abiotic stress-responsive NAC-type transcription factor SlNAC4 regulates salt and drought tolerance and stress-related genes in tomato (Solanum lycopersicum)
KEY MESSAGE : SlNAC4 functions as a stress-responsive transcription factor and might be useful for crop salt and drought tolerance improvement. Abiotic stresses, especially salinity and drought, are major factors that significantly limit crop growth and productivity. Plant-specific NAC transcription...
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creator | Zhu, Mingku Chen, Guoping Zhang, Jianling Zhang, Yanjie Xie, Qiaoli Zhao, Zhiping Pan, Yu Hu, Zongli |
description | KEY MESSAGE : SlNAC4 functions as a stress-responsive transcription factor and might be useful for crop salt and drought tolerance improvement. Abiotic stresses, especially salinity and drought, are major factors that significantly limit crop growth and productivity. Plant-specific NAC transcription factors play crucial roles in various stress responses. However, to date only little information regarding stress-related NAC genes is available in tomato. Previously, we reported that tomato SlNAC4-SlNAC10 genes are involved in response of various abiotic stresses. Expression analysis revealed that SlNAC4 was also induced significantly by MeJA, but not by ABA. To further unravel the function of SlNAC4 in response to abiotic stress, we investigated the effects of salt and drought stress on wild-type and SlNAC4-RNAi transgenic tomato plants. The results demonstrated that the root and shoot growth of RNAi plants was more inhibited by salt stress than that of wild-type at post-germination stage. The leaf salt assay also showed less tolerance in transgenic plants by retaining lower chlorophyll content compared with wild-type plants. In addition, transgenic plants became less tolerant to salt and drought stress in soil, which were demonstrated by lower levels of water and chlorophyll contents, and higher water loss rate in their leaves as compared to wild-type plants under stressed conditions. Notably, the expressions of multiple stress-related genes were downregulated in SlNAC4-RNAi plants under both control and salt-stressed conditions. Collectively, these results highlight the important role of SlNAC4 functions as a stress-responsive transcription factor in positive modulation of abiotic stress tolerance through an ABA-independent signaling networks and possibly in response to biotic stress, and may hold promising applications in the engineering of salt- and drought-tolerant tomato. |
doi_str_mv | 10.1007/s00299-014-1662-z |
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Abiotic stresses, especially salinity and drought, are major factors that significantly limit crop growth and productivity. Plant-specific NAC transcription factors play crucial roles in various stress responses. However, to date only little information regarding stress-related NAC genes is available in tomato. Previously, we reported that tomato SlNAC4-SlNAC10 genes are involved in response of various abiotic stresses. Expression analysis revealed that SlNAC4 was also induced significantly by MeJA, but not by ABA. To further unravel the function of SlNAC4 in response to abiotic stress, we investigated the effects of salt and drought stress on wild-type and SlNAC4-RNAi transgenic tomato plants. The results demonstrated that the root and shoot growth of RNAi plants was more inhibited by salt stress than that of wild-type at post-germination stage. The leaf salt assay also showed less tolerance in transgenic plants by retaining lower chlorophyll content compared with wild-type plants. In addition, transgenic plants became less tolerant to salt and drought stress in soil, which were demonstrated by lower levels of water and chlorophyll contents, and higher water loss rate in their leaves as compared to wild-type plants under stressed conditions. Notably, the expressions of multiple stress-related genes were downregulated in SlNAC4-RNAi plants under both control and salt-stressed conditions. Collectively, these results highlight the important role of SlNAC4 functions as a stress-responsive transcription factor in positive modulation of abiotic stress tolerance through an ABA-independent signaling networks and possibly in response to biotic stress, and may hold promising applications in the engineering of salt- and drought-tolerant tomato.