylases, including Anthonomus grandis, Ips typographus and Sitophilus oryzae a-amylases. In depth analysis revealed that the highly conserved three amino acid residues (Asp184, Glu220, and Asp285), which compose the catalytic site are also presented in AmyHha amylase. The AmyHha gene seems to be a single copy in the haploid genome and AmyHha transcription levels were found higher in L2 larvae and adult insects, both corresponding to major feeding phases. Modeling of the AmyHha predicted protein uncovered striking structural similarities to the Tenebrio molitor a-amylase also displaying the same amino acid residues involved in enzyme catalysis (Asp184, Glu220 and Asp285). Since AmyHha gene was mostly transcribed in the intestinal... Mostrar Tudo |
Palavras-Chave: |
Expressão gênica. |
Thesagro: |
Amido; Curculionideo; Hidrolise; Praga de planta. |
Thesaurus Nal: |
Curculionidae; Enzymatic hydrolysis; Gene expression; Insect pests; Starch. |
Categoria do assunto: |
O Insetos e Entomologia |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/115999/1/34279.pdf
|
Marc: |
LEADER 02795naa a2200385 a 4500 001 2006141 005 2023-11-27 008 2014 bl uuuu u00u1 u #d 024 7 $a10.1016/j.gene.2014.09.050$2DOI 100 1 $aBEZERRA, C. A. 245 $aMolecular cloning and characterization of an α-amylase cDNA highly expressed in major feeding stages of the coffee berry borer, Hypothenemus hampei.$h[electronic resource] 260 $c2014 520 $aAbstract: a-Amylases are common enzymes responsible for hydrolyzing starch. Insect-pests, whose larvae develop in seeds, rely obligatorily on a-amylase activity to digest starch, as their major food source. Considering the relevance of insect a-amylases and the natural a-amylase inhibitors present in seeds to protect from insect damage, we report here the molecular cloning and nucleotide sequence of the full-length AmyHha cDNA of the coffee berry borer, Hypothenemus hampei, a major insect-pest of coffee crops. The AmyHha sequence has 1879 bp, containing a 1458 bp open reading frame, which encodes a predicted protein with 485 amino acid residues, with a predicted molecular mass of 51.2 kDa. The deduced protein showed 55?79% identity to other insect a-amylases, including Anthonomus grandis, Ips typographus and Sitophilus oryzae a-amylases. In depth analysis revealed that the highly conserved three amino acid residues (Asp184, Glu220, and Asp285), which compose the catalytic site are also presented in AmyHha amylase. The AmyHha gene seems to be a single copy in the haploid genome and AmyHha transcription levels were found higher in L2 larvae and adult insects, both corresponding to major feeding phases. Modeling of the AmyHha predicted protein uncovered striking structural similarities to the Tenebrio molitor a-amylase also displaying the same amino acid residues involved in enzyme catalysis (Asp184, Glu220 and Asp285). Since AmyHha gene was mostly transcribed in the intestinal tract of H. hampei larvae, the cognate a-amylase could be considered a high valuable target to coffee bean insect control by biotechnological strategies. 650 $aCurculionidae 650 $aEnzymatic hydrolysis 650 $aGene expression 650 $aInsect pests 650 $aStarch 650 $aAmido 650 $aCurculionideo 650 $aHidrolise 650 $aPraga de planta 653 $aExpressão gênica 700 1 $aMACEDO, L. L. P. 700 1 $aAMORIM, T. M. L. 700 1 $aSANTOS, V. O. 700 1 $aFRAGOSO, R. da R. 700 1 $aLUCENA, W. A. 700 1 $aMENEGUIM, A. M. 700 1 $aVALENCIA-JIMENEZ, A. 700 1 $aENGLER, G. 700 1 $aSILVA, M. C. M. 700 1 $aALBUQUERQUE, E. V. S. 700 1 $aGROSSI-DE-SA, M. F. 773 $tGene$gv. 553, n. 1, p. 7-16, Dec. 2014.
