Different growth sensitivity to enhanced UV-B radiation between male and female Populus cathayana.
Identifieur interne : 003311 ( Main/Exploration ); précédent : 003310; suivant : 003312Different growth sensitivity to enhanced UV-B radiation between male and female Populus cathayana.
Auteurs : Xiao Xu [République populaire de Chine] ; Hongxia Zhao ; Xiaolu Zhang ; Heikki H Nninen ; Helena Korpelainen ; Chunyang LiSource :
- Tree physiology [ 0829-318X ] ; 2010.
Descripteurs français
- KwdFr :
- Acide abscissique (métabolisme), Biomasse (MeSH), Chlorophylle (métabolisme), Eau (métabolisme), Feuilles de plante (composition chimique), Feuilles de plante (métabolisme), Malonaldéhyde (métabolisme), Peroxidases (métabolisme), Populus (croissance et développement), Populus (effets des radiations), Rayons ultraviolets (MeSH), Superoxide dismutase (métabolisme), Transpiration des plantes (MeSH).
- MESH :
- composition chimique : Feuilles de plante.
- croissance et développement : Populus.
- effets des radiations : Populus.
- métabolisme : Acide abscissique, Chlorophylle, Eau, Feuilles de plante, Malonaldéhyde, Peroxidases, Superoxide dismutase.
- Biomasse, Rayons ultraviolets, Transpiration des plantes.
English descriptors
- KwdEn :
- Abscisic Acid (metabolism), Biomass (MeSH), Chlorophyll (metabolism), Malondialdehyde (metabolism), Peroxidases (metabolism), Plant Leaves (chemistry), Plant Leaves (metabolism), Plant Transpiration (MeSH), Populus (growth & development), Populus (radiation effects), Superoxide Dismutase (metabolism), Ultraviolet Rays (MeSH), Water (metabolism).
- MESH :
- chemical , metabolism : Abscisic Acid, Chlorophyll, Malondialdehyde, Peroxidases, Superoxide Dismutase, Water.
- chemistry : Plant Leaves.
- growth & development : Populus.
- metabolism : Plant Leaves.
- radiation effects : Populus.
- Biomass, Plant Transpiration, Ultraviolet Rays.
Abstract
We investigated sex-related morphological and physiological responses to enhanced UV-B radiation in the dioecious species Populus cathayana Rehd. Cuttings were subjected to two UV-B radiation regimes: ambient (4.5 kJ m⁻² day⁻¹) and enhanced (12.5 kJ m⁻² day⁻¹) biologically effective UV-B radiation for one growing season. Enhanced UV-B radiation was found to significantly decrease the shoot height and basal diameter and to reduce the leaf area, dry matter accumulation, net photosynthesis rate (P(n)), chlorophyll a/b ratio (Chl a/b) and anthocyanin content. Enhanced UV-B radiation also increased chlorophyll pigment, leaf nitrogen, malondialdehyde and abscisic acid (ABA) content, superoxide dismutase and peroxidase activities and UV-B-absorbing compounds. No significant effects of enhanced UV-B radiation were found on biomass allocation, gas exchange (except for P(n)), photochemical efficiency of photosystem II or water use efficiency. Moreover, different sensitivity to enhanced UV-B radiation between males and females was detected. Under enhanced UV-B radiation, males exhibited significantly higher basal diameter and leaf nitrogen, and lower Chl a/b, ABA content, UV-B-absorbing compounds, as well as less decrement of leaf area and dry matter accumulation than did females. However, no significant sexual differences in these traits were found under ambient UV-B radiation. Our results suggest that males may possess a greater UV-B resistance than do females, with males having a more efficient antioxidant system and higher anthocyanin content to alleviate UV-B penetration stress than females.
