Constitutive S-adenosylmethionine decarboxylase gene expression increases drought tolerance through inhibition of reactive oxygen species accumulation in Arabidopsis
Using subtractive hybridization analysis, the S-adenosylmethionine decarboxylase (SAMDQ gene from Capsicum annuum was isolated and renamed CaSAMDC. We generated independent transgenic Arabidopsis (Arabidopsis thaliana) lines constitutively expressing a 35S::CaSAMDC construct. Drought tolerance was s...
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| creator | Wi, Soo Jin Kim, Soo Jin Kim, Woo Taek Park, Ky Young |
| description | Using subtractive hybridization analysis, the S-adenosylmethionine decarboxylase (SAMDQ gene from Capsicum annuum was isolated and renamed CaSAMDC. We generated independent transgenic Arabidopsis (Arabidopsis thaliana) lines constitutively expressing a 35S::CaSAMDC construct. Drought tolerance was significantly enhanced in Arabidopsis T₄ transgenic homozygous lines as compared to wild-type (WT) plants. The levels of main polyamines (PAs) were more significantly increased in CaSAMDC-overexpressing transgenic plants after 6 h of drought stress as compared to stressed WT plants. Basal transcription of polyamine oxidase (PAO) showed at a much higher level in unstressed-transgenic plants as compared to unstressed WT plants. However, the difference in PAO transcription level between WT and transgenic plants was reduced after drought stress. Cellular accumulation of reactive oxygen species (ROS) was significantly reduced following drought stress in transgenic Arabidopsis plants as compared to WT plants. These results were in agreement with additional observations that stress-induced ROS generation, as determined by qRT-PCR analysis of NADPH oxidase (RbohD and RbohF), was significantly suppressed while transcription of ROS-detoxifying enzymes was notably elevated in transgenic lines in response to drought stress. Further, ROS-induced transcription of the metacaspase II gene was remarkably inhibited in transgenic plants.Collectively, these results suggest that drought stress tolerance due to reduction of ROS production and enhancement of ROS detoxification can be attributed to elevation of PAs. |
| doi_str_mv | 10.1007/s00425-014-2027-0 |
| format | Article |
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We generated independent transgenic Arabidopsis (Arabidopsis thaliana) lines constitutively expressing a 35S::CaSAMDC construct. Drought tolerance was significantly enhanced in Arabidopsis T₄ transgenic homozygous lines as compared to wild-type (WT) plants. The levels of main polyamines (PAs) were more significantly increased in CaSAMDC-overexpressing transgenic plants after 6 h of drought stress as compared to stressed WT plants. Basal transcription of polyamine oxidase (PAO) showed at a much higher level in unstressed-transgenic plants as compared to unstressed WT plants. However, the difference in PAO transcription level between WT and transgenic plants was reduced after drought stress. Cellular accumulation of reactive oxygen species (ROS) was significantly reduced following drought stress in transgenic Arabidopsis plants as compared to WT plants. These results were in agreement with additional observations that stress-induced ROS generation, as determined by qRT-PCR analysis of NADPH oxidase (RbohD and RbohF), was significantly suppressed while transcription of ROS-detoxifying enzymes was notably elevated in transgenic lines in response to drought stress. Further, ROS-induced transcription of the metacaspase II gene was remarkably inhibited in transgenic plants.Collectively, these results suggest that drought stress tolerance due to reduction of ROS production and enhancement of ROS detoxification can be attributed to elevation of PAs.