Download
Esconder MarcMostrar Marc Completo |
Registro original: |
Embrapa Recursos Genéticos e Biotecnologia (CENARGEN) |
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
| Acesso ao texto completo restrito à biblioteca da Embrapa Pantanal. Para informações adicionais entre em contato com cpap.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Pantanal. |
Data corrente: |
12/01/2018 |
Data da última atualização: |
15/01/2018 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 1 |
Autoria: |
ARIMORO, O. A. S.; LACERDA, A. C. R.; TOMAS, W. M.; ASTETE, S.; ROIG, H. L.; MARINHO-FILHO, J. |
Afiliação: |
OMOLABAKE ALHAMBRA SILVA ARIMORO, UNIVERSIDADE DE BRASÍLIA; ANA CRISTYNA REIS LACERDA, UNIVERSIDADE DE BRASÍLIA; WALFRIDO MORAES TOMAS, CPAP; SAMUEL ASTETE, UNIVERSIDADE DE BRASÍLIA; HENRIQUE LLACER ROIG, UNIVERSIDADE DE BRASÍLIA; JADER MARINHO-FILHO, UNIVERSIDADE DE BRASÍLIA. |
Título: |
Artillery for conservation: the case of the mammals protected by the formosa military training area, Brazil. |
Ano de publicação: |
2017 |
Fonte/Imprenta: |
Tropical Conservation Science, v. 10, p. 1-13, 2017. |
DOI: |
10.1177/1940082917727654 |
Idioma: |
Inglês |
Conteúdo: |
Military training areas (MTA) are increasingly recognized as sites that harbor high levels of biodiversity, including large numbers of endangered species, yet their conservation value has not been rigorously assessed. Here, we studied the species richness and composition of medium- and large-sized mammals in Formosa MTA, a Brazilian military area, as a case study to assess the conservation value of military areas. We also made an evaluation of Brazilian MTAs regarding size, distributions, and representation of within ecoregion/biome compared with other protected areas. The medium- and large-sized mammal community composition fits the pattern described for the Cerrado, characterized by species of wide distributions, but locally rare. The Formosa MTA supports a relatively higher richness (n ¼ 29) than protected areas in nearby regions and is a refuge for eight endangered species. Our study identified 52 MTAs covering a total area of 3 million ha. Our findings highlight the relevance of Formosa MTA for the conservation of regional mammalian fauna and indicate the potential of other military areas in the context of biological conservation. |
Thesagro: |
Preservação da Natureza. |
Thesaurus NAL: |
conservation areas. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
Marc: |
LEADER 01840naa a2200217 a 4500 001 2085180 005 2018-01-15 008 2017 bl uuuu u00u1 u #d 024 7 $a10.1177/1940082917727654$2DOI 100 1 $aARIMORO, O. A. S. 245 $aArtillery for conservation$bthe case of the mammals protected by the formosa military training area, Brazil.$h[electronic resource] 260 $c2017 520 $aMilitary training areas (MTA) are increasingly recognized as sites that harbor high levels of biodiversity, including large numbers of endangered species, yet their conservation value has not been rigorously assessed. Here, we studied the species richness and composition of medium- and large-sized mammals in Formosa MTA, a Brazilian military area, as a case study to assess the conservation value of military areas. We also made an evaluation of Brazilian MTAs regarding size, distributions, and representation of within ecoregion/biome compared with other protected areas. The medium- and large-sized mammal community composition fits the pattern described for the Cerrado, characterized by species of wide distributions, but locally rare. The Formosa MTA supports a relatively higher richness (n ¼ 29) than protected areas in nearby regions and is a refuge for eight endangered species. Our study identified 52 MTAs covering a total area of 3 million ha. Our findings highlight the relevance of Formosa MTA for the conservation of regional mammalian fauna and indicate the potential of other military areas in the context of biological conservation. 650 $aconservation areas 650 $aPreservação da Natureza 700 1 $aLACERDA, A. C. R. 700 1 $aTOMAS, W. M. 700 1 $aASTETE, S. 700 1 $aROIG, H. L. 700 1 $aMARINHO-FILHO, J. 773 $tTropical Conservation Science$gv. 10, p. 1-13, 2017.
Download
Esconder MarcMostrar Marc Completo |
Registro original: |
Embrapa Pantanal (CPAP) |
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
Nenhum registro encontrado para a expressão de busca informada. |
|
|