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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Veröffentlicht in:Plant cell reports 2014-11, Vol.33 (11), p.1851-1863
Hauptverfasser: Zhu, Mingku, Chen, Guoping, Zhang, Jianling, Zhang, Yanjie, Xie, Qiaoli, Zhao, Zhiping, Pan, Yu, Hu, Zongli
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container_end_page 1863
container_issue 11
container_start_page 1851
container_title Plant cell reports
container_volume 33
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. 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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 - 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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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source MEDLINE; SpringerNature Journals
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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