Effects of soybean Kunitz trypsin inhibitor on the cotton boll weevil (Anthonomus grandis)
Autor(a) principal: | |
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Data de Publicação: | 2004 |
Outros Autores: | , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UCB |
Texto Completo: | http://twingo.ucb.br:8080/jspui/handle/10869/412 https://repositorio.ucb.br:9443/jspui/handle/123456789/7561 |
Resumo: | The cotton boll weevil, Anthonomus grandis, is an economically important pest of cotton in tropical and subtropical areas of several countries in the Americas, causing severe losses due to their damage in cotton floral buds. Enzymatic assays using gut extracts from larval and adult boll weevil have demonstrated the presence of digestive serine proteinase-like activities. Furthermore, in vitro assays showed that soybean Kunitz trypsin inhibitor (SKTI) was able to inhibit these enzymes. Previously, in vivo effects of black-eyed pea trypsin chymotrypsin inhibitor (BTCI) have been demonstrated towards the boll weevil pest. Here, when neonate larvae were reared on an artificial diet containing SKTI at three different concentrations, a reduction of larval weight of up to 64% was observed for highest SKTI concentration 500 mM. The presence of SKTI caused an increase in mortality and severe deformities of larvae, pupae and adult insects. This work therefore represents the first observation of a Kunitz trypsin inhibitor active in vivo and in vitro against A. grandis. Bioassays suggested that SKTI could be used as a tool in engineering crop plants, which might exhibit increased resistance against cotton boll weevil. |
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Franco, Octávio L.Dias, Simoni C.Magalhães, Claudio P.Monteiro, Ana C. S.Bloch Jr., CarlosMelo, Francislete R.Oliveira-Neto, Osmundo B.Monnerat, Rose G.Grossi-de-Sá, Maria Fátima2016-10-10T03:51:53Z2016-10-10T03:51:53Z2004FRANCO, Octávio L. et al. Effects of soybean Kunitz trypsin inhibitor on the cotton boll weevil (Anthonomus grandis). Phytochemistry, v.65, n.1, p. 81-89, 2004.319422http://twingo.ucb.br:8080/jspui/handle/10869/412https://repositorio.ucb.br:9443/jspui/handle/123456789/7561The cotton boll weevil, Anthonomus grandis, is an economically important pest of cotton in tropical and subtropical areas of several countries in the Americas, causing severe losses due to their damage in cotton floral buds. Enzymatic assays using gut extracts from larval and adult boll weevil have demonstrated the presence of digestive serine proteinase-like activities. Furthermore, in vitro assays showed that soybean Kunitz trypsin inhibitor (SKTI) was able to inhibit these enzymes. Previously, in vivo effects of black-eyed pea trypsin chymotrypsin inhibitor (BTCI) have been demonstrated towards the boll weevil pest. Here, when neonate larvae were reared on an artificial diet containing SKTI at three different concentrations, a reduction of larval weight of up to 64% was observed for highest SKTI concentration 500 mM. The presence of SKTI caused an increase in mortality and severe deformities of larvae, pupae and adult insects. This work therefore represents the first observation of a Kunitz trypsin inhibitor active in vivo and in vitro against A. grandis. Bioassays suggested that SKTI could be used as a tool in engineering crop plants, which might exhibit increased resistance against cotton boll weevil.Made available in DSpace on 2016-10-10T03:51:53Z (GMT). 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dc.title.pt_BR.fl_str_mv |
Effects of soybean Kunitz trypsin inhibitor on the cotton boll weevil (Anthonomus grandis) |
title |
Effects of soybean Kunitz trypsin inhibitor on the cotton boll weevil (Anthonomus grandis) |
spellingShingle |
Effects of soybean Kunitz trypsin inhibitor on the cotton boll weevil (Anthonomus grandis) Franco, Octávio L. Cotton Anthonomus grandis Kunitz trypsin inhibitor Serine proteinases Soybean |
title_short |
Effects of soybean Kunitz trypsin inhibitor on the cotton boll weevil (Anthonomus grandis) |
title_full |
Effects of soybean Kunitz trypsin inhibitor on the cotton boll weevil (Anthonomus grandis) |
title_fullStr |
Effects of soybean Kunitz trypsin inhibitor on the cotton boll weevil (Anthonomus grandis) |
title_full_unstemmed |
Effects of soybean Kunitz trypsin inhibitor on the cotton boll weevil (Anthonomus grandis) |
title_sort |
Effects of soybean Kunitz trypsin inhibitor on the cotton boll weevil (Anthonomus grandis) |
author |
Franco, Octávio L. |
author_facet |
Franco, Octávio L. Dias, Simoni C. Magalhães, Claudio P. Monteiro, Ana C. S. Bloch Jr., Carlos Melo, Francislete R. Oliveira-Neto, Osmundo B. Monnerat, Rose G. Grossi-de-Sá, Maria Fátima |