</description><identifier>ISSN: 0721-7714</identifier><identifier>EISSN: 1432-203X</identifier><identifier>DOI: 10.1007/s00299-014-1662-z</identifier><identifier>PMID: 25063324</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>abscisic acid ; Abscisic Acid - pharmacology ; Acetates - pharmacology ; Adaptation, Physiological - genetics ; Biomedical and Life Sciences ; Biotechnology ; biotic stress ; Cell Biology ; Chlorophyll ; Cyclopentanes - pharmacology ; drought ; Drought resistance ; drought tolerance ; Droughts ; engineering ; Gene Expression Profiling ; Gene Expression Regulation, Plant - drug effects ; Gene Expression Regulation, Plant - genetics ; genes ; Leaves ; Life Sciences ; Lycopersicon esculentum ; Lycopersicon esculentum - genetics ; Lycopersicon esculentum - metabolism ; Oligonucleotide Array Sequence Analysis ; Original Paper ; Oxylipins - pharmacology ; Plant Biochemistry ; Plant Growth Regulators - pharmacology ; Plant Leaves - genetics ; Plant Leaves - metabolism ; Plant Proteins - genetics ; Plant Proteins - metabolism ; Plant Roots - genetics ; Plant Roots - metabolism ; Plant Sciences ; Plant Shoots - genetics ; Plant Shoots - metabolism ; Plants ; Plants, Genetically Modified ; Reverse Transcriptase Polymerase Chain Reaction ; RNA Interference ; RNA, Small Interfering - genetics ; salinity ; salt stress ; salt tolerance ; Salts ; shoots ; Sodium Chloride - pharmacology ; soil ; Solanum ; Solanum lycopersicum ; stress response ; stress tolerance ; Tomatoes ; transcription factors ; Transcription Factors - genetics ; Transcription Factors - metabolism ; Transgenic plants ; Water loss ; water stress</subject><ispartof>Plant cell reports, 2014-11, Vol.33 (11), p.1851-1863</ispartof><rights>Springer-Verlag Berlin Heidelberg 2014</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c565t-19cc0464cd2bcae33f52dca30bd69c79bee3decee158b3ff8cd9286dd64873d23</citedby><cites>FETCH-LOGICAL-c565t-19cc0464cd2bcae33f52dca30bd69c79bee3decee158b3ff8cd9286dd64873d23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00299-014-1662-z$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00299-014-1662-z$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25063324$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhu, Mingku</creatorcontrib><creatorcontrib>Chen, Guoping</creatorcontrib><creatorcontrib>Zhang, Jianling</creatorcontrib><creatorcontrib>Zhang, Yanjie</creatorcontrib><creatorcontrib>Xie, Qiaoli</creatorcontrib><creatorcontrib>Zhao, Zhiping</creatorcontrib><creatorcontrib>Pan, Yu</creatorcontrib><creatorcontrib>Hu, Zongli</creatorcontrib><title>abiotic stress-responsive NAC-type transcription factor SlNAC4 regulates salt and drought tolerance and stress-related genes in tomato (Solanum lycopersicum)</title><title>Plant cell reports</title><addtitle>Plant Cell Rep</addtitle><addtitle>Plant Cell Rep</addtitle><description>KEY MESSAGE : SlNAC4 functions as a stress-responsive transcription factor and might be useful for crop salt and drought tolerance improvement. Abiotic stresses, especially salinity and drought, are major factors that significantly limit crop growth and productivity. Plant-specific NAC transcription factors play crucial roles in various stress responses. However, to date only little information regarding stress-related NAC genes is available in tomato. Previously, we reported that tomato SlNAC4-SlNAC10 genes are involved in response of various abiotic stresses. Expression analysis revealed that SlNAC4 was also induced significantly by MeJA, but not by ABA. To further unravel the function of SlNAC4 in response to abiotic stress, we investigated the effects of salt and drought stress on wild-type and SlNAC4-RNAi transgenic tomato plants. The results demonstrated that the root and shoot growth of RNAi plants was more inhibited by salt stress than that of wild-type at post-germination stage. The leaf salt assay also showed less tolerance in transgenic plants by retaining lower chlorophyll content compared with wild-type plants. In addition, transgenic plants became less tolerant to salt and drought stress in soil, which were demonstrated by lower levels of water and chlorophyll contents, and higher water loss rate in their leaves as compared to wild-type plants under stressed conditions. Notably, the expressions of multiple stress-related genes were downregulated in SlNAC4-RNAi plants under both control and salt-stressed conditions. Collectively, these results highlight the important role of SlNAC4 functions as a stress-responsive transcription factor in positive modulation of abiotic stress tolerance through an ABA-independent signaling networks and possibly in response to biotic stress, and may hold promising applications in the engineering of salt- and drought-tolerant tomato.