Reciprocal grafting separates the roles of the root and shoot in sex-related drought responses in Populus cathayana males and females.
Identifieur interne : 002508 ( Main/Exploration ); précédent : 002507; suivant : 002509Reciprocal grafting separates the roles of the root and shoot in sex-related drought responses in Populus cathayana males and females.
Auteurs : Ying Han [République populaire de Chine] ; Yuhua Wang ; Hao Jiang ; Maolin Wang ; Helena Korpelainen ; Chunyang LiSource :
- Plant, cell & environment [ 1365-3040 ] ; 2013.
Descripteurs français
- KwdFr :
- Biomasse (MeSH), Cellules du mésophylle (cytologie), Cellules du mésophylle (ultrastructure), Dioxyde de carbone (métabolisme), Eau (métabolisme), Isotopes du carbone (MeSH), Photosynthèse (MeSH), Populus (cytologie), Populus (physiologie), Populus (ultrastructure), Pousses de plante (cytologie), Pousses de plante (physiologie), Pousses de plante (ultrastructure), Racines de plante (cytologie), Racines de plante (physiologie), Racines de plante (ultrastructure), Sécheresses (MeSH).
- MESH :
- cytologie : Cellules du mésophylle, Populus, Pousses de plante, Racines de plante.
- métabolisme : Dioxyde de carbone, Eau.
- physiologie : Populus, Pousses de plante, Racines de plante.
- ultrastructure : Biomasse, Cellules du mésophylle, Isotopes du carbone, Photosynthèse, Populus, Pousses de plante, Racines de plante, Sécheresses.
English descriptors
- KwdEn :
- Biomass (MeSH), Carbon Dioxide (metabolism), Carbon Isotopes (MeSH), Droughts (MeSH), Mesophyll Cells (cytology), Mesophyll Cells (ultrastructure), Photosynthesis (MeSH), Plant Roots (cytology), Plant Roots (physiology), Plant Roots (ultrastructure), Plant Shoots (cytology), Plant Shoots (physiology), Plant Shoots (ultrastructure), Populus (cytology), Populus (physiology), Populus (ultrastructure), Water (metabolism).
- MESH :
- chemical , metabolism : Carbon Dioxide, Water.
- cytology : Mesophyll Cells, Plant Roots, Plant Shoots, Populus.
- physiology : Plant Roots, Plant Shoots, Populus.
- ultrastructure : Mesophyll Cells, Plant Roots, Plant Shoots, Populus.
- Biomass, Carbon Isotopes, Droughts, Photosynthesis.
Abstract
Drought stress responses and sensitivity of dioecious plants, such as Populus cathayana Rehd., are determined by different mechanisms in each sex. In general, males tend to be more resistant while females are more sensitive. Here, we used reciprocal grafting between males and females to determine the relative importance of roots and shoots when plants are exposed to drought stress. Total dry matter accumulation (DMA), photosynthetic capacity, long-term water-use efficiency (Δ), water potential and ultrastructure of mesophyll cells were evaluated to determine the different roles of root and shoot in sex-related drought responses. Plants with male roots were found to be more resistant and less sensitive to water stress than those with female roots under drought conditions. On the contrary, plants with female shoots grew better than those with male shoots under well-watered conditions. These results indicated that the sensitivity of males and females to water stress is primarily influenced by root processes, while under well-watered conditions sexual differences in growth are primarily driven by shoot processes. Furthermore, grafting female shoot scion onto male rootstock was proved to be an effective mean to improve resistance to water stress in P. cathayana females.
