Activity toward Bruchid Pest of a Kunitz-Type Inhibitor from Seeds of the Algaroba Tree (Prosopis juliflora D.C.)
Autor(a) principal: | |
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Data de Publicação: | 2002 |
Outros Autores: | , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UCB |
Texto Completo: | http://twingo.ucb.br:8080/jspui/handle/10869/670 https://repositorio.ucb.br:9443/jspui/handle/123456789/7808 |
Resumo: | A proteinaceous inhibitor with high activity against papain was found in seeds of the xerophytic algaroba tree (Prosopis julifora). The proteinase inhibitor Pj was purified using Sephacryl S-200 gel filtration followed by reverse-phase high-performance liquid chromatography on a Vidac 18 TP. Inhibitor Pj showed a Mr of 20,000 on sodium dodecyl sulfate–polyacrylamide gel electrophoresis and a Mr of 19.2K by mass spectrometry. The inhibition of papain by the Pj inhibitor was the noncompetitive type, with a Ki value of 0.59 3 1029 M. The gelatinase activity of papain was strongly inhibited by Pj too. The N-terminal amino acid sequence of the Pj inhibitor showed homology with the N-terminal amino acid sequence of the Kunitzproteinase inhibitor family. Pj was strongly effective against digestive proteinases from bean weevil Acanthoscelides obtectus and cowpea weevil Callosobruchus maculatus and was moderately active toward midgut proteinases from pod weevil Mimosestes mimosae and Mexican bean weevil Zabrotes subfasciatus. The data shown here suggest that the protein present in algaroba seeds is involved with defense responses to insects and may be an important tool to be used in engineering plants resistant to bean weevils. |
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Oliveira, Adeliana Silva dePereira, Railene de AzevedoLima, Liziane MariaMorais, Ana Heloneida de AraújoMelo, Francislete RodriguesFranco, Octavio LuizBloch Júnior, CarlosGrossi-de-Sá, Maria FátimaSales, Mauricio Pereira de2016-10-10T03:52:44Z2016-10-10T03:52:44Z2002OLIVEIRA, Adeliana Silva de et. al. Activity toward bruchid pest of a kunitz-type inhibitor from seeds of the algaroba tree (Prosopis juliflora D. C.). Pesticide Biochemistry and Physiology, v. 72, p. 122-132, 2002.http://twingo.ucb.br:8080/jspui/handle/10869/670https://repositorio.ucb.br:9443/jspui/handle/123456789/7808A proteinaceous inhibitor with high activity against papain was found in seeds of the xerophytic algaroba tree (Prosopis julifora). The proteinase inhibitor Pj was purified using Sephacryl S-200 gel filtration followed by reverse-phase high-performance liquid chromatography on a Vidac 18 TP. Inhibitor Pj showed a Mr of 20,000 on sodium dodecyl sulfate–polyacrylamide gel electrophoresis and a Mr of 19.2K by mass spectrometry. The inhibition of papain by the Pj inhibitor was the noncompetitive type, with a Ki value of 0.59 3 1029 M. The gelatinase activity of papain was strongly inhibited by Pj too. The N-terminal amino acid sequence of the Pj inhibitor showed homology with the N-terminal amino acid sequence of the Kunitzproteinase inhibitor family. Pj was strongly effective against digestive proteinases from bean weevil Acanthoscelides obtectus and cowpea weevil Callosobruchus maculatus and was moderately active toward midgut proteinases from pod weevil Mimosestes mimosae and Mexican bean weevil Zabrotes subfasciatus. The data shown here suggest that the protein present in algaroba seeds is involved with defense responses to insects and may be an important tool to be used in engineering plants resistant to bean weevils.Made available in DSpace on 2016-10-10T03:52:44Z (GMT). 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dc.title.pt_BR.fl_str_mv |
Activity toward Bruchid Pest of a Kunitz-Type Inhibitor from Seeds of the Algaroba Tree (Prosopis juliflora D.C.) |
title |
Activity toward Bruchid Pest of a Kunitz-Type Inhibitor from Seeds of the Algaroba Tree (Prosopis juliflora D.C.) |
spellingShingle |
Activity toward Bruchid Pest of a Kunitz-Type Inhibitor from Seeds of the Algaroba Tree (Prosopis juliflora D.C.) Oliveira, Adeliana Silva de Prosopis juliflora Plant defense Bean weevil Phytocystatin Bruchids |
title_short |
Activity toward Bruchid Pest of a Kunitz-Type Inhibitor from Seeds of the Algaroba Tree (Prosopis juliflora D.C.) |
title_full |
Activity toward Bruchid Pest of a Kunitz-Type Inhibitor from Seeds of the Algaroba Tree (Prosopis juliflora D.C.) |
title_fullStr |
Activity toward Bruchid Pest of a Kunitz-Type Inhibitor from Seeds of the Algaroba Tree (Prosopis juliflora D.C.) |
title_full_unstemmed |
Activity toward Bruchid Pest of a Kunitz-Type Inhibitor from Seeds of the Algaroba Tree (Prosopis juliflora D.C.) |
title_sort |
Activity toward Bruchid Pest of a Kunitz-Type Inhibitor from Seeds of the Algaroba Tree (Prosopis juliflora D.C.) |
author |
Oliveira, Adeliana Silva de |
author_facet |
