Ectomycorrhizal inoculation with Pisolithus tinctorius reduces stress induced by drought in cork oak.
Identifieur interne : 000999 ( Main/Corpus ); précédent : 000998; suivant : 000A00Ectomycorrhizal inoculation with Pisolithus tinctorius reduces stress induced by drought in cork oak.
Auteurs : M Nica Sebastiana ; Anabela Bernardes Da Silva ; Ana Rita Matos ; André Alcântara ; Susana Silvestre ; Rui MalhSource :
- Mycorrhiza [ 1432-1890 ] ; 2018.
English descriptors
- KwdEn :
- MESH :
- growth & development : Quercus.
- microbiology : Quercus.
- physiology : Basidiomycota, Mycorrhizae, Quercus.
- Droughts, Portugal, Stress, Physiological, Symbiosis.
Abstract
We investigated whether the performance of cork oak under drought could be improved by colonization with the ectomycorrhizal fungus Pisolithus tinctorius. Results show that inoculation alone had a positive effect on plant height, shoot biomass, shoot basal diameter, and root growth. Under drought, root growth of mycorrhizal plants was significantly increased showing that inoculation was effective in increasing tolerance to drought. In accordance, mycorrhizal plants subjected to drought showed less symptoms of stress when compared to non-mycorrhizal plants, such as lower concentration of soluble sugars and starch, increased ability to maintain fatty acid content and composition, and increased unsaturation level of membrane lipids. After testing some of the mechanisms suggested to contribute to the enhanced tolerance of mycorrhizal plants to drought, we could not find any by which Pisolithus tinctorius could benefit cork oak, at least under the drought conditions imposed in our experiment. Inoculation did not increase photosynthesis under drought, suggesting no effect in sustaining stomatal opening at low soil water content. Similarly, plant water status was not affected by inoculation suggesting that P. tinctorius does not contribute to an increased plant water uptake during drought. Inoculation did increase nitrogen concentration in plants but it was independent of the water status. Furthermore, no significant mycorrhizal effect on drought-induced ROS production or osmotic adjustment was detected, suggesting that these factors are not important for the improved drought tolerance triggered by P. tinctorius.
DOI: 10.1007/s00572-018-0823-2
PubMed: 29372408
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Ectomycorrhizal inoculation with Pisolithus tinctorius reduces stress induced by drought in cork oak.</title><author><name sortKey="Sebastiana, M Nica" sort="Sebastiana, M Nica" uniqKey="Sebastiana M" first="M Nica" last="Sebastiana">M Nica Sebastiana</name><affiliation><nlm:affiliation>Faculdade de Ciências, BioISI - Biosystems & Integrative Sciences Institute, Universidade de Lisboa, 1749-016, Campo Grande, Lisbon, Portugal. mgsebastiana@fc.ul.pt.</nlm:affiliation></affiliation></author><author><name sortKey="Da Silva, Anabela Bernardes" sort="Da Silva, Anabela Bernardes" uniqKey="Da Silva A" first="Anabela Bernardes" last="Da Silva">Anabela Bernardes Da Silva</name><affiliation><nlm:affiliation>Faculdade de Ciências, BioISI - Biosystems & Integrative Sciences Institute, Universidade de Lisboa, 1749-016, Campo Grande, Lisbon, Portugal.</nlm:affiliation></affiliation></author><author><name sortKey="Matos, Ana Rita" sort="Matos, Ana Rita" uniqKey="Matos A" first="Ana Rita" last="Matos">Ana Rita Matos</name><affiliation><nlm:affiliation>Faculdade de Ciências, BioISI - Biosystems & Integrative Sciences Institute, Universidade de Lisboa, 1749-016, Campo Grande, Lisbon, Portugal.</nlm:affiliation></affiliation></author><author><name sortKey="Alcantara, Andre" sort="Alcantara, Andre" uniqKey="Alcantara A" first="André" last="Alcântara">André Alcântara</name><affiliation><nlm:affiliation>Gregor Mendel Institute of Molecular Plant Biology, GmbH Dr. Bohr-Gasse 3, 1030, Vienna, Austria.</nlm:affiliation></affiliation></author><author><name sortKey="Silvestre, Susana" sort="Silvestre, Susana" uniqKey="Silvestre S" first="Susana" last="Silvestre">Susana Silvestre</name><affiliation><nlm:affiliation>Plant Sciences, Rothamsted Research, West Common, Harpenden, AL5 2JQ, UK.</nlm:affiliation></affiliation></author><author><name sortKey="Malh, Rui" sort="Malh, Rui" uniqKey="Malh R" first="Rui" last="Malh">Rui Malh</name><affiliation><nlm:affiliation>Faculdade de Ciências, BioISI - Biosystems & Integrative Sciences Institute, Universidade de Lisboa, 1749-016, Campo Grande, Lisbon, Portugal.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2018">2018</date><idno type="RBID">pubmed:29372408</idno><idno type="pmid">29372408</idno><idno type="doi">10.1007/s00572-018-0823-2</idno><idno type="wicri:Area/Main/Corpus">000999</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">000999</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Ectomycorrhizal inoculation with Pisolithus tinctorius reduces stress induced by drought in cork oak.</title><author><name sortKey="Sebastiana, M Nica" sort="Sebastiana, M Nica" uniqKey="Sebastiana M" first="M Nica" last="Sebastiana">M Nica Sebastiana</name><affiliation><nlm:affiliation>Faculdade de Ciências, BioISI - Biosystems & Integrative Sciences Institute, Universidade de Lisboa, 1749-016, Campo Grande, Lisbon, Portugal. mgsebastiana@fc.ul.pt.