Elevated CO2-induced changes in photosynthesis, antioxidant enzymes and signal transduction enzyme of soybean under drought stress.
Identifieur interne : 000168 ( Main/Exploration ); précédent : 000167; suivant : 000169Elevated CO2-induced changes in photosynthesis, antioxidant enzymes and signal transduction enzyme of soybean under drought stress.
Auteurs : Bingyan Li [République populaire de Chine] ; Yanan Feng [République populaire de Chine] ; Yuzheng Zong [République populaire de Chine] ; Dongsheng Zhang [République populaire de Chine] ; Xingyu Hao [République populaire de Chine] ; Ping Li [République populaire de Chine]Source :
- Plant physiology and biochemistry : PPB [ 1873-2690 ] ; 2020.
Abstract
Rising atmospheric [CO2] influences plant growth, development, productivity and stress responses. Soybean is a major oil crop. At present, it is unclear how elevated [CO2] affects the physiological and biochemical pathways of soybean under drought stress. In this study, changes in the photosynthetic capacity, photosynthetic pigment and antioxidant level were evaluated in soybean at flowering stages under different [CO2] (400 μmol mol-1 and 600 μmol mol-1) and water level (the relative water content of the soil was 75-85% soil capacity, and the relative water content of the soil was 35-45% soil capacity under drought stress). Changes in levels of osmolytes, hormones and signal transduction enzymes were also determined. The results showed that under drought stress, increasing [CO2] significantly reduced leaf transpiration rate (E), net photosynthetic rate (PN) and chlorophyll b content. Elevated [CO2] significantly decreased the content of malondialdehyde (MDA) and proline (PRO), while significantly increased superoxide dismutase (SOD) and abscisic acid (ABA) under drought stress. Elevated [CO2] significantly increased the transcript and protein levels of calcium-dependent protein kinase (CDPK), and Glutathione S- transferase (GST). The content of HSP-70 and the corresponding gene expression level were significantly reduced by elevated [CO2], irrespective of water treatments. Taken together, these results suggest that elevated [CO2] does not alleviate the negative impacts of drought stress on photosynthesis. ABA, CDPK and GST may play an important role in elevated CO2-induced drought stress responses.
DOI: 10.1016/j.plaphy.2020.05.039
PubMed: 32535322
Affiliations:
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Electronic address: lipinghxy@126.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Agriculture, Shanxi Agricultural University, Taigu, 030801</wicri:regionArea><wicri:noRegion>030801</wicri:noRegion></affiliation></author></analytic><series><title level="j">Plant physiology and biochemistry : PPB</title><idno type="eISSN">1873-2690</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Rising atmospheric [CO<sub>2</sub>] influences plant growth, development, productivity and stress responses. Soybean is a major oil crop. At present, it is unclear how elevated [CO<sub>2</sub>] affects the physiological and biochemical pathways of soybean under drought stress. In this study, changes in the photosynthetic capacity, photosynthetic pigment and antioxidant level were evaluated in soybean at flowering stages under different [CO<sub>2</sub>] (400 μmol mol<sup>-1</sup> and 600 μmol mol<sup>-1</sup>) and water level (the relative water content of the soil was 75-85% soil capacity, and the relative water content of the soil was 35-45% soil capacity under drought stress). Changes in levels of osmolytes, hormones and signal transduction enzymes were also determined. The results showed that under drought stress, increasing [CO<sub>2</sub>] significantly reduced leaf transpiration rate (E), net photosynthetic rate (P<sub>N</sub>) and chlorophyll b content. Elevated [CO<sub>2</sub>] significantly decreased the content of malondialdehyde (MDA) and proline (PRO), while significantly increased superoxide dismutase (SOD) and abscisic acid (ABA) under drought stress. Elevated [CO<sub>2</sub>] significantly increased the transcript and protein levels of calcium-dependent protein kinase (CDPK), and Glutathione S- transferase (GST). The content of HSP-70 and the corresponding gene expression level were significantly reduced by elevated [CO<sub>2</sub>], irrespective of water treatments. Taken together, these results suggest that elevated [CO<sub>2</sub>] does not alleviate the negative impacts of drought stress on photosynthesis. ABA, CDPK and GST may play an important role in elevated CO<sub>2</sub>-induced drought stress responses.</div></front></TEI><pubmed><MedlineCitation Status="In-Process" Owner="NLM"><PMID Version="1">32535322</PMID><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1873-2690</ISSN><JournalIssue CitedMedium="Internet"><Volume>154</Volume><PubDate><Year>2020</Year><Month>Sep</Month></PubDate></JournalIssue><Title>Plant physiology and biochemistry : PPB</Title><ISOAbbreviation>Plant Physiol Biochem</ISOAbbreviation></Journal><ArticleTitle>Elevated CO<sub>2</sub>-induced changes in photosynthesis, antioxidant enzymes and signal transduction enzyme of soybean under drought stress.