</description><subject>abscisic acid</subject><subject>Abscisic Acid - pharmacology</subject><subject>Acetates - pharmacology</subject><subject>Adaptation, Physiological - genetics</subject><subject>Biomedical and Life Sciences</subject><subject>Biotechnology</subject><subject>biotic stress</subject><subject>Cell Biology</subject><subject>Chlorophyll</subject><subject>Cyclopentanes - pharmacology</subject><subject>drought</subject><subject>Drought resistance</subject><subject>drought tolerance</subject><subject>Droughts</subject><subject>engineering</subject><subject>Gene Expression Profiling</subject><subject>Gene Expression Regulation, Plant - drug effects</subject><subject>Gene Expression Regulation, Plant - genetics</subject><subject>genes</subject><subject>Leaves</subject><subject>Life Sciences</subject><subject>Lycopersicon esculentum</subject><subject>Lycopersicon esculentum - genetics</subject><subject>Lycopersicon esculentum - metabolism</subject><subject>Oligonucleotide Array Sequence Analysis</subject><subject>Original Paper</subject><subject>Oxylipins - pharmacology</subject><subject>Plant Biochemistry</subject><subject>Plant Growth Regulators - pharmacology</subject><subject>Plant Leaves - genetics</subject><subject>Plant Leaves - metabolism</subject><subject>Plant Proteins - genetics</subject><subject>Plant Proteins - metabolism</subject><subject>Plant Roots - genetics</subject><subject>Plant Roots - metabolism</subject><subject>Plant Sciences</subject><subject>Plant Shoots - genetics</subject><subject>Plant Shoots - metabolism</subject><subject>Plants</subject><subject>Plants, Genetically Modified</subject><subject>Reverse Transcriptase Polymerase Chain Reaction</subject><subject>RNA Interference</subject><subject>RNA, Small Interfering - genetics</subject><subject>salinity</subject><subject>salt stress</subject><subject>salt tolerance</subject><subject>Salts</subject><subject>shoots</subject><subject>Sodium Chloride - pharmacology</subject><subject>soil</subject><subject>Solanum</subject><subject>Solanum lycopersicum</subject><subject>stress response</subject><subject>stress tolerance</subject><subject>Tomatoes</subject><subject>transcription factors</subject><subject>Transcription Factors - genetics</subject><subject>Transcription Factors - metabolism</subject><subject>Transgenic plants</subject><subject>Water loss</subject><subject>water 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stress-responsive NAC-type transcription factor SlNAC4 regulates salt and drought tolerance and stress-related genes in tomato (Solanum lycopersicum)</title><author>Zhu, Mingku ; Chen, Guoping ; Zhang, Jianling ; Zhang, Yanjie ; Xie, Qiaoli ; Zhao, Zhiping ; Pan, Yu ; Hu, Zongli</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c565t-19cc0464cd2bcae33f52dca30bd69c79bee3decee158b3ff8cd9286dd64873d23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>abscisic acid</topic><topic>Abscisic Acid - pharmacology</topic><topic>Acetates - pharmacology</topic><topic>Adaptation, Physiological - genetics</topic><topic>Biomedical and Life Sciences</topic><topic>Biotechnology</topic><topic>biotic stress</topic><topic>Cell Biology</topic><topic>Chlorophyll</topic><topic>Cyclopentanes - pharmacology</topic><topic>drought</topic><topic>Drought resistance</topic><topic>drought tolerance</topic><topic>Droughts</topic><topic>engineering</topic><topic>Gene Expression Profiling</topic><topic>Gene Expression Regulation, Plant - drug effects</topic><topic>Gene Expression Regulation, Plant - genetics</topic><topic>genes</topic><topic>Leaves</topic><topic>Life Sciences</topic><topic>Lycopersicon esculentum</topic><topic>Lycopersicon esculentum - genetics</topic><topic>Lycopersicon esculentum - metabolism</topic><topic>Oligonucleotide Array Sequence Analysis</topic><topic>Original Paper</topic><topic>Oxylipins - pharmacology</topic><topic>Plant Biochemistry</topic><topic>Plant Growth Regulators - pharmacology</topic><topic>Plant Leaves - genetics</topic><topic>Plant Leaves - metabolism</topic><topic>Plant Proteins - genetics</topic><topic>Plant Proteins - metabolism</topic><topic>Plant Roots - genetics</topic><topic>Plant Roots - metabolism</topic><topic>Plant Sciences</topic><topic>Plant Shoots - genetics</topic><topic>Plant Shoots - metabolism</topic><topic>Plants</topic><topic>Plants, Genetically Modified</topic><topic>Reverse Transcriptase Polymerase Chain Reaction</topic><topic>RNA Interference</topic><topic>RNA, Small Interfering - genetics</topic><topic>salinity</topic><topic>salt stress</topic><topic>salt