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OsPP2C09 Is a Bifunctional Regulator in Both ABA-Dependent and Independent Abiotic Stress Signaling Pathways
Clade A Type 2C protein phosphatases (PP2CAs) negatively regulate abscisic acid (ABA) signaling and have diverse functions in plant development and in response to various stresses. In this study, we showed that overexpression of the rice ABA receptor OsPYL/RCAR3 reduces the growth retardation observ...
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Published in: | International journal of molecular sciences 2021-01, Vol.22 (1), p.393 |
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description | Clade A Type 2C protein phosphatases (PP2CAs) negatively regulate abscisic acid (ABA) signaling and have diverse functions in plant development and in response to various stresses. In this study, we showed that overexpression of the rice ABA receptor OsPYL/RCAR3 reduces the growth retardation observed in plants exposed to osmotic stress. By contrast, overexpression of the OsPYL/RCAR3-interacting protein OsPP2C09 rendered plant growth more sensitive to osmotic stress. We tested whether OsPP2CAs activate an ABA-independent signaling cascade by transfecting rice protoplasts with luciferase reporters containing the drought-responsive element (DRE) or ABA-responsive element (ABRE). We observed that OsPP2CAs activated gene expression via the cis-acting drought-responsive element. In agreement with this observation, transcriptome analysis of plants overexpressing OsPP2C09 indicated that OsPP2C09 induces the expression of genes whose promoters contain DREs. Further analysis showed that OsPP2C09 interacts with DRE-binding (DREB) transcription factors and activates reporters containing DRE. We conclude that, through activating DRE-containing promoters, OsPP2C09 positively regulates the drought response regulon and activates an ABA-independent signaling pathway. |
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In this study, we showed that overexpression of the rice ABA receptor OsPYL/RCAR3 reduces the growth retardation observed in plants exposed to osmotic stress. By contrast, overexpression of the OsPYL/RCAR3-interacting protein OsPP2C09 rendered plant growth more sensitive to osmotic stress. We tested whether OsPP2CAs activate an ABA-independent signaling cascade by transfecting rice protoplasts with luciferase reporters containing the drought-responsive element (DRE) or ABA-responsive element (ABRE). We observed that OsPP2CAs activated gene expression via the cis-acting drought-responsive element. In agreement with this observation, transcriptome analysis of plants overexpressing OsPP2C09 indicated that OsPP2C09 induces the expression of genes whose promoters contain DREs. Further analysis showed that OsPP2C09 interacts with DRE-binding (DREB) transcription factors and activates reporters containing DRE. We conclude that, through activating DRE-containing promoters, OsPP2C09 positively regulates the drought response regulon and activates an ABA-independent signaling pathway.</description><identifier>ISSN: 1422-0067</identifier><identifier>ISSN: 1661-6596</identifier><identifier>EISSN: 1422-0067</identifier><identifier>DOI: 10.3390/ijms22010393</identifier><identifier>PMID: 33401385</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>aba-dependent/independent pathway ; Abiotic stress ; Abscisic acid ; Abscisic Acid - metabolism ; Deoxyribonucleic acid ; DNA ; dreb regulation ; Drought ; Droughts ; Gene expression ; Gene Expression Regulation, Plant ; Growth rate ; Kinases ; Oryza - enzymology ; Oryza - genetics ; Oryza - physiology ; Osmosis ; Osmotic Pressure ; Osmotic stress ; Phosphorylation ; Plant Proteins - metabolism ; Plant Proteins - physiology ; Polyethylene glycol ; PP2CAS bifunction ; Promoters ; Protein Phosphatase 2C - metabolism ; Protein Phosphatase 2C - physiology ; Proteins ; Protoplasts ; Regulatory sequences ; Rice ; Seeds ; Signal Transduction ; Stress, Physiological ; Transcription factors ; Transcriptomes</subject><ispartof>International journal of molecular sciences, 2021-01, Vol.22 (1), p.393</ispartof><rights>2021. This work is licensed under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2021 by the authors. 