</ArticleTitle><Pagination><MedlinePgn>105-114</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0981-9428(20)30271-0</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.plaphy.2020.05.039</ELocationID><Abstract><AbstractText>Rising atmospheric [CO<sub>2</sub>] influences plant growth, development, productivity and stress responses. Soybean is a major oil crop. At present, it is unclear how elevated [CO<sub>2</sub>] affects the physiological and biochemical pathways of soybean under drought stress. In this study, changes in the photosynthetic capacity, photosynthetic pigment and antioxidant level were evaluated in soybean at flowering stages under different [CO<sub>2</sub>] (400 μmol mol<sup>-1</sup> and 600 μmol mol<sup>-1</sup>) and water level (the relative water content of the soil was 75-85% soil capacity, and the relative water content of the soil was 35-45% soil capacity under drought stress). Changes in levels of osmolytes, hormones and signal transduction enzymes were also determined. The results showed that under drought stress, increasing [CO<sub>2</sub>] significantly reduced leaf transpiration rate (E), net photosynthetic rate (P<sub>N</sub>) and chlorophyll b content. Elevated [CO<sub>2</sub>] significantly decreased the content of malondialdehyde (MDA) and proline (PRO), while significantly increased superoxide dismutase (SOD) and abscisic acid (ABA) under drought stress. Elevated [CO<sub>2</sub>] significantly increased the transcript and protein levels of calcium-dependent protein kinase (CDPK), and Glutathione S- transferase (GST). The content of HSP-70 and the corresponding gene expression level were significantly reduced by elevated [CO<sub>2</sub>], irrespective of water treatments. Taken together, these results suggest that elevated [CO<sub>2</sub>] does not alleviate the negative impacts of drought stress on photosynthesis. ABA, CDPK and GST may play an important role in elevated CO<sub>2</sub>-induced drought stress responses.</AbstractText><CopyrightInformation>Copyright © 2020 Elsevier Masson SAS. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Bingyan</ForeName><Initials>B</Initials><AffiliationInfo><Affiliation>College of Agriculture, Shanxi Agricultural University, Taigu, 030801, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Feng</LastName><ForeName>Yanan</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>College of Agriculture, Shanxi Agricultural University, Taigu, 030801, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zong</LastName><ForeName>Yuzheng</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>College of Agriculture, Shanxi Agricultural University, Taigu, 030801, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Dongsheng</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>College of Agriculture, Shanxi Agricultural University, Taigu, 030801, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hao</LastName><ForeName>Xingyu</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>College of Agriculture, Shanxi Agricultural University, Taigu, 030801, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Ping</ForeName><Initials>P</Initials><AffiliationInfo><Affiliation>College of Agriculture, Shanxi Agricultural University, Taigu, 030801, China. Electronic address: lipinghxy@126.com.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2020</Year><Month>06</Month><Day>06</Day></ArticleDate></Article><MedlineJournalInfo><Country>France</Country><MedlineTA>Plant Physiol Biochem</MedlineTA><NlmUniqueID>9882449</NlmUniqueID><ISSNLinking>0981-9428</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Drought stress</Keyword><Keyword MajorTopicYN="N">Elevated [CO(2)]</Keyword><Keyword MajorTopicYN="N">Oxidative stress</Keyword><Keyword MajorTopicYN="N">Photosynthesis</Keyword><Keyword MajorTopicYN="N">Signal transduction</Keyword><Keyword MajorTopicYN="N">Soybean</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2020</Year><Month>02</Month><Day>21</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2020</Year><Month>05</Month><Day>26</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2020</Year><Month>05</Month><Day>29</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2020</Year><Month>6</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>6</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>6</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">32535322</ArticleId><ArticleId IdType="pii">S0981-9428(20)30271-0</ArticleId><ArticleId IdType="doi">10.1016/j.plaphy.2020.05.039</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Li, Bingyan" sort="Li, Bingyan" uniqKey="Li B" first="Bingyan" last="Li">Bingyan Li</name></noRegion><name sortKey="Feng, Yanan" sort="Feng, Yanan" uniqKey="Feng Y" first="Yanan" last="Feng">Yanan Feng</name><name sortKey="Hao, Xingyu" sort="Hao, Xingyu" uniqKey="Hao X" first="Xingyu" last="Hao">Xingyu Hao</name><name sortKey="Li, Ping" sort="Li, Ping" uniqKey="Li P" first="Ping" last="Li">Ping Li</name><name sortKey="Zhang, Dongsheng" sort="Zhang, Dongsheng" uniqKey="Zhang D" first="Dongsheng" last="Zhang">Dongsheng Zhang</name><name sortKey="Zong, Yuzheng" sort="Zong, Yuzheng" uniqKey="Zong Y" first="Yuzheng" last="Zong">Yuzheng Zong</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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