DOI: 10.1111/j.1365-3040.2012.02578.x
PubMed: 22788254
Affiliations:
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last="Jiang">Hao Jiang</name></author><author><name sortKey="Wang, Maolin" sort="Wang, Maolin" uniqKey="Wang M" first="Maolin" last="Wang">Maolin Wang</name></author><author><name sortKey="Korpelainen, Helena" sort="Korpelainen, Helena" uniqKey="Korpelainen H" first="Helena" last="Korpelainen">Helena Korpelainen</name></author><author><name sortKey="Li, Chunyang" sort="Li, Chunyang" uniqKey="Li C" first="Chunyang" last="Li">Chunyang Li</name></author></analytic><series><title level="j">Plant, cell & environment</title><idno type="eISSN">1365-3040</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biomass (MeSH)</term><term>Carbon Dioxide (metabolism)</term><term>Carbon Isotopes (MeSH)</term><term>Droughts (MeSH)</term><term>Mesophyll Cells (cytology)</term><term>Mesophyll Cells (ultrastructure)</term><term>Photosynthesis (MeSH)</term><term>Plant Roots (cytology)</term><term>Plant Roots (physiology)</term><term>Plant Roots (ultrastructure)</term><term>Plant Shoots (cytology)</term><term>Plant Shoots (physiology)</term><term>Plant Shoots (ultrastructure)</term><term>Populus (cytology)</term><term>Populus (physiology)</term><term>Populus (ultrastructure)</term><term>Water (metabolism)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Biomasse (MeSH)</term><term>Cellules du mésophylle (cytologie)</term><term>Cellules du mésophylle (ultrastructure)</term><term>Dioxyde de carbone (métabolisme)</term><term>Eau (métabolisme)</term><term>Isotopes du carbone (MeSH)</term><term>Photosynthèse (MeSH)</term><term>Populus (cytologie)</term><term>Populus (physiologie)</term><term>Populus (ultrastructure)</term><term>Pousses de plante (cytologie)</term><term>Pousses de plante (physiologie)</term><term>Pousses de plante (ultrastructure)</term><term>Racines de plante (cytologie)</term><term>Racines de plante (physiologie)</term><term>Racines de plante (ultrastructure)</term><term>Sécheresses (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Carbon Dioxide</term><term>Water</term></keywords><keywords scheme="MESH" qualifier="cytologie" xml:lang="fr"><term>Cellules du mésophylle</term><term>Populus</term><term>Pousses de plante</term><term>Racines de plante</term></keywords><keywords scheme="MESH" qualifier="cytology" xml:lang="en"><term>Mesophyll Cells</term><term>Plant Roots</term><term>Plant Shoots</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Dioxyde de carbone</term><term>Eau</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Populus</term><term>Pousses de plante</term><term>Racines de plante</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Plant Roots</term><term>Plant Shoots</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="ultrastructure" xml:lang="en"><term>Mesophyll Cells</term><term>Plant Roots</term><term>Plant Shoots</term><term>Populus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biomass</term><term>Carbon Isotopes</term><term>Droughts</term><term>Photosynthesis</term></keywords><keywords scheme="MESH" qualifier="ultrastructure" xml:lang="fr"><term>Biomasse</term><term>Cellules du mésophylle</term><term>Isotopes du carbone</term><term>Photosynthèse</term><term>Populus</term><term>Pousses de plante</term><term>Racines de plante</term><term>Sécheresses</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Drought stress responses and sensitivity of dioecious plants, such as Populus cathayana Rehd., are determined by different mechanisms in each sex. In general, males tend to be more resistant while females are more sensitive. Here, we used reciprocal grafting between males and females to determine the relative importance of roots and shoots when plants are exposed to drought stress. Total dry matter accumulation (DMA), photosynthetic capacity, long-term water-use efficiency (Δ), water potential and ultrastructure of mesophyll cells were evaluated to determine the different roles of root and shoot in sex-related drought responses. Plants with male roots were found to be more resistant and less sensitive to water stress than those with female roots under drought conditions. On the contrary, plants with female shoots grew better than those with male shoots under well-watered conditions. These results indicated that the sensitivity of males and females to water stress is primarily influenced by root processes, while under well-watered conditions sexual differences in growth are primarily driven by shoot processes. Furthermore, grafting female shoot scion onto male rootstock was proved to be an effective mean to improve resistance to water stress in P. cathayana females.