Antioxidative enzymes of Cucumis sativus seeds are modulated by Leucaena leucocephala extracts
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Acta Scientiarum Biological Sciences |
Texto Completo: | http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/34801 |
Resumo: | This study aimed to analyze oxidative stress produced in cucumber seeds and seedlings when exposed to aqueous extract from dried leaves of leucaena, as well as its effect on the germination behavior, early growth and the antioxidant enzymes activity. It was evaluated the percentage, the speed index, the average time, the frequency and germination synchronization, the root length and shoot, as well as the catalase and peroxidase enzymes activity. There was no significant inhibitory effect of the leaf extracts on the germination percentage. However, there was delay in the seeds germination, as the extract proportion increased. A stimulatory effect of the extract compared to the shoot length was observed, however the root growth was significantly reduced. The catalase activities had a peak at 24 hours after soaking the seeds, however, the activities were reduced in seedlings. The peroxidase activity was low in the seeds and increased in the seedlings at 168 hours after immersion. The results suggest that there was oxidative stress due to allelochemicals present in the leaves extracts from leucaena, verified by germination and initial growth changes, causing alterations in the plants rootlets. |
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Acta Scientiarum Biological Sciences |
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Antioxidative enzymes of Cucumis sativus seeds are modulated by Leucaena leucocephala extractsallelopathyreactive oxygen speciesantioxidant enzymes.Fisiologia Vegetal This study aimed to analyze oxidative stress produced in cucumber seeds and seedlings when exposed to aqueous extract from dried leaves of leucaena, as well as its effect on the germination behavior, early growth and the antioxidant enzymes activity. It was evaluated the percentage, the speed index, the average time, the frequency and germination synchronization, the root length and shoot, as well as the catalase and peroxidase enzymes activity. There was no significant inhibitory effect of the leaf extracts on the germination percentage. However, there was delay in the seeds germination, as the extract proportion increased. A stimulatory effect of the extract compared to the shoot length was observed, however the root growth was significantly reduced. The catalase activities had a peak at 24 hours after soaking the seeds, however, the activities were reduced in seedlings. The peroxidase activity was low in the seeds and increased in the seedlings at 168 hours after immersion. The results suggest that there was oxidative stress due to allelochemicals present in the leaves extracts from leucaena, verified by germination and initial growth changes, causing alterations in the plants rootlets. Universidade Estadual De Maringá2017-09-18info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/3480110.4025/actascibiolsci.v39i3.34801Acta Scientiarum. Biological Sciences; Vol 39 No 3 (2017); 373-380Acta Scientiarum. Biological Sciences; v. 39 n. 3 (2017); 373-3801807-863X1679-9283reponame:Acta Scientiarum Biological Sciencesinstname:Universidade Estadual de Maringá (UEM)instacron:UEMenghttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/34801/pdfCopyright (c) 2017 Acta Scientiarum. Biological Sciencesinfo:eu-repo/semantics/openAccessRibeiro, Vandjore de MattosSpiassi, ArianeMarcon, Thaís ReginaLima, Gislaine Piccolo deCorsato, Jaqueline MalaguttiFortes, Andréa Maria Teixeira2022-02-17T22:00:11Zoai:periodicos.uem.br/ojs:article/34801Revistahttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSciPUBhttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/oai||actabiol@uem.br1807-863X1679-9283opendoar:2022-02-17T22:00:11Acta Scientiarum Biological Sciences - Universidade Estadual de Maringá (UEM)false |
dc.title.none.fl_str_mv |
Antioxidative enzymes of Cucumis sativus seeds are modulated by Leucaena leucocephala extracts |
title |