Oliveira, Adeliana Silva de Pereira, Railene de Azevedo Lima, Liziane Maria Morais, Ana Heloneida de Araújo Melo, Francislete Rodrigues Franco, Octavio Luiz Bloch Júnior, Carlos Grossi-de-Sá, Maria Fátima Sales, Mauricio Pereira de |
author_role |
author |
author2 |
Pereira, Railene de Azevedo Lima, Liziane Maria Morais, Ana Heloneida de Araújo Melo, Francislete Rodrigues Franco, Octavio Luiz Bloch Júnior, Carlos Grossi-de-Sá, Maria Fátima Sales, Mauricio Pereira de |
author2_role |
author author author author author author author author |
dc.contributor.author.fl_str_mv |
Oliveira, Adeliana Silva de Pereira, Railene de Azevedo Lima, Liziane Maria Morais, Ana Heloneida de Araújo Melo, Francislete Rodrigues Franco, Octavio Luiz Bloch Júnior, Carlos Grossi-de-Sá, Maria Fátima Sales, Mauricio Pereira de |
dc.subject.por.fl_str_mv |
Prosopis juliflora Plant defense Bean weevil Phytocystatin Bruchids |
topic |
Prosopis juliflora Plant defense Bean weevil Phytocystatin Bruchids |
dc.description.abstract.por.fl_txt_mv |
A proteinaceous inhibitor with high activity against papain was found in seeds of the xerophytic algaroba tree (Prosopis julifora). The proteinase inhibitor Pj was purified using Sephacryl S-200 gel filtration followed by reverse-phase high-performance liquid chromatography on a Vidac 18 TP. Inhibitor Pj showed a Mr of 20,000 on sodium dodecyl sulfate–polyacrylamide gel electrophoresis and a Mr of 19.2K by mass spectrometry. The inhibition of papain by the Pj inhibitor was the noncompetitive type, with a Ki value of 0.59 3 1029 M. The gelatinase activity of papain was strongly inhibited by Pj too. The N-terminal amino acid sequence of the Pj inhibitor showed homology with the N-terminal amino acid sequence of the Kunitzproteinase inhibitor family. Pj was strongly effective against digestive proteinases from bean weevil Acanthoscelides obtectus and cowpea weevil Callosobruchus maculatus and was moderately active toward midgut proteinases from pod weevil Mimosestes mimosae and Mexican bean weevil Zabrotes subfasciatus. The data shown here suggest that the protein present in algaroba seeds is involved with defense responses to insects and may be an important tool to be used in engineering plants resistant to bean weevils. |
dc.description.status.pt_BR.fl_txt_mv |
Publicado |
description |
A proteinaceous inhibitor with high activity against papain was found in seeds of the xerophytic algaroba tree (Prosopis julifora). The proteinase inhibitor Pj was purified using Sephacryl S-200 gel filtration followed by reverse-phase high-performance liquid chromatography on a Vidac 18 TP. Inhibitor Pj showed a Mr of 20,000 on sodium dodecyl sulfate–polyacrylamide gel electrophoresis and a Mr of 19.2K by mass spectrometry. The inhibition of papain by the Pj inhibitor was the noncompetitive type, with a Ki value of 0.59 3 1029 M. The gelatinase activity of papain was strongly inhibited by Pj too. The N-terminal amino acid sequence of the Pj inhibitor showed homology with the N-terminal amino acid sequence of the Kunitzproteinase inhibitor family. Pj was strongly effective against digestive proteinases from bean weevil Acanthoscelides obtectus and cowpea weevil Callosobruchus maculatus and was moderately active toward midgut proteinases from pod weevil Mimosestes mimosae and Mexican bean weevil Zabrotes subfasciatus. The data shown here suggest that the protein present in algaroba seeds is involved with defense responses to insects and may be an important tool to be used in engineering plants resistant to bean weevils. |
publishDate |
2002 |
dc.date.issued.fl_str_mv |
2002 |
dc.date.accessioned.fl_str_mv |
2016-10-10T03:52:44Z |
dc.date.available.fl_str_mv |
2016-10-10T03:52:44Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
status_str |
publishedVersion |
format |
article |
dc.identifier.citation.fl_str_mv |
OLIVEIRA, Adeliana Silva de et. al. Activity toward bruchid pest of a kunitz-type inhibitor from seeds of the algaroba tree (Prosopis juliflora D. C.). Pesticide Biochemistry and Physiology, v. 72, p. 122-132, 2002. |
dc.identifier.uri.fl_str_mv |
http://twingo.ucb.br:8080/jspui/handle/10869/670 https://repositorio.ucb.br:9443/jspui/handle/123456789/7808 |
identifier_str_mv |
OLIVEIRA, Adeliana Silva de et. al. Activity toward bruchid pest of a kunitz-type inhibitor from seeds of the algaroba tree (Prosopis juliflora D. C.). Pesticide Biochemistry and Physiology, v. 72, p. 122-132, 2002. |
url |
http://twingo.ucb.br:8080/jspui/handle/10869/670 https://repositorio.ucb.br:9443/jspui/handle/123456789/7808 |
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eng |
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eng |
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openAccess |
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Repositório Institucional da UCB |
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