2021</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c478t-ef0567db3e79054776857e1a3d239870ef92b95ea41d687c596831259dfd4a753</citedby><cites>FETCH-LOGICAL-c478t-ef0567db3e79054776857e1a3d239870ef92b95ea41d687c596831259dfd4a753</cites><orcidid>0000-0003-0427-5901 ; 0000-0001-7240-6171</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.proquest.com/docview/2475605667/fulltextPDF?pq-origsite=primo$$EPDF$$P50$$Gproquest$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/2475605667?pq-origsite=primo$$EHTML$$P50$$Gproquest$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,885,25753,27924,27925,37012,37013,44590,53791,53793,75126</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33401385$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Min, Myung Ki</creatorcontrib><creatorcontrib>Kim, Rigyeong</creatorcontrib><creatorcontrib>Hong, Woo-Jong</creatorcontrib><creatorcontrib>Jung, Ki-Hong</creatorcontrib><creatorcontrib>Lee, Jong-Yeol</creatorcontrib><creatorcontrib>Kim, Beom-Gi</creatorcontrib><title>OsPP2C09 Is a Bifunctional Regulator in Both ABA-Dependent and Independent Abiotic Stress Signaling Pathways</title><title>International journal of molecular sciences</title><addtitle>Int J Mol Sci</addtitle><description>Clade A Type 2C protein phosphatases (PP2CAs) negatively regulate abscisic acid (ABA) signaling and have diverse functions in plant development and in response to various stresses. In this study, we showed that overexpression of the rice ABA receptor OsPYL/RCAR3 reduces the growth retardation observed in plants exposed to osmotic stress. By contrast, overexpression of the OsPYL/RCAR3-interacting protein OsPP2C09 rendered plant growth more sensitive to osmotic stress. We tested whether OsPP2CAs activate an ABA-independent signaling cascade by transfecting rice protoplasts with luciferase reporters containing the drought-responsive element (DRE) or ABA-responsive element (ABRE). We observed that OsPP2CAs activated gene expression via the cis-acting drought-responsive element. In agreement with this observation, transcriptome analysis of plants overexpressing OsPP2C09 indicated that OsPP2C09 induces the expression of genes whose promoters contain DREs. Further analysis showed that OsPP2C09 interacts with DRE-binding (DREB) transcription factors and activates reporters containing DRE. We conclude that, through activating DRE-containing promoters, OsPP2C09 positively regulates the drought response regulon and activates an ABA-independent signaling pathway.</description><subject>aba-dependent/independent pathway</subject><subject>Abiotic stress</subject><subject>Abscisic acid</subject><subject>Abscisic Acid - metabolism</subject><subject>Deoxyribonucleic acid</subject><subject>DNA</subject><subject>dreb regulation</subject><subject>Drought</subject><subject>Droughts</subject><subject>Gene expression</subject><subject>Gene Expression Regulation, Plant</subject><subject>Growth rate</subject><subject>Kinases</subject><subject>Oryza - enzymology</subject><subject>Oryza - genetics</subject><subject>Oryza - physiology</subject><subject>Osmosis</subject><subject>Osmotic Pressure</subject><subject>Osmotic stress</subject><subject>Phosphorylation</subject><subject>Plant Proteins - metabolism</subject><subject>Plant Proteins - physiology</subject><subject>Polyethylene glycol</subject><subject>PP2CAS bifunction</subject><subject>Promoters</subject><subject>Protein Phosphatase 2C - metabolism</subject><subject>Protein Phosphatase 2C - physiology</subject><subject>Proteins</subject><subject>Protoplasts</subject><subject>Regulatory sequences</subject><subject>Rice</subject><subject>Seeds</subject><subject>Signal Transduction</subject><subject>Stress, Physiological</subject><subject>Transcription factors</subject><subject>Transcriptomes</subject><issn>1422-0067</issn><issn>1661-6596</issn><issn>1422-0067</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>PIMPY</sourceid><sourceid>DOA</sourceid><recordid>eNpdkstvEzEQh1cIREvhxhlZ4sKBBb8fF6QkvCJVakThbHnXsxtHm3Wwd0H97zGkrVJOHtufPs1vNFX1kuB3jBn8Puz2mVJMMDPsUXVOOKU1xlI9PqnPqmc57zCmjArztDpjjGPCtDivhqu82dAVNmidkUPL0M1jO4U4ugF9g34e3BQTCiNaxmmLFstF_REOMHoYJ-RGj9alvLsvmhCn0KLrKUHO6Dr0xRLGHm3ctP3tbvLz6knnhgwvbs-L6sfnT99XX-vLqy_r1eKybrnSUw0dFlL5hoEyWHClpBYKiGOeMqMVhs7QxghwnHipVSuM1IyUZL7z3CnBLqr10euj29lDCnuXbmx0wf57iKm3LpVOB7CmwY3E2netJlyD0Y0xwCV3spOqgaa4Phxdh7nZg29L0OSGB9KHP2PY2j7-skoZoRkvgje3ghR_zpAnuw-5hWFwI8Q5W8qVEIyUkAV9_R-6i3MqQzxSsoxFqkK9PVJtijkn6O6bIdj-XQl7uhIFf3Ua4B6-2wH2B3oxsLY</recordid><startdate>20210101</startdate><enddate>20210101</enddate><creator>Min, Myung Ki</creator><creator>Kim, Rigyeong</creator><creator>Hong, Woo-Jong</creator><creator>Jung, Ki-Hong</creator><creator>Lee, Jong-Yeol</creator><creator>Kim, Beom-Gi</creator><general>MDPI AG</general><general>MDPI</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8G5</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>K9.