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Regulatory roles of 24-epibrassinolide in tolerance of Acacia gerrardii Benth to salt stress
This experiment aimed to investigate the role of 24-epibrassinolide (EBL) against NaCl(−)induced salinity stress in Acacia gerrardii Benth. NaCl (200 mM) imparted deleterious effects on the growth and chlorophyll contents of A. gerrardii, but foliar application of EBL (1.0 mg/l; each plant received...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Taylor & Francis
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5972912/ https://www.ncbi.nlm.nih.gov/pubmed/28696140 http://dx.doi.org/10.1080/21655979.2017.1297348 |
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author | Abd_Allah, Elsayed Fathi Alqarawi, A. A. Hashem, Abeer Wirth, Stephan Egamberdieva, Dilfuza |
author_facet | Abd_Allah, Elsayed Fathi Alqarawi, A. A. Hashem, Abeer Wirth, Stephan Egamberdieva, Dilfuza |
author_sort | Abd_Allah, Elsayed Fathi |
collection | PubMed |
description | This experiment aimed to investigate the role of 24-epibrassinolide (EBL) against NaCl(−)induced salinity stress in Acacia gerrardii Benth. NaCl (200 mM) imparted deleterious effects on the growth and chlorophyll contents of A. gerrardii, but foliar application of EBL (1.0 mg/l; each plant received 2.5 ml) mitigated the negative effect considerably. NaCl reduced chlorophyll content but this was significantly ameliorated by the application of EBL. EBL reduced significantly NaCl(−)induced oxidative stress hence protect membranes and also improved the relative water content significantly by 6.6% as compared with control. Nitrate reductase activity declined after NaCl treatment but EBL application sustained its activity under normal and stressed conditions. Exogenous application of EBL significantly improved the activity of superoxide dismutase, catalase and the enzymes of the ascorbate-glutathione pathway thereby protecting the photosynthetic electron transport chain and other metabolic processes in A. gerrardii from NaCl(−)induced oxidative stress. |
format | Online Article Text |
id | pubmed-5972912 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2017 |
publisher | Taylor & Francis |
record_format | MEDLINE/PubMed |
spelling | pubmed-59729122018-11-01 Regulatory roles of 24-epibrassinolide in tolerance of Acacia gerrardii Benth to salt stress Abd_Allah, Elsayed Fathi Alqarawi, A. A. Hashem, Abeer Wirth, Stephan Egamberdieva, Dilfuza Bioengineered Research Paper This experiment aimed to investigate the role of 24-epibrassinolide (EBL) against NaCl(−)induced salinity stress in Acacia gerrardii Benth. NaCl (200 mM) imparted deleterious effects on the growth and chlorophyll contents of A. gerrardii, but foliar application of EBL (1.0 mg/l; each plant received 2.5 ml) mitigated the negative effect considerably. NaCl reduced chlorophyll content but this was significantly ameliorated by the application of EBL. EBL reduced significantly NaCl(−)induced oxidative stress hence protect membranes and also improved the relative water content significantly by 6.6% as compared with control. Nitrate reductase activity declined after NaCl treatment but EBL application sustained its activity under normal and stressed conditions. Exogenous application of EBL significantly improved the activity of superoxide dismutase, catalase and the enzymes of the ascorbate-glutathione pathway thereby protecting the photosynthetic electron transport chain and other metabolic processes in A. gerrardii from NaCl(−)induced oxidative stress. Taylor & Francis 2017-11-01 /pmc/articles/PMC5972912/ /pubmed/28696140 http://dx.doi.org/10.1080/21655979.2017.1297348 Text en © 2018 The Author(s). Published with license by Taylor & Francis http://creativecommons.org/licenses/by/4.0/ This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Research Paper Abd_Allah, Elsayed Fathi Alqarawi, A. A. Hashem, Abeer Wirth, Stephan Egamberdieva, Dilfuza Regulatory roles of 24-epibrassinolide in tolerance of Acacia gerrardii Benth to salt stress |
title | Regulatory roles of 24-epibrassinolide in tolerance of Acacia gerrardii Benth to salt stress |
title_full | Regulatory roles of 24-epibrassinolide in tolerance of Acacia gerrardii Benth to salt stress |
title_fullStr | Regulatory roles of 24-epibrassinolide in tolerance of Acacia gerrardii Benth to salt stress |
title_full_unstemmed | Regulatory roles of 24-epibrassinolide in tolerance of Acacia gerrardii Benth to salt stress |
title_short | Regulatory roles of 24-epibrassinolide in tolerance of Acacia gerrardii Benth to salt stress |
title_sort | regulatory roles of 24-epibrassinolide in tolerance of acacia gerrardii benth to salt stress |
topic | Research Paper |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5972912/ https://www.ncbi.nlm.nih.gov/pubmed/28696140 http://dx.doi.org/10.1080/21655979.2017.1297348 |
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