Expression profile of oxidative and antioxidative stress enzymes based on ESTs approach of citrus
Autor(a) principal: | |
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Data de Publicação: | 2007 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Genetics and Molecular Biology |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572007000500016 |
Resumo: | Plants not only evolve but also reduce oxygen in photosynthesis. An inevitable consequence of this normal process is the production of reactive oxygen species (ROS). Plants are adequately protected by the presence of multiple antioxidative enzymes in the cytosol and also in the different cell organelles such as chloroplasts, mitochondria, and peroxisomes. Traditionally, ROS were considered to be only a toxic byproduct of aerobic metabolism. However, recently it has become apparent that plants actively produce these molecules which may control many different physiological processes such as abiotic and biotic stress response, pathogen defense and systemic signaling. The search results using the Citrus Genome Program in Brazil (CitEST) for oxidative stress and the antioxidant enzyme system in Citrus Sinensis variety Pera IAC indicated that the multiple ROS-scavenging enzymes were expressed throughout all citrus tissues. The analyses demonstrated the ubiquitous expression of metallothioneins, probably indicating a constitutive expression pattern. Oxalate oxidase has been identified as the most abundant expressed gene in developing fruits, which suggests a specific function in the ripening of citrus fruit. Moreover, infected leaves with Xylella fastidiosa and Leprosis citri showed a massive change in their ROS gene expression profile which may indicate that the suppression of ROS detoxifying mechanisms may be involved in the induction of the diseases. |
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Genetics and Molecular Biology |
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Expression profile of oxidative and antioxidative stress enzymes based on ESTs approach of citruscitrusgenomeESTreactive oxygen speciesoxidative stress enzymePlants not only evolve but also reduce oxygen in photosynthesis. An inevitable consequence of this normal process is the production of reactive oxygen species (ROS). Plants are adequately protected by the presence of multiple antioxidative enzymes in the cytosol and also in the different cell organelles such as chloroplasts, mitochondria, and peroxisomes. Traditionally, ROS were considered to be only a toxic byproduct of aerobic metabolism. However, recently it has become apparent that plants actively produce these molecules which may control many different physiological processes such as abiotic and biotic stress response, pathogen defense and systemic signaling. The search results using the Citrus Genome Program in Brazil (CitEST) for oxidative stress and the antioxidant enzyme system in Citrus Sinensis variety Pera IAC indicated that the multiple ROS-scavenging enzymes were expressed throughout all citrus tissues. The analyses demonstrated the ubiquitous expression of metallothioneins, probably indicating a constitutive expression pattern. Oxalate oxidase has been identified as the most abundant expressed gene in developing fruits, which suggests a specific function in the ripening of citrus fruit. Moreover, infected leaves with Xylella fastidiosa and Leprosis citri showed a massive change in their ROS gene expression profile which may indicate that the suppression of ROS detoxifying mechanisms may be involved in the induction of the diseases.Sociedade Brasileira de Genética2007-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572007000500016Genetics and Molecular Biology v.30 n.3 suppl.0 2007reponame:Genetics and Molecular Biologyinstname:Sociedade Brasileira de Genética (SBG)instacron:SBG10.1590/S1415-47572007000500016info:eu-repo/semantics/openAccessPeroni,Luis AntonioFerreira,Renato RodriguesFigueira,AntonioMachado,Marcos AntonioStach-Machado,Dagmar Rutheng2007-11-06T00:00:00Zoai:scielo:S1415-47572007000500016Revistahttp://www.gmb.org.br/ONGhttps://old.scielo.br/oai/scielo-oai.php||editor@gmb.org.br1678-46851415-4757opendoar:2007-11-06T00:00Genetics and Molecular Biology - Sociedade Brasileira de Genética (SBG)false |
dc.title.none.fl_str_mv |
Expression profile of oxidative and antioxidative stress enzymes based on ESTs approach of citrus |
title |
Expression profile of oxidative and antioxidative stress enzymes based on ESTs approach of citrus |
spellingShingle |
Expression profile of oxidative and antioxidative stress enzymes based on ESTs approach of citrus Peroni,Luis Antonio citrus genome EST reactive oxygen species oxidative stress enzyme |
title_short |
Expression profile of oxidative and antioxidative stress enzymes based on ESTs approach of citrus |
title_full |
Expression profile of oxidative and antioxidative stress enzymes based on ESTs approach of citrus |
title_fullStr |
Expression profile of oxidative and antioxidative stress enzymes based on ESTs approach of citrus |
title_full_unstemmed |
Expression profile of oxidative and antioxidative stress enzymes based on ESTs approach of citrus |
title_sort |
Expression profile of oxidative and antioxidative stress enzymes based on ESTs approach of citrus |
author |
Peroni,Luis Antonio |
author_facet |
Peroni,Luis Antonio Ferreira,Renato Rodrigues Figueira,Antonio Machado,Marcos Antonio Stach-Machado,Dagmar Ruth |
author_role |
author |
author2 |
Ferreira,Renato Rodrigues Figueira,Antonio Machado,Marcos Antonio Stach-Machado,Dagmar Ruth |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Peroni,Luis Antonio Ferreira,Renato Rodrigues Figueira,Antonio Machado,Marcos Antonio Stach-Machado,Dagmar Ruth |
dc.subject.por.fl_str_mv |
citrus genome EST reactive oxygen species oxidative stress enzyme |
topic |
citrus genome EST reactive oxygen species oxidative stress enzyme |
description |
Plants not only evolve but also reduce oxygen in photosynthesis. An inevitable consequence of this normal process is the production of reactive oxygen species (ROS). Plants are adequately protected by the presence of multiple antioxidative enzymes in the cytosol and also in the different cell organelles such as chloroplasts, mitochondria, and peroxisomes. Traditionally, ROS were considered to be only a toxic byproduct of aerobic metabolism. However, recently it has become apparent that plants actively produce these molecules which may control many different physiological processes such as abiotic and biotic stress response, pathogen defense and systemic signaling. The search results using the Citrus Genome Program in Brazil (CitEST) for oxidative stress and the antioxidant enzyme system in Citrus Sinensis variety Pera IAC indicated that the multiple ROS-scavenging enzymes were expressed throughout all citrus tissues. The analyses demonstrated the ubiquitous expression of metallothioneins, probably indicating a constitutive expression pattern. Oxalate oxidase has been identified as the most abundant expressed gene in developing fruits, which suggests a specific function in the ripening of citrus fruit. Moreover, infected leaves with Xylella fastidiosa and Leprosis citri showed a massive change in their ROS gene expression profile which may indicate that the suppression of ROS detoxifying mechanisms may be involved in the induction of the diseases. |
publishDate |
2007 |
dc.date.none.fl_str_mv |
2007-01-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572007000500016 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572007000500016 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/S1415-47572007000500016 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Genética |
publisher.none.fl_str_mv |
Sociedade Brasileira de Genética |
dc.source.none.fl_str_mv |
Genetics and Molecular Biology v.30 n.3 suppl.0 2007 reponame:Genetics and Molecular Biology instname:Sociedade Brasileira de Genética (SBG) instacron:SBG |
instname_str |
Sociedade Brasileira de Genética (SBG) |
instacron_str |
SBG |
institution |
SBG |
reponame_str |
Genetics and Molecular Biology |
collection |
Genetics and Molecular Biology |
repository.name.fl_str_mv |
Genetics and Molecular Biology - Sociedade Brasileira de Genética (SBG) |
repository.mail.fl_str_mv |
||editor@gmb.org.br |
_version_ |
1752122380733382656 |