</description><identifier>ISSN: 0032-0935</identifier><identifier>EISSN: 1432-2048</identifier><identifier>DOI: 10.1007/s00425-014-2027-0</identifier><identifier>PMID: 24477528</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>Adaptation, Physiological - genetics ; Adenosylmethionine Decarboxylase - genetics ; Adenosylmethionine Decarboxylase - metabolism ; Agriculture ; Arabidopsis - genetics ; Arabidopsis - physiology ; Arabidopsis thaliana ; Ascorbate Peroxidases - metabolism ; Biomedical and Life Sciences ; Capsicum - enzymology ; Capsicum annuum ; Caspases - metabolism ; Detoxification ; Drought ; Drought resistance ; Droughts ; Ecology ; Enzymes ; Forestry ; Gene Expression Regulation, Enzymologic ; Gene Expression Regulation, Plant ; Genes ; Life Sciences ; Original Article ; Oxidases ; Oxidation-Reduction ; Oxidative stress ; Plant Sciences ; Plants ; Plants, Genetically Modified ; Polyamines ; Polyamines - metabolism ; Reactive oxygen species ; Reactive Oxygen Species - metabolism ; RNA, Messenger - genetics ; RNA, Messenger - metabolism ; Stress tolerance ; Stress, Physiological - genetics ; Transgenic plants</subject><ispartof>Planta, 2014-05, Vol.239 (5), p.979-988</ispartof><rights>Springer-Verlag Berlin Heidelberg 2014</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c497t-7c1e686be4759bc4e9d2ae3b429429877f763c836bc245e1a8ad882027686843</citedby><cites>FETCH-LOGICAL-c497t-7c1e686be4759bc4e9d2ae3b429429877f763c836bc245e1a8ad882027686843</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/43564268$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/43564268$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,27924,27925,41488,42557,51319,58017,58250</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24477528$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wi, Soo Jin</creatorcontrib><creatorcontrib>Kim, Soo Jin</creatorcontrib><creatorcontrib>Kim, Woo Taek</creatorcontrib><creatorcontrib>Park, Ky Young</creatorcontrib><title>Constitutive S-adenosylmethionine decarboxylase gene expression increases drought tolerance through inhibition of reactive oxygen species accumulation in Arabidopsis</title><title>Planta</title><addtitle>Planta</addtitle><addtitle>Planta</addtitle><description>Using subtractive hybridization analysis, the S-adenosylmethionine decarboxylase (SAMDQ gene from Capsicum annuum was isolated and renamed CaSAMDC. We generated independent transgenic Arabidopsis (Arabidopsis thaliana) lines constitutively expressing a 35S::CaSAMDC construct. Drought tolerance was significantly enhanced in Arabidopsis T₄ transgenic homozygous lines as compared to wild-type (WT) plants. The levels of main polyamines (PAs) were more significantly increased in CaSAMDC-overexpressing transgenic plants after 6 h of drought stress as compared to stressed WT plants. Basal transcription of polyamine oxidase (PAO) showed at a much higher level in unstressed-transgenic plants as compared to unstressed WT plants. However, the difference in PAO transcription level between WT and transgenic plants was reduced after drought stress. Cellular accumulation of reactive oxygen species (ROS) was significantly reduced following drought stress in transgenic Arabidopsis plants as compared to WT plants. These results were in agreement with additional observations that stress-induced ROS generation, as determined by qRT-PCR analysis of NADPH oxidase (RbohD and RbohF), was significantly suppressed while transcription of ROS-detoxifying enzymes was notably elevated in transgenic lines in response to drought stress. Further, ROS-induced transcription of the metacaspase II gene was remarkably inhibited in transgenic plants.Collectively, these results suggest that drought stress tolerance due to reduction of ROS production and enhancement of ROS detoxification can be attributed to elevation of PAs.</description><subject>Adaptation, Physiological - genetics</subject><subject>Adenosylmethionine Decarboxylase - genetics</subject><subject>Adenosylmethionine Decarboxylase - metabolism</subject><subject>Agriculture</subject><subject>Arabidopsis - genetics</subject><subject>Arabidopsis - physiology</subject><subject>Arabidopsis thaliana</subject><subject>Ascorbate Peroxidases - metabolism</subject><subject>Biomedical and Life Sciences</subject><subject>Capsicum - enzymology</subject><subject>Capsicum annuum</subject><subject>Caspases - metabolism</subject><subject>Detoxification</subject><subject>Drought</subject><subject>Drought