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">22788254</PMID><DateCompleted><Year>2013</Year><Month>06</Month><Day>11</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1365-3040</ISSN><JournalIssue CitedMedium="Internet"><Volume>36</Volume><Issue>2</Issue><PubDate><Year>2013</Year><Month>Feb</Month></PubDate></JournalIssue><Title>Plant, cell & environment</Title><ISOAbbreviation>Plant Cell Environ</ISOAbbreviation></Journal><ArticleTitle>Reciprocal grafting separates the roles of the root and shoot in sex-related drought responses in Populus cathayana males and females.</ArticleTitle><Pagination><MedlinePgn>356-64</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/j.1365-3040.2012.02578.x</ELocationID><Abstract><AbstractText>Drought stress responses and sensitivity of dioecious plants, such as Populus cathayana Rehd., are determined by different mechanisms in each sex. In general, males tend to be more resistant while females are more sensitive. Here, we used reciprocal grafting between males and females to determine the relative importance of roots and shoots when plants are exposed to drought stress. Total dry matter accumulation (DMA), photosynthetic capacity, long-term water-use efficiency (Δ), water potential and ultrastructure of mesophyll cells were evaluated to determine the different roles of root and shoot in sex-related drought responses. Plants with male roots were found to be more resistant and less sensitive to water stress than those with female roots under drought conditions. On the contrary, plants with female shoots grew better than those with male shoots under well-watered conditions. These results indicated that the sensitivity of males and females to water stress is primarily influenced by root processes, while under well-watered conditions sexual differences in growth are primarily driven by shoot processes. Furthermore, grafting female shoot scion onto male rootstock was proved to be an effective mean to improve resistance to water stress in P. cathayana females.</AbstractText><CopyrightInformation>© 2012 Blackwell Publishing Ltd.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Han</LastName><ForeName>Ying</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>Chengdu Institute of Biology, Chinese Academy of Sciences, PO Box 416, Chengdu 610041, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Yuhua</ForeName><Initials>Y</Initials></Author><Author ValidYN="Y"><LastName>Jiang</LastName><ForeName>Hao</ForeName><Initials>H</Initials></Author><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Maolin</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Korpelainen</LastName><ForeName>Helena</ForeName><Initials>H</Initials></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Chunyang</ForeName><Initials>C</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2012</Year><Month>08</Month><Day>07</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Plant Cell Environ</MedlineTA><NlmUniqueID>9309004</NlmUniqueID><ISSNLinking>0140-7791</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D002247">Carbon Isotopes</NameOfSubstance></Chemical><Chemical><RegistryNumber>059QF0KO0R</RegistryNumber><NameOfSubstance UI="D014867">Water</NameOfSubstance></Chemical><Chemical><RegistryNumber>142M471B3J</RegistryNumber><NameOfSubstance UI="D002245">Carbon 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MajorTopicYN="N">metabolism</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2012</Year><Month>7</Month><Day>14</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2012</Year><Month>7</Month><Day>14</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2013</Year><Month>6</Month><Day>12</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">22788254</ArticleId><ArticleId IdType="doi">10.1111/j.1365-3040.2012.02578.x</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><noCountry><name sortKey="Jiang, Hao" sort="Jiang, Hao" uniqKey="Jiang H" first="Hao" last="Jiang">Hao Jiang</name><name sortKey="Korpelainen, Helena" sort="Korpelainen, Helena" uniqKey="Korpelainen H" first="Helena" last="Korpelainen">Helena Korpelainen</name><name sortKey="Li, Chunyang" sort="Li, Chunyang" uniqKey="Li C" first="Chunyang" last="Li">Chunyang Li</name><name sortKey="Wang, Maolin" sort="Wang, Maolin" uniqKey="Wang M" first="Maolin" last="Wang">Maolin Wang</name><name sortKey="Wang, Yuhua" sort="Wang, Yuhua" uniqKey="Wang Y" first="Yuhua" last="Wang">Yuhua Wang</name></noCountry><country name="République populaire de Chine"><noRegion><name sortKey="Han, Ying" sort="Han, Ying" uniqKey="Han Y" first="Ying" last="Han">Ying Han</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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