DOI: 10.1093/treephys/tpq094
PubMed: 21071771
Affiliations:
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Nninen, Heikki" uniqKey="H Nninen H" first="Heikki" last="H Nninen">Heikki H Nninen</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></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2010">2010</date><idno type="RBID">pubmed:21071771</idno><idno type="pmid">21071771</idno><idno type="doi">10.1093/treephys/tpq094</idno><idno type="wicri:Area/Main/Corpus">003016</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">003016</idno><idno type="wicri:Area/Main/Curation">003016</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">003016</idno><idno 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Zhang</name></author><author><name sortKey="H Nninen, Heikki" sort="H Nninen, Heikki" uniqKey="H Nninen H" first="Heikki" last="H Nninen">Heikki H Nninen</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">Tree physiology</title><idno type="ISSN">0829-318X</idno><imprint><date when="2010" type="published">2010</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Abscisic Acid (metabolism)</term><term>Biomass (MeSH)</term><term>Chlorophyll (metabolism)</term><term>Malondialdehyde (metabolism)</term><term>Peroxidases (metabolism)</term><term>Plant Leaves (chemistry)</term><term>Plant Leaves (metabolism)</term><term>Plant Transpiration (MeSH)</term><term>Populus (growth & development)</term><term>Populus (radiation effects)</term><term>Superoxide Dismutase (metabolism)</term><term>Ultraviolet Rays (MeSH)</term><term>Water (metabolism)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Acide abscissique (métabolisme)</term><term>Biomasse (MeSH)</term><term>Chlorophylle (métabolisme)</term><term>Eau (métabolisme)</term><term>Feuilles de plante (composition chimique)</term><term>Feuilles de plante (métabolisme)</term><term>Malonaldéhyde (métabolisme)</term><term>Peroxidases (métabolisme)</term><term>Populus (croissance et développement)</term><term>Populus (effets des radiations)</term><term>Rayons ultraviolets (MeSH)</term><term>Superoxide dismutase (métabolisme)</term><term>Transpiration des plantes (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Abscisic Acid</term><term>Chlorophyll</term><term>Malondialdehyde</term><term>Peroxidases</term><term>Superoxide Dismutase</term><term>Water</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Plant Leaves</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Feuilles de plante</term></keywords><keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="effets des radiations" xml:lang="fr"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Plant Leaves</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Acide abscissique</term><term>Chlorophylle</term><term>Eau</term><term>Feuilles de plante</term><term>Malonaldéhyde</term><term>Peroxidases</term><term>Superoxide dismutase</term></keywords><keywords scheme="MESH" qualifier="radiation effects" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biomass</term><term>Plant Transpiration</term><term>Ultraviolet Rays</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Biomasse</term><term>Rayons ultraviolets</term><term>Transpiration des plantes</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We investigated sex-related morphological and physiological responses to enhanced UV-B radiation in the dioecious species Populus cathayana Rehd. Cuttings were subjected to two UV-B radiation regimes: ambient (4.5 kJ m⁻² day⁻¹) and enhanced (12.5 kJ m⁻² day⁻¹) biologically effective UV-B radiation for one growing season. Enhanced UV-B radiation was found to significantly decrease the shoot height and basal diameter and to reduce the leaf area, dry matter accumulation, net photosynthesis rate (P(n)), chlorophyll a/b ratio (Chl a/b) and anthocyanin content. Enhanced UV-B radiation also increased chlorophyll pigment, leaf nitrogen, malondialdehyde and abscisic acid (ABA) content, superoxide dismutase and peroxidase activities and UV-B-absorbing compounds. No significant effects of enhanced UV-B radiation were found on biomass allocation, gas exchange (except for P(n)), photochemical efficiency of photosystem II or water use efficiency. Moreover, different sensitivity to enhanced UV-B radiation between males and females was detected. Under enhanced UV-B radiation, males exhibited significantly higher basal diameter and leaf nitrogen, and lower Chl a/b, ABA content, UV-B-absorbing compounds, as well as less decrement of leaf area and dry matter accumulation than did females. However, no significant sexual differences in these traits were found under ambient UV-B radiation. Our results suggest that males may possess a greater UV-B resistance than do females, with males having a more efficient antioxidant system and higher anthocyanin content to alleviate UV-B penetration stress than females.