resistance</subject><subject>Droughts</subject><subject>Ecology</subject><subject>Enzymes</subject><subject>Forestry</subject><subject>Gene Expression Regulation, Enzymologic</subject><subject>Gene Expression Regulation, Plant</subject><subject>Genes</subject><subject>Life Sciences</subject><subject>Original Article</subject><subject>Oxidases</subject><subject>Oxidation-Reduction</subject><subject>Oxidative stress</subject><subject>Plant Sciences</subject><subject>Plants</subject><subject>Plants, Genetically Modified</subject><subject>Polyamines</subject><subject>Polyamines - metabolism</subject><subject>Reactive oxygen species</subject><subject>Reactive Oxygen Species - metabolism</subject><subject>RNA, Messenger - genetics</subject><subject>RNA, Messenger - metabolism</subject><subject>Stress tolerance</subject><subject>Stress, Physiological - genetics</subject><subject>Transgenic plants</subject><issn>0032-0935</issn><issn>1432-2048</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqNkc2KFDEUhYMoTjv6AC6UgBs3pfmrJLUcGv9gwIWzL1Kp291pqiptbkqmH8j3NDU1DuJChECSm--cm-QQ8pKzd5wx8x4ZU6KuGFeVYMJU7BHZcCVF2Sn7mGwYK2vWyPqCPEM8sgJKY56SC6GUMbWwG_JzGyfMIc85_AD6rXI9TBHPwwj5EOIUJqA9eJe6eHseHALdQynB7SkBYgFomHyCcoC0T3HeHzLNcYDkJg80H-5KhTmELuQFjztacH_XrVgWN4on8KHonffzOA8ur7b0Krku9PGEAZ-TJzs3ILy4ny_JzccPN9vP1fXXT1-2V9eVV43JlfEctNUdKFM3nVfQ9MKB7JRoyrDG7IyW3krdeaFq4M663trl64rKKnlJ3q62pxS_z4C5HQN6GAY3QZyx5bVUVmkjzX-gvBFa8kYX9M1f6DHOaSrvWCirWclkMeQr5VNETLBrTymMLp1bztol7XZNuy0htsuVW1Y0r--d526E_kHxO94CiBXAcjTtIf3R-h-ur1bREXNMD6ZK1loJbeUvw1_CKQ</recordid><startdate>20140501</startdate><enddate>20140501</enddate><creator>Wi, Soo Jin</creator><creator>Kim, Soo Jin</creator><creator>Kim, Woo Taek</creator><creator>Park, Ky Young</creator><general>Springer-Verlag</general><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</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>7QP</scope><scope>7QR</scope><scope>7TM</scope><scope>7X2</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>8AO</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0K</scope><scope>M0S</scope><scope>M1P</scope><scope>M7P</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>RC3</scope><scope>7X8</scope></search><sort><creationdate>20140501</creationdate><title>Constitutive S-adenosylmethionine decarboxylase gene expression increases drought tolerance through inhibition of reactive oxygen species accumulation in Arabidopsis</title><author>Wi, Soo Jin ; Kim, Soo Jin ; Kim, Woo Taek ; Park, Ky Young</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c497t-7c1e686be4759bc4e9d2ae3b429429877f763c836bc245e1a8ad882027686843</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Adaptation, Physiological - genetics</topic><topic>Adenosylmethionine Decarboxylase - genetics</topic><topic>Adenosylmethionine Decarboxylase - metabolism</topic><topic>Agriculture</topic><topic>Arabidopsis - genetics</topic><topic>Arabidopsis - physiology</topic><topic>Arabidopsis thaliana</topic><topic>Ascorbate Peroxidases - metabolism</topic><topic>Biomedical and Life Sciences</topic><topic>Capsicum - enzymology</topic><topic>Capsicum annuum</topic><topic>Caspases - metabolism</topic><topic>Detoxification</topic><topic>Drought</topic><topic>Drought resistance</topic><topic>Droughts</topic><topic>Ecology</topic><topic>Enzymes</topic><topic>Forestry</topic><topic>Gene Expression Regulation, Enzymologic</topic><topic>Gene Expression Regulation, Plant</topic><topic>Genes</topic><topic>Life Sciences</topic><topic>Original Article</topic><topic>Oxidases</topic><topic>Oxidation-Reduction</topic><topic>Oxidative stress</topic><topic>Plant Sciences</topic><topic>Plants</topic><topic>Plants, Genetically Modified</topic><topic>Polyamines</topic><topic>Polyamines - metabolism</topic><topic>Reactive oxygen species</topic><topic>Reactive Oxygen Species - metabolism</topic><topic>RNA, Messenger - genetics</topic><topic>RNA, Messenger - metabolism</topic><topic>Stress tolerance</topic><topic>Stress, Physiological - genetics</topic><topic>Transgenic plants</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wi, Soo Jin</creatorcontrib><creatorcontrib>Kim, Soo