Antioxidative enzymes of Cucumis sativus seeds are modulated by Leucaena leucocephala extracts |
spellingShingle |
Antioxidative enzymes of Cucumis sativus seeds are modulated by Leucaena leucocephala extracts Ribeiro, Vandjore de Mattos allelopathy reactive oxygen species antioxidant enzymes. Fisiologia Vegetal |
title_short |
Antioxidative enzymes of Cucumis sativus seeds are modulated by Leucaena leucocephala extracts |
title_full |
Antioxidative enzymes of Cucumis sativus seeds are modulated by Leucaena leucocephala extracts |
title_fullStr |
Antioxidative enzymes of Cucumis sativus seeds are modulated by Leucaena leucocephala extracts |
title_full_unstemmed |
Antioxidative enzymes of Cucumis sativus seeds are modulated by Leucaena leucocephala extracts |
title_sort |
Antioxidative enzymes of Cucumis sativus seeds are modulated by Leucaena leucocephala extracts |
author |
Ribeiro, Vandjore de Mattos |
author_facet |
Ribeiro, Vandjore de Mattos Spiassi, Ariane Marcon, Thaís Regina Lima, Gislaine Piccolo de Corsato, Jaqueline Malagutti Fortes, Andréa Maria Teixeira |
author_role |
author |
author2 |
Spiassi, Ariane Marcon, Thaís Regina Lima, Gislaine Piccolo de Corsato, Jaqueline Malagutti Fortes, Andréa Maria Teixeira |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Ribeiro, Vandjore de Mattos Spiassi, Ariane Marcon, Thaís Regina Lima, Gislaine Piccolo de Corsato, Jaqueline Malagutti Fortes, Andréa Maria Teixeira |
dc.subject.por.fl_str_mv |
allelopathy reactive oxygen species antioxidant enzymes. Fisiologia Vegetal |
topic |
allelopathy reactive oxygen species antioxidant enzymes. Fisiologia Vegetal |
description |
This study aimed to analyze oxidative stress produced in cucumber seeds and seedlings when exposed to aqueous extract from dried leaves of leucaena, as well as its effect on the germination behavior, early growth and the antioxidant enzymes activity. It was evaluated the percentage, the speed index, the average time, the frequency and germination synchronization, the root length and shoot, as well as the catalase and peroxidase enzymes activity. There was no significant inhibitory effect of the leaf extracts on the germination percentage. However, there was delay in the seeds germination, as the extract proportion increased. A stimulatory effect of the extract compared to the shoot length was observed, however the root growth was significantly reduced. The catalase activities had a peak at 24 hours after soaking the seeds, however, the activities were reduced in seedlings. The peroxidase activity was low in the seeds and increased in the seedlings at 168 hours after immersion. The results suggest that there was oxidative stress due to allelochemicals present in the leaves extracts from leucaena, verified by germination and initial growth changes, causing alterations in the plants rootlets. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-09-18 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/34801 10.4025/actascibiolsci.v39i3.34801 |
url |
http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/34801 |
identifier_str_mv |
10.4025/actascibiolsci.v39i3.34801 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/34801/pdf |
dc.rights.driver.fl_str_mv |
Copyright (c) 2017 Acta Scientiarum. Biological Sciences info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2017 Acta Scientiarum. Biological Sciences |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Estadual De Maringá |
publisher.none.fl_str_mv |
Universidade Estadual De Maringá |
dc.source.none.fl_str_mv |
Acta Scientiarum. Biological Sciences; Vol 39 No 3 (2017); 373-380 Acta Scientiarum. Biological Sciences; v. 39 n. 3 (2017); 373-380 1807-863X 1679-9283 reponame:Acta Scientiarum Biological Sciences instname:Universidade Estadual de Maringá (UEM) instacron:UEM |
instname_str |
Universidade Estadual de Maringá (UEM) |
instacron_str |
UEM |
institution |
UEM |
reponame_str |
Acta Scientiarum Biological Sciences |
collection |
Acta Scientiarum Biological Sciences |
repository.name.fl_str_mv |
Acta Scientiarum Biological Sciences - Universidade Estadual de Maringá (UEM) |
repository.mail.fl_str_mv |
||actabiol@uem.br |
_version_ |
1799317396916273152 |