author_role |
author |
author2 |
Dias, Simoni C. Magalhães, Claudio P. Monteiro, Ana C. S. Bloch Jr., Carlos Melo, Francislete R. Oliveira-Neto, Osmundo B. Monnerat, Rose G. Grossi-de-Sá, Maria Fátima |
author2_role |
author author author author author author author author |
dc.contributor.author.fl_str_mv |
Franco, Octávio L. Dias, Simoni C. Magalhães, Claudio P. Monteiro, Ana C. S. Bloch Jr., Carlos Melo, Francislete R. Oliveira-Neto, Osmundo B. Monnerat, Rose G. Grossi-de-Sá, Maria Fátima |
dc.subject.por.fl_str_mv |
Cotton Anthonomus grandis Kunitz trypsin inhibitor Serine proteinases Soybean |
topic |
Cotton Anthonomus grandis Kunitz trypsin inhibitor Serine proteinases Soybean |
dc.description.abstract.por.fl_txt_mv |
The cotton boll weevil, Anthonomus grandis, is an economically important pest of cotton in tropical and subtropical areas of several countries in the Americas, causing severe losses due to their damage in cotton floral buds. Enzymatic assays using gut extracts from larval and adult boll weevil have demonstrated the presence of digestive serine proteinase-like activities. Furthermore, in vitro assays showed that soybean Kunitz trypsin inhibitor (SKTI) was able to inhibit these enzymes. Previously, in vivo effects of black-eyed pea trypsin chymotrypsin inhibitor (BTCI) have been demonstrated towards the boll weevil pest. Here, when neonate larvae were reared on an artificial diet containing SKTI at three different concentrations, a reduction of larval weight of up to 64% was observed for highest SKTI concentration 500 mM. The presence of SKTI caused an increase in mortality and severe deformities of larvae, pupae and adult insects. This work therefore represents the first observation of a Kunitz trypsin inhibitor active in vivo and in vitro against A. grandis. Bioassays suggested that SKTI could be used as a tool in engineering crop plants, which might exhibit increased resistance against cotton boll weevil. |
dc.description.version.pt_BR.fl_txt_mv |
Sim |
dc.description.status.pt_BR.fl_txt_mv |
Publicado |
description |
The cotton boll weevil, Anthonomus grandis, is an economically important pest of cotton in tropical and subtropical areas of several countries in the Americas, causing severe losses due to their damage in cotton floral buds. Enzymatic assays using gut extracts from larval and adult boll weevil have demonstrated the presence of digestive serine proteinase-like activities. Furthermore, in vitro assays showed that soybean Kunitz trypsin inhibitor (SKTI) was able to inhibit these enzymes. Previously, in vivo effects of black-eyed pea trypsin chymotrypsin inhibitor (BTCI) have been demonstrated towards the boll weevil pest. Here, when neonate larvae were reared on an artificial diet containing SKTI at three different concentrations, a reduction of larval weight of up to 64% was observed for highest SKTI concentration 500 mM. The presence of SKTI caused an increase in mortality and severe deformities of larvae, pupae and adult insects. This work therefore represents the first observation of a Kunitz trypsin inhibitor active in vivo and in vitro against A. grandis. Bioassays suggested that SKTI could be used as a tool in engineering crop plants, which might exhibit increased resistance against cotton boll weevil. |
publishDate |
2004 |
dc.date.issued.fl_str_mv |
2004 |
dc.date.accessioned.fl_str_mv |
2016-10-10T03:51:53Z |
dc.date.available.fl_str_mv |
2016-10-10T03:51:53Z |
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 |
FRANCO, Octávio L. et al. Effects of soybean Kunitz trypsin inhibitor on the cotton boll weevil (Anthonomus grandis). Phytochemistry, v.65, n.1, p. 81-89, 2004. |
dc.identifier.uri.fl_str_mv |
http://twingo.ucb.br:8080/jspui/handle/10869/412 https://repositorio.ucb.br:9443/jspui/handle/123456789/7561 |
dc.identifier.issn.none.fl_str_mv |
319422 |
identifier_str_mv |
FRANCO, Octávio L. et al. Effects of soybean Kunitz trypsin inhibitor on the cotton boll weevil (Anthonomus grandis). Phytochemistry, v.65, n.1, p. 81-89, 2004. 319422 |
url |
http://twingo.ucb.br:8080/jspui/handle/10869/412 https://repositorio.ucb.br:9443/jspui/handle/123456789/7561 |
dc.language.iso.fl_str_mv |
eng |
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eng |
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Restrito UCB info:eu-repo/semantics/openAccess |
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Restrito UCB |
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openAccess |
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Texto |
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