Plant-pathogen interactions: leaf physiology alterations in poplars infected with rust (Melampsora medusae).
Identifieur interne : 000014 ( Main/Exploration ); précédent : 000013; suivant : 000015Plant-pathogen interactions: leaf physiology alterations in poplars infected with rust (Melampsora medusae).
Auteurs : Fermín Gortari [Argentine] ; Juan José Guiamet [Argentine] ; Corina Graciano [Argentine]Source :
- Tree physiology [ 1758-4469 ] ; 2018.
Descripteurs français
- KwdFr :
- MESH :
- microbiologie : Maladies des plantes.
- physiologie : Basidiomycota, Feuilles de plante, Populus.
- Interactions hôte-pathogène, Photosynthèse.
English descriptors
- KwdEn :
- MESH :
- microbiology : Plant Diseases.
- physiology : Basidiomycota, Plant Leaves, Populus.
- Host-Pathogen Interactions, Photosynthesis.
Abstract
Rust produced by Melampsora sp. is considered one of the most relevant diseases in poplar plantations. Growth reduction in poplar plantations takes place because rust, like other pathogens, alters leaf physiology. There is not a complete evaluation of several of the physiological traits that can be affected by rust at leaf level. Therefore, the aim of this work was to evaluate, in an integrative way and in the same pathosystem, which physiological processes are affected when Populus deltoides Bartr. ex Marsh. leaves are infected by rust (Melampsora medusae Thümen). Leaves of two clones with different susceptibility to rust were analyzed. Field and pot experiments were performed, and several physiological traits were measured in healthy and infected leaves. We conclude that rust affects leaf mesophyll integrity, and so water movement in the leaf in liquid phase is affected. As a consequence, gas exchange is reduced, affecting both carbon fixation and transpiration. However, there is an increase in respiration rate, probably due to plant and fungal respiration. The increase in respiration rate is important in the reduction of net photosynthetic rate, but also some damage in the photosynthetic apparatus limits leaf capacity to fix carbon. The decrease in chlorophyll content would start later and seems not to explain the reduction in net photosynthetic rate. Both clones, although they have different susceptibility to rust, are affected in the same physiological mechanisms.
DOI: 10.1093/treephys/tpx174
PubMed: 29370416
Affiliations:
Links toward previous steps (curation, corpus...)
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wicri:level="1"><nlm:affiliation>INFIVE (CONICET-Universidad Nacional de La Plata), Diag 113 n° 495, CC 327, 1900 La Plata, Argentina.</nlm:affiliation><country xml:lang="fr">Argentine</country><wicri:regionArea>INFIVE (CONICET-Universidad Nacional de La Plata), Diag 113 n° 495, CC 327, 1900 La Plata</wicri:regionArea><wicri:noRegion>1900 La Plata</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>CCT CONICET La Plata, calle 8 n° 1467, 1900 La Plata, Argentina.</nlm:affiliation><country xml:lang="fr">Argentine</country><wicri:regionArea>CCT CONICET La Plata, calle 8 n° 1467, 1900 La Plata</wicri:regionArea><wicri:noRegion>1900 La Plata</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>Facultad de Ciencias Agrarias y Forestales, Universidad Nacional de La Plata, calle 60 y 118, 1900 La Plata, Argentina.</nlm:affiliation><country xml:lang="fr">Argentine</country><wicri:regionArea>Facultad de Ciencias Agrarias y Forestales, Universidad Nacional de La Plata, calle 60 y 118, 1900 La Plata</wicri:regionArea><wicri:noRegion>1900 La Plata</wicri:noRegion></affiliation></author></analytic><series><title level="j">Tree physiology</title><idno type="eISSN">1758-4469</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>Host-Pathogen Interactions (MeSH)</term><term>Photosynthesis (MeSH)</term><term>Plant Diseases (microbiology)</term><term>Plant Leaves (physiology)</term><term>Populus (physiology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Basidiomycota (physiologie)</term><term>Feuilles de plante (physiologie)</term><term>Interactions hôte-pathogène (MeSH)</term><term>Maladies des plantes (microbiologie)</term><term>Photosynthèse (MeSH)</term><term>Populus (physiologie)</term></keywords><keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Maladies des plantes</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Diseases</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Basidiomycota</term><term>Feuilles de plante</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Basidiomycota</term><term>Plant Leaves</term><term>Populus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Host-Pathogen Interactions</term><term>Photosynthesis</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Interactions hôte-pathogène</term><term>Photosynthèse</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Rust produced by Melampsora sp. is considered one of the most relevant diseases in poplar plantations. Growth reduction in poplar plantations takes place because rust, like other pathogens, alters leaf physiology. There is not a complete evaluation of several of the physiological traits that can be affected by rust at leaf level. Therefore, the aim of this work was to evaluate, in an integrative way and in the same pathosystem, which physiological processes are affected when Populus deltoides Bartr. ex Marsh. leaves are infected by rust (Melampsora medusae Thümen). Leaves of two clones with different susceptibility to rust were analyzed. Field and pot experiments were performed, and several physiological traits were measured in healthy and infected leaves. We conclude that rust affects leaf mesophyll integrity, and so water movement in the leaf in liquid phase is affected. As a consequence, gas exchange is reduced, affecting both carbon fixation and transpiration. However, there is an increase in respiration rate, probably due to plant and fungal respiration. The increase in respiration rate is important in the reduction of net photosynthetic rate, but also some damage in the photosynthetic apparatus limits leaf capacity to fix carbon. The decrease in chlorophyll content would start later and seems not to explain the reduction in net photosynthetic rate. Both clones, although they have different susceptibility to rust, are affected in the same physiological mechanisms.