Jin</creatorcontrib><creatorcontrib>Kim, Woo Taek</creatorcontrib><creatorcontrib>Park, Ky Young</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>Calcium & Calcified Tissue Abstracts</collection><collection>Chemoreception Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Agricultural Science Collection</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Biology Database (Alumni Edition)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Agricultural Science Database</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Biological Science Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Planta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wi, Soo Jin</au><au>Kim, Soo Jin</au><au>Kim, Woo Taek</au><au>Park, Ky Young</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Constitutive S-adenosylmethionine decarboxylase gene expression increases drought tolerance through inhibition of reactive oxygen species accumulation in Arabidopsis</atitle><jtitle>Planta</jtitle><stitle>Planta</stitle><addtitle>Planta</addtitle><date>2014-05-01</date><risdate>2014</risdate><volume>239</volume><issue>5</issue><spage>979</spage><epage>988</epage><pages>979-988</pages><issn>0032-0935</issn><eissn>1432-2048</eissn><abstract>Using subtractive hybridization analysis, the S-adenosylmethionine decarboxylase (SAMDQ gene from Capsicum annuum was isolated and renamed CaSAMDC. We generated independent transgenic Arabidopsis (Arabidopsis thaliana) lines constitutively expressing a 35S::CaSAMDC construct. Drought tolerance was significantly enhanced in Arabidopsis T₄ transgenic homozygous lines as compared to wild-type (WT) plants. The levels of main polyamines (PAs) were more significantly increased in CaSAMDC-overexpressing transgenic plants after 6 h of drought stress as compared to stressed WT plants. Basal transcription of polyamine oxidase (PAO) showed at a much higher level in unstressed-transgenic plants as compared to unstressed WT plants. However, the difference in PAO transcription level between WT and transgenic plants was reduced after drought stress. Cellular accumulation of reactive oxygen species (ROS) was significantly reduced following drought stress in transgenic Arabidopsis plants as compared to WT plants. These results were in agreement with additional observations that stress-induced ROS generation, as determined by qRT-PCR analysis of NADPH oxidase (RbohD and RbohF), was significantly suppressed while transcription of ROS-detoxifying enzymes was notably elevated in transgenic lines in response to drought stress. Further, ROS-induced transcription of the metacaspase II gene was remarkably inhibited in transgenic plants.Collectively, these results suggest that drought stress tolerance due to reduction of ROS production and enhancement of ROS detoxification can be attributed to elevation of PAs.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><pmid>24477528</pmid><doi>10.1007/s00425-014-2027-0</doi><tpages>10</tpages></addata></record> |
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| subjects | Adaptation, Physiological - genetics Adenosylmethionine Decarboxylase - genetics Adenosylmethionine Decarboxylase - metabolism Agriculture Arabidopsis - genetics Arabidopsis - physiology Arabidopsis thaliana Ascorbate Peroxidases - metabolism Biomedical and Life Sciences Capsicum - enzymology Capsicum annuum Caspases - metabolism Detoxification Drought Drought resistance Droughts Ecology Enzymes Forestry Gene Expression Regulation, Enzymologic Gene Expression Regulation, Plant Genes Life Sciences Original Article Oxidases Oxidation-Reduction Oxidative stress Plant Sciences Plants Plants, Genetically Modified Polyamines Polyamines - metabolism Reactive oxygen species Reactive Oxygen Species - metabolism RNA, Messenger - genetics RNA, Messenger - metabolism Stress tolerance Stress, Physiological - genetics Transgenic plants |
| title | Constitutive S-adenosylmethionine decarboxylase gene expression increases drought tolerance through inhibition of reactive oxygen species accumulation in Arabidopsis |
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