A Novel Heat Shock Transcription Factor (<i>ZmHsf08</i>) Negatively Regulates Salt and Drought Stress Responses in Maize

Heat shock transcription factors (HSFs) play important roles in plant growth, development, and stress responses. However, the function of these transcription factors in abiotic stress responses in maize (<i>Zea mays</i>) remains largely unknown. In this study, we characterized a novel HS...

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Autores principales:	Jing Wang, Li Chen, Yun Long, Weina Si, Beijiu Cheng, Haiyang Jiang
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	maize <i>ZmHsf08</i> transcription factor salt stress drought stress Biology (General) QH301-705.5 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/779f17ee536b4c4fb0392df49e239e29
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spelling	oai:doaj.org-article:779f17ee536b4c4fb0392df49e239e292021-11-11T17:20:25ZA Novel Heat Shock Transcription Factor (<i>ZmHsf08</i>) Negatively Regulates Salt and Drought Stress Responses in Maize10.3390/ijms2221119221422-00671661-6596https://doaj.org/article/779f17ee536b4c4fb0392df49e239e292021-11-01T00:00:00Zhttps://www.mdpi.com/1422-0067/22/21/11922https://doaj.org/toc/1661-6596https://doaj.org/toc/1422-0067Heat shock transcription factors (HSFs) play important roles in plant growth, development, and stress responses. However, the function of these transcription factors in abiotic stress responses in maize (<i>Zea mays</i>) remains largely unknown. In this study, we characterized a novel HSF transcription factor gene, <i>ZmHsf08</i>, from maize. <i>ZmHsf08</i> was highly homologous to SbHsfB1, BdHsfB1, and OsHsfB1, and has no transcriptional activation activity. The expression profiles demonstrated that <i>ZmHsf08</i> was differentially expressed in various organs of maize and was induced by salt, drought, and abscisic acid (ABA) treatment. Moreover, the overexpression of <i>ZmHsf08</i> in maize resulted in enhanced sensitivity to salt and drought stresses, displaying lower survival rates, higher reactive oxygen species (ROS) levels, and increased malondialdehyde (MDA) contents compared with wild-type (WT) plants. Furthermore, RT-qPCR analyses revealed that <i>ZmHsf08</i> negatively regulates a number of stress/ABA-responsive genes under salt and drought stress conditions. Collectively, these results indicate that <i>ZmHsf08</i> plays a negative role in response to salt and drought stresses in maize.Jing WangLi ChenYun LongWeina SiBeijiu ChengHaiyang JiangMDPI AGarticlemaize<i>ZmHsf08</i>transcription factorsalt stressdrought stressBiology (General)QH301-705.5ChemistryQD1-999ENInternational Journal of Molecular Sciences, Vol 22, Iss 11922, p 11922 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	maize <i>ZmHsf08</i> transcription factor salt stress drought stress Biology (General) QH301-705.5 Chemistry QD1-999
spellingShingle	maize <i>ZmHsf08</i> transcription factor salt stress drought stress Biology (General) QH301-705.5 Chemistry QD1-999 Jing Wang Li Chen Yun Long Weina Si Beijiu Cheng Haiyang Jiang A Novel Heat Shock Transcription Factor (<i>ZmHsf08</i>) Negatively Regulates Salt and Drought Stress Responses in Maize
description	Heat shock transcription factors (HSFs) play important roles in plant growth, development, and stress responses. However, the function of these transcription factors in abiotic stress responses in maize (<i>Zea mays</i>) remains largely unknown. In this study, we characterized a novel HSF transcription factor gene, <i>ZmHsf08</i>, from maize. <i>ZmHsf08</i> was highly homologous to SbHsfB1, BdHsfB1, and OsHsfB1, and has no transcriptional activation activity. The expression profiles demonstrated that <i>ZmHsf08</i> was differentially expressed in various organs of maize and was induced by salt, drought, and abscisic acid (ABA) treatment. Moreover, the overexpression of <i>ZmHsf08</i> in maize resulted in enhanced sensitivity to salt and drought stresses, displaying lower survival rates, higher reactive oxygen species (ROS) levels, and increased malondialdehyde (MDA) contents compared with wild-type (WT) plants. Furthermore, RT-qPCR analyses revealed that <i>ZmHsf08</i> negatively regulates a number of stress/ABA-responsive genes under salt and drought stress conditions. Collectively, these results indicate that <i>ZmHsf08</i> plays a negative role in response to salt and drought stresses in maize.
format	article
author	Jing Wang Li Chen Yun Long Weina Si Beijiu Cheng Haiyang Jiang
author_facet	Jing Wang Li Chen Yun Long Weina Si Beijiu Cheng Haiyang Jiang
author_sort	Jing Wang
title	A Novel Heat Shock Transcription Factor (<i>ZmHsf08</i>) Negatively Regulates Salt and Drought Stress Responses in Maize
title_short	A Novel Heat Shock Transcription Factor (<i>ZmHsf08</i>) Negatively Regulates Salt and Drought Stress Responses in Maize
title_full	A Novel Heat Shock Transcription Factor (<i>ZmHsf08</i>) Negatively Regulates Salt and Drought Stress Responses in Maize
title_fullStr	A Novel Heat Shock Transcription Factor (<i>ZmHsf08</i>) Negatively Regulates Salt and Drought Stress Responses in Maize
title_full_unstemmed	A Novel Heat Shock Transcription Factor (<i>ZmHsf08</i>) Negatively Regulates Salt and Drought Stress Responses in Maize
title_sort	novel heat shock transcription factor (<i>zmhsf08</i>) negatively regulates salt and drought stress responses in maize
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/779f17ee536b4c4fb0392df49e239e29
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A Novel Heat Shock Transcription Factor (<i>ZmHsf08</i>) Negatively Regulates Salt and Drought Stress Responses in Maize

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