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">21071771</PMID><DateCompleted><Year>2011</Year><Month>03</Month><Day>08</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0829-318X</ISSN><JournalIssue CitedMedium="Print"><Volume>30</Volume><Issue>12</Issue><PubDate><Year>2010</Year><Month>Dec</Month></PubDate></JournalIssue><Title>Tree physiology</Title><ISOAbbreviation>Tree Physiol</ISOAbbreviation></Journal><ArticleTitle>Different growth sensitivity to enhanced UV-B radiation between male and female Populus cathayana.</ArticleTitle><Pagination><MedlinePgn>1489-98</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1093/treephys/tpq094</ELocationID><Abstract><AbstractText>We investigated sex-related morphological and physiological responses to enhanced UV-B radiation in the dioecious species Populus cathayana Rehd. Cuttings were subjected to two UV-B radiation regimes: ambient (4.5 kJ m⁻² day⁻¹) and enhanced (12.5 kJ m⁻² day⁻¹) biologically effective UV-B radiation for one growing season. Enhanced UV-B radiation was found to significantly decrease the shoot height and basal diameter and to reduce the leaf area, dry matter accumulation, net photosynthesis rate (P(n)), chlorophyll a/b ratio (Chl a/b) and anthocyanin content. Enhanced UV-B radiation also increased chlorophyll pigment, leaf nitrogen, malondialdehyde and abscisic acid (ABA) content, superoxide dismutase and peroxidase activities and UV-B-absorbing compounds. No significant effects of enhanced UV-B radiation were found on biomass allocation, gas exchange (except for P(n)), photochemical efficiency of photosystem II or water use efficiency. Moreover, different sensitivity to enhanced UV-B radiation between males and females was detected. Under enhanced UV-B radiation, males exhibited significantly higher basal diameter and leaf nitrogen, and lower Chl a/b, ABA content, UV-B-absorbing compounds, as well as less decrement of leaf area and dry matter accumulation than did females. However, no significant sexual differences in these traits were found under ambient UV-B radiation. Our results suggest that males may possess a greater UV-B resistance than do females, with males having a more efficient antioxidant system and higher anthocyanin content to alleviate UV-B penetration stress than females.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Xu</LastName><ForeName>Xiao</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>Chengdu Institute of Biology, Chinese Academy of Sciences, PO Box 416, Chengdu 610041, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zhao</LastName><ForeName>Hongxia</ForeName><Initials>H</Initials></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Xiaolu</ForeName><Initials>X</Initials></Author><Author ValidYN="Y"><LastName>Hänninen</LastName><ForeName>Heikki</ForeName><Initials>H</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>2010</Year><Month>11</Month><Day>11</Day></ArticleDate></Article><MedlineJournalInfo><Country>Canada</Country><MedlineTA>Tree Physiol</MedlineTA><NlmUniqueID>100955338</NlmUniqueID><ISSNLinking>0829-318X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>059QF0KO0R</RegistryNumber><NameOfSubstance UI="D014867">Water</NameOfSubstance></Chemical><Chemical><RegistryNumber>1406-65-1</RegistryNumber><NameOfSubstance UI="D002734">Chlorophyll</NameOfSubstance></Chemical><Chemical><RegistryNumber>4Y8F71G49Q</RegistryNumber><NameOfSubstance 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Dismutase</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014466" MajorTopicYN="Y">Ultraviolet Rays</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014867" MajorTopicYN="N">Water</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2010</Year><Month>11</Month><Day>13</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2010</Year><Month>11</Month><Day>13</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2011</Year><Month>3</Month><Day>9</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">21071771</ArticleId><ArticleId IdType="pii">tpq094</ArticleId><ArticleId IdType="doi">10.1093/treephys/tpq094</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><noCountry><name sortKey="H Nninen, Heikki" sort="H Nninen, Heikki" uniqKey="H Nninen H" first="Heikki" last="H Nninen">Heikki H Nninen</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="Zhang, Xiaolu" sort="Zhang, Xiaolu" uniqKey="Zhang X" first="Xiaolu" last="Zhang">Xiaolu Zhang</name><name sortKey="Zhao, Hongxia" sort="Zhao, Hongxia" uniqKey="Zhao H" first="Hongxia" last="Zhao">Hongxia Zhao</name></noCountry><country name="République populaire de Chine"><noRegion><name sortKey="Xu, Xiao" sort="Xu, Xiao" uniqKey="Xu X" first="Xiao" last="Xu">Xiao 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