</nlm:affiliation></affiliation></author><author><name sortKey="Da Silva, Anabela Bernardes" sort="Da Silva, Anabela Bernardes" uniqKey="Da Silva A" first="Anabela Bernardes" last="Da Silva">Anabela Bernardes Da Silva</name><affiliation><nlm:affiliation>Faculdade de Ciências, BioISI - Biosystems & Integrative Sciences Institute, Universidade de Lisboa, 1749-016, Campo Grande, Lisbon, Portugal.</nlm:affiliation></affiliation></author><author><name sortKey="Matos, Ana Rita" sort="Matos, Ana Rita" uniqKey="Matos A" first="Ana Rita" last="Matos">Ana Rita Matos</name><affiliation><nlm:affiliation>Faculdade de Ciências, BioISI - Biosystems & Integrative Sciences Institute, Universidade de Lisboa, 1749-016, Campo Grande, Lisbon, Portugal.</nlm:affiliation></affiliation></author><author><name sortKey="Alcantara, Andre" sort="Alcantara, Andre" uniqKey="Alcantara A" first="André" last="Alcântara">André Alcântara</name><affiliation><nlm:affiliation>Gregor Mendel Institute of Molecular Plant Biology, GmbH Dr. Bohr-Gasse 3, 1030, Vienna, Austria.</nlm:affiliation></affiliation></author><author><name sortKey="Silvestre, Susana" sort="Silvestre, Susana" uniqKey="Silvestre S" first="Susana" last="Silvestre">Susana Silvestre</name><affiliation><nlm:affiliation>Plant Sciences, Rothamsted Research, West Common, Harpenden, AL5 2JQ, UK.</nlm:affiliation></affiliation></author><author><name sortKey="Malh, Rui" sort="Malh, Rui" uniqKey="Malh R" first="Rui" last="Malh">Rui Malh</name><affiliation><nlm:affiliation>Faculdade de Ciências, BioISI - Biosystems & Integrative Sciences Institute, Universidade de Lisboa, 1749-016, Campo Grande, Lisbon, Portugal.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Mycorrhiza</title><idno type="eISSN">1432-1890</idno><imprint><date when="2018" type="published">2018</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Basidiomycota (physiology)</term><term>Droughts (MeSH)</term><term>Mycorrhizae (physiology)</term><term>Portugal (MeSH)</term><term>Quercus (growth & development)</term><term>Quercus (microbiology)</term><term>Quercus (physiology)</term><term>Stress, Physiological (MeSH)</term><term>Symbiosis (MeSH)</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Quercus</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Quercus</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Basidiomycota</term><term>Mycorrhizae</term><term>Quercus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Droughts</term><term>Portugal</term><term>Stress, Physiological</term><term>Symbiosis</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We investigated whether the performance of cork oak under drought could be improved by colonization with the ectomycorrhizal fungus Pisolithus tinctorius. Results show that inoculation alone had a positive effect on plant height, shoot biomass, shoot basal diameter, and root growth. Under drought, root growth of mycorrhizal plants was significantly increased showing that inoculation was effective in increasing tolerance to drought. In accordance, mycorrhizal plants subjected to drought showed less symptoms of stress when compared to non-mycorrhizal plants, such as lower concentration of soluble sugars and starch, increased ability to maintain fatty acid content and composition, and increased unsaturation level of membrane lipids. After testing some of the mechanisms suggested to contribute to the enhanced tolerance of mycorrhizal plants to drought, we could not find any by which Pisolithus tinctorius could benefit cork oak, at least under the drought conditions imposed in our experiment. Inoculation did not increase photosynthesis under drought, suggesting no effect in sustaining stomatal opening at low soil water content. Similarly, plant water status was not affected by inoculation suggesting that P. tinctorius does not contribute to an increased plant water uptake during drought. Inoculation did increase nitrogen concentration in plants but it was independent of the water status. Furthermore, no significant mycorrhizal effect on drought-induced ROS production or osmotic adjustment was detected, suggesting that these factors are not important for the improved drought tolerance triggered by P. tinctorius.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">29372408</PMID><DateCompleted><Year>2018</Year><Month>08</Month><Day>20</Day></DateCompleted><DateRevised><Year>2018</Year><Month>08</Month><Day>20</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1432-1890</ISSN><JournalIssue CitedMedium="Internet"><Volume>28</Volume><Issue>3</Issue><PubDate><Year>2018</Year><Month>Apr</Month></PubDate></JournalIssue><Title>Mycorrhiza</Title><ISOAbbreviation>Mycorrhiza</ISOAbbreviation></Journal><ArticleTitle>Ectomycorrhizal inoculation with Pisolithus tinctorius reduces stress induced by drought in cork oak.