</scope><scope>M0S</scope><scope>M1P</scope><scope>M2O</scope><scope>MBDVC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>Q9U</scope><scope>7X8</scope><scope>5PM</scope><scope>DOA</scope><orcidid>https://orcid.org/0000-0003-0427-5901</orcidid><orcidid>https://orcid.org/0000-0001-7240-6171</orcidid></search><sort><creationdate>20210101</creationdate><title>OsPP2C09 Is a Bifunctional Regulator in Both ABA-Dependent and Independent Abiotic Stress Signaling Pathways</title><author>Min, Myung Ki ; Kim, Rigyeong ; Hong, Woo-Jong ; Jung, Ki-Hong ; Lee, Jong-Yeol ; Kim, Beom-Gi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c478t-ef0567db3e79054776857e1a3d239870ef92b95ea41d687c596831259dfd4a753</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>aba-dependent/independent pathway</topic><topic>Abiotic stress</topic><topic>Abscisic acid</topic><topic>Abscisic Acid - metabolism</topic><topic>Deoxyribonucleic acid</topic><topic>DNA</topic><topic>dreb regulation</topic><topic>Drought</topic><topic>Droughts</topic><topic>Gene expression</topic><topic>Gene Expression Regulation, Plant</topic><topic>Growth rate</topic><topic>Kinases</topic><topic>Oryza - enzymology</topic><topic>Oryza - genetics</topic><topic>Oryza - physiology</topic><topic>Osmosis</topic><topic>Osmotic Pressure</topic><topic>Osmotic stress</topic><topic>Phosphorylation</topic><topic>Plant Proteins - metabolism</topic><topic>Plant Proteins - physiology</topic><topic>Polyethylene glycol</topic><topic>PP2CAS bifunction</topic><topic>Promoters</topic><topic>Protein Phosphatase 2C - metabolism</topic><topic>Protein Phosphatase 2C - physiology</topic><topic>Proteins</topic><topic>Protoplasts</topic><topic>Regulatory sequences</topic><topic>Rice</topic><topic>Seeds</topic><topic>Signal Transduction</topic><topic>Stress, Physiological</topic><topic>Transcription factors</topic><topic>Transcriptomes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Min, Myung Ki</creatorcontrib><creatorcontrib>Kim, Rigyeong</creatorcontrib><creatorcontrib>Hong, Woo-Jong</creatorcontrib><creatorcontrib>Jung, Ki-Hong</creatorcontrib><creatorcontrib>Lee, Jong-Yeol</creatorcontrib><creatorcontrib>Kim, Beom-Gi</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest Central</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>ProQuest research library</collection><collection>Research Library (Corporate)</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>ProQuest Central Basic</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>International journal of molecular sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Min, Myung Ki</au><au>Kim, Rigyeong</au><au>Hong, Woo-Jong</au><au>Jung, Ki-Hong</au><au>Lee, Jong-Yeol</au><au>Kim, Beom-Gi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>OsPP2C09 Is a Bifunctional Regulator in Both ABA-Dependent and Independent Abiotic Stress Signaling Pathways</atitle><jtitle>International journal of molecular sciences</jtitle><addtitle>Int J Mol Sci</addtitle><date>2021-01-01</date><risdate>2021</risdate><volume>22</volume><issue>1</issue><spage>393</spage><pages>393-</pages><issn>1422-0067</issn><issn>1661-6596</issn><eissn>1422-0067</eissn><abstract>Clade A Type 2C protein phosphatases (PP2CAs) negatively regulate abscisic acid (ABA) signaling and have diverse functions in plant development and in response to various stresses. In this study, we showed that overexpression of the rice ABA receptor OsPYL/RCAR3 reduces the growth retardation observed in plants exposed to osmotic stress. By contrast, overexpression of the OsPYL/RCAR3-interacting protein OsPP2C09 rendered plant growth more sensitive to osmotic stress. We tested whether OsPP2CAs activate an ABA-independent signaling cascade by transfecting rice protoplasts with luciferase reporters containing the drought-responsive element (DRE) or ABA-responsive element (ABRE). We observed that OsPP2CAs activated gene expression via the cis-acting drought-responsive element. In agreement with this observation, transcriptome analysis of plants overexpressing OsPP2C09 indicated that OsPP2C09 induces the expression of genes whose promoters contain DREs. Further analysis showed that OsPP2C09 interacts with DRE-binding (DREB) transcription factors and activates reporters containing DRE. We conclude that, through activating DRE-containing promoters, OsPP2C09 positively regulates the drought response regulon and activates an ABA-independent signaling pathway.</abstract><cop>Switzerland</cop><pub>MDPI AG</pub><pmid>33401385</pmid><doi>10.3390/ijms22010393</doi><orcidid>https://orcid.org/0000-0003-0427-5901</orcidid><orcidid>https://orcid.org/0000-0001-7240-6171</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | aba-dependent/independent pathway Abiotic stress Abscisic acid Abscisic Acid - metabolism Deoxyribonucleic acid DNA dreb regulation Drought Droughts Gene expression Gene Expression Regulation, Plant Growth rate Kinases Oryza - enzymology Oryza - genetics Oryza - physiology Osmosis Osmotic Pressure Osmotic stress Phosphorylation Plant Proteins - metabolism Plant Proteins - physiology Polyethylene glycol PP2CAS bifunction Promoters Protein Phosphatase 2C - metabolism Protein Phosphatase 2C - physiology Proteins Protoplasts Regulatory sequences Rice Seeds Signal Transduction Stress, Physiological Transcription factors Transcriptomes |
title | OsPP2C09 Is a Bifunctional Regulator in Both ABA-Dependent and Independent Abiotic Stress Signaling Pathways |
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