tolerance</topic><topic>Salts</topic><topic>shoots</topic><topic>Sodium Chloride - pharmacology</topic><topic>soil</topic><topic>Solanum</topic><topic>Solanum lycopersicum</topic><topic>stress response</topic><topic>stress tolerance</topic><topic>Tomatoes</topic><topic>transcription factors</topic><topic>Transcription Factors - genetics</topic><topic>Transcription Factors - metabolism</topic><topic>Transgenic plants</topic><topic>Water loss</topic><topic>water stress</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhu, Mingku</creatorcontrib><creatorcontrib>Chen, Guoping</creatorcontrib><creatorcontrib>Zhang, Jianling</creatorcontrib><creatorcontrib>Zhang, 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Rep</addtitle><date>2014-11-01</date><risdate>2014</risdate><volume>33</volume><issue>11</issue><spage>1851</spage><epage>1863</epage><pages>1851-1863</pages><issn>0721-7714</issn><eissn>1432-203X</eissn><abstract>KEY MESSAGE : SlNAC4 functions as a stress-responsive transcription factor and might be useful for crop salt and drought tolerance improvement. Abiotic stresses, especially salinity and drought, are major factors that significantly limit crop growth and productivity. Plant-specific NAC transcription factors play crucial roles in various stress responses. However, to date only little information regarding stress-related NAC genes is available in tomato. Previously, we reported that tomato SlNAC4-SlNAC10 genes are involved in response of various abiotic stresses. Expression analysis revealed that SlNAC4 was also induced significantly by MeJA, but not by ABA. To further unravel the function of SlNAC4 in response to abiotic stress, we investigated the effects of salt and drought stress on wild-type and SlNAC4-RNAi transgenic tomato plants. The results demonstrated that the root and shoot growth of RNAi plants was more inhibited by salt stress than that of wild-type at post-germination stage. The leaf salt assay also showed less tolerance in transgenic plants by retaining lower chlorophyll content compared with wild-type plants. In addition, transgenic plants became less tolerant to salt and drought stress in soil, which were demonstrated by lower levels of water and chlorophyll contents, and higher water loss rate in their leaves as compared to wild-type plants under stressed conditions. Notably, the expressions of multiple stress-related genes were downregulated in SlNAC4-RNAi plants under both control and salt-stressed conditions. Collectively, these results highlight the important role of SlNAC4 functions as a stress-responsive transcription factor in positive modulation of abiotic stress tolerance through an ABA-independent signaling networks and possibly in response to biotic stress, and may hold promising applications in the engineering of salt- and drought-tolerant tomato.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><pmid>25063324</pmid><doi>10.1007/s00299-014-1662-z</doi><tpages>13</tpages></addata></record> |
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subjects | abscisic acid Abscisic Acid - pharmacology Acetates - pharmacology Adaptation, Physiological - genetics Biomedical and Life Sciences Biotechnology biotic stress Cell Biology Chlorophyll Cyclopentanes - pharmacology drought Drought resistance drought tolerance Droughts engineering Gene Expression Profiling Gene Expression Regulation, Plant - drug effects Gene Expression Regulation, Plant - genetics genes Leaves Life Sciences Lycopersicon esculentum Lycopersicon esculentum - genetics Lycopersicon esculentum - metabolism Oligonucleotide Array Sequence Analysis Original Paper Oxylipins - pharmacology Plant Biochemistry Plant Growth Regulators - pharmacology Plant Leaves - genetics Plant Leaves - metabolism Plant Proteins - genetics Plant Proteins - metabolism Plant Roots - genetics Plant Roots - metabolism Plant Sciences Plant Shoots - genetics Plant Shoots - metabolism Plants Plants, Genetically Modified Reverse Transcriptase Polymerase Chain Reaction RNA Interference RNA, Small Interfering - genetics salinity salt stress salt tolerance Salts shoots Sodium Chloride - pharmacology soil Solanum Solanum lycopersicum stress response stress tolerance Tomatoes transcription factors Transcription Factors - genetics Transcription Factors - metabolism Transgenic plants Water loss water stress |
title | abiotic stress-responsive NAC-type transcription factor SlNAC4 regulates salt and drought tolerance and stress-related genes in tomato (Solanum lycopersicum) |
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