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">29370416</PMID><DateCompleted><Year>2018</Year><Month>11</Month><Day>19</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>19</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1758-4469</ISSN><JournalIssue CitedMedium="Internet"><Volume>38</Volume><Issue>6</Issue><PubDate><Year>2018</Year><Month>06</Month><Day>01</Day></PubDate></JournalIssue><Title>Tree physiology</Title><ISOAbbreviation>Tree Physiol</ISOAbbreviation></Journal><ArticleTitle>Plant-pathogen interactions: leaf physiology alterations in poplars infected with rust (Melampsora medusae).</ArticleTitle><Pagination><MedlinePgn>925-935</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1093/treephys/tpx174</ELocationID><Abstract><AbstractText>Rust produced by Melampsora sp. is considered one of the most relevant diseases in poplar plantations. Growth reduction in poplar plantations takes place because rust, like other pathogens, alters leaf physiology. There is not a complete evaluation of several of the physiological traits that can be affected by rust at leaf level. Therefore, the aim of this work was to evaluate, in an integrative way and in the same pathosystem, which physiological processes are affected when Populus deltoides Bartr. ex Marsh. leaves are infected by rust (Melampsora medusae Thümen). Leaves of two clones with different susceptibility to rust were analyzed. Field and pot experiments were performed, and several physiological traits were measured in healthy and infected leaves. We conclude that rust affects leaf mesophyll integrity, and so water movement in the leaf in liquid phase is affected. As a consequence, gas exchange is reduced, affecting both carbon fixation and transpiration. However, there is an increase in respiration rate, probably due to plant and fungal respiration. The increase in respiration rate is important in the reduction of net photosynthetic rate, but also some damage in the photosynthetic apparatus limits leaf capacity to fix carbon. The decrease in chlorophyll content would start later and seems not to explain the reduction in net photosynthetic rate. Both clones, although they have different susceptibility to rust, are affected in the same physiological mechanisms.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Gortari</LastName><ForeName>Fermín</ForeName><Initials>F</Initials><AffiliationInfo><Affiliation>INFIVE (CONICET-Universidad Nacional de La Plata), Diag 113 n° 495, CC 327, 1900 La Plata, Argentina.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Facultad de Ciencias Forestales, Universidad Nacional de Misiones, Bertoni 124, 3380 Eldorado, Misiones, Argentina.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Guiamet</LastName><ForeName>Juan José</ForeName><Initials>JJ</Initials><AffiliationInfo><Affiliation>INFIVE (CONICET-Universidad Nacional de La Plata), Diag 113 n° 495, CC 327, 1900 La Plata, Argentina.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, calle 60 y 122, 1900 La Plata, Argentina.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>CCT CONICET La Plata, calle 8 n° 1467, 1900 La Plata, Argentina.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Graciano</LastName><ForeName>Corina</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>INFIVE (CONICET-Universidad Nacional de La Plata), Diag 113 n° 495, CC 327, 1900 La Plata, Argentina.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>CCT CONICET La Plata, calle 8 n° 1467, 1900 La Plata, Argentina.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Facultad de Ciencias Agrarias y Forestales, Universidad Nacional de La Plata, calle 60 y 118, 1900 La Plata, Argentina.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Canada</Country><MedlineTA>Tree Physiol</MedlineTA><NlmUniqueID>100955338</NlmUniqueID><ISSNLinking>0829-318X</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="D054884" MajorTopicYN="N">Host-Pathogen Interactions</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010788" MajorTopicYN="N">Photosynthesis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010935" MajorTopicYN="N">Plant Diseases</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2017</Year><Month>05</Month><Day>11</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2017</Year><Month>12</Month><Day>19</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2018</Year><Month>1</Month><Day>26</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2018</Year><Month>11</Month><Day>20</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2018</Year><Month>1</Month><Day>26</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">29370416</ArticleId><ArticleId IdType="pii">4821271</ArticleId><ArticleId IdType="doi">10.1093/treephys/tpx174</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Argentine</li></country></list><tree><country name="Argentine"><noRegion><name sortKey="Gortari, Fermin" sort="Gortari, Fermin" uniqKey="Gortari F" first="Fermín" last="Gortari">Fermín Gortari</name></noRegion><name sortKey="Gortari, Fermin" sort="Gortari, Fermin" uniqKey="Gortari F" first="Fermín" last="Gortari">Fermín Gortari</name><name sortKey="Graciano, Corina" sort="Graciano, Corina" uniqKey="Graciano C" first="Corina" last="Graciano">Corina Graciano</name><name sortKey="Graciano, Corina" sort="Graciano, Corina" uniqKey="Graciano C" first="Corina" last="Graciano">Corina Graciano</name><name sortKey="Graciano, Corina" sort="Graciano, Corina" uniqKey="Graciano C" first="Corina" last="Graciano">Corina Graciano</name><name sortKey="Guiamet, Juan Jose" sort="Guiamet, Juan Jose" uniqKey="Guiamet J" first="Juan José" last="Guiamet">Juan José Guiamet</name><name sortKey="Guiamet, Juan Jose" sort="Guiamet, Juan Jose" uniqKey="Guiamet J" first="Juan José" last="Guiamet">Juan José Guiamet</name><name sortKey="Guiamet, Juan Jose" sort="Guiamet, Juan Jose" uniqKey="Guiamet J" first="Juan José" last="Guiamet">Juan José Guiamet</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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