</ArticleTitle><Pagination><MedlinePgn>247-258</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s00572-018-0823-2</ELocationID><Abstract><AbstractText>We investigated whether the performance of cork oak under drought could be improved by colonization with the ectomycorrhizal fungus Pisolithus tinctorius. Results show that inoculation alone had a positive effect on plant height, shoot biomass, shoot basal diameter, and root growth. Under drought, root growth of mycorrhizal plants was significantly increased showing that inoculation was effective in increasing tolerance to drought. In accordance, mycorrhizal plants subjected to drought showed less symptoms of stress when compared to non-mycorrhizal plants, such as lower concentration of soluble sugars and starch, increased ability to maintain fatty acid content and composition, and increased unsaturation level of membrane lipids. After testing some of the mechanisms suggested to contribute to the enhanced tolerance of mycorrhizal plants to drought, we could not find any by which Pisolithus tinctorius could benefit cork oak, at least under the drought conditions imposed in our experiment. Inoculation did not increase photosynthesis under drought, suggesting no effect in sustaining stomatal opening at low soil water content. Similarly, plant water status was not affected by inoculation suggesting that P. tinctorius does not contribute to an increased plant water uptake during drought. Inoculation did increase nitrogen concentration in plants but it was independent of the water status. Furthermore, no significant mycorrhizal effect on drought-induced ROS production or osmotic adjustment was detected, suggesting that these factors are not important for the improved drought tolerance triggered by P. tinctorius.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Sebastiana</LastName><ForeName>Mónica</ForeName><Initials>M</Initials><Identifier Source="ORCID">http://orcid.org/0000-0001-8735-7632</Identifier><AffiliationInfo><Affiliation>Faculdade de Ciências, BioISI - Biosystems & Integrative Sciences Institute, Universidade de Lisboa, 1749-016, Campo Grande, Lisbon, Portugal. mgsebastiana@fc.ul.pt.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>da Silva</LastName><ForeName>Anabela Bernardes</ForeName><Initials>AB</Initials><AffiliationInfo><Affiliation>Faculdade de Ciências, BioISI - Biosystems & Integrative Sciences Institute, Universidade de Lisboa, 1749-016, Campo Grande, Lisbon, Portugal.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Matos</LastName><ForeName>Ana Rita</ForeName><Initials>AR</Initials><AffiliationInfo><Affiliation>Faculdade de Ciências, BioISI - Biosystems & Integrative Sciences Institute, Universidade de Lisboa, 1749-016, Campo Grande, Lisbon, Portugal.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Alcântara</LastName><ForeName>André</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Gregor Mendel Institute of Molecular Plant Biology, GmbH Dr. Bohr-Gasse 3, 1030, Vienna, Austria.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Silvestre</LastName><ForeName>Susana</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>Plant Sciences, Rothamsted Research, West Common, Harpenden, AL5 2JQ, UK.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Malhó</LastName><ForeName>Rui</ForeName><Initials>R</Initials><AffiliationInfo><Affiliation>Faculdade de Ciências, BioISI - Biosystems & Integrative Sciences Institute, Universidade de Lisboa, 1749-016, Campo Grande, Lisbon, Portugal.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><GrantList CompleteYN="Y"><Grant><GrantID>SFRH/BPD/104660/2014</GrantID><Agency>Fundação para a Ciência e a Tecnologia</Agency><Country></Country></Grant><Grant><GrantID>PEst-OE/BIA/UI4046/2014</GrantID><Agency>Fundação para a Ciência e a Tecnologia</Agency><Country></Country></Grant></GrantList><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2018</Year><Month>01</Month><Day>25</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>Mycorrhiza</MedlineTA><NlmUniqueID>100955036</NlmUniqueID><ISSNLinking>0940-6360</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001487" MajorTopicYN="N">Basidiomycota</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D055864" MajorTopicYN="Y">Droughts</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D011174" MajorTopicYN="N">Portugal</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D029963" MajorTopicYN="N">Quercus</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013312" MajorTopicYN="N">Stress, Physiological</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013559" MajorTopicYN="N">Symbiosis</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Biochemical response</Keyword><Keyword MajorTopicYN="N">Cork oak</Keyword><Keyword MajorTopicYN="N">Drought</Keyword><Keyword MajorTopicYN="N">Ectomycorrhiza</Keyword><Keyword MajorTopicYN="N">Physiological response</Keyword><Keyword MajorTopicYN="N">Symbiosis</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2017</Year><Month>07</Month><Day>06</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2018</Year><Month>01</Month><Day>17</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2018</Year><Month>1</Month><Day>27</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2018</Year><Month>8</Month><Day>21</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2018</Year><Month>1</Month><Day>27</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">29372408</ArticleId><ArticleId IdType="doi">10.1007/s00572-018-0823-2</ArticleId><ArticleId IdType="pii">10.1007/s00572-018-0823-2</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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