Growth and physiological responses to supplemental UV-B radiation of two contrasting poplar species.
Identifieur interne : 003E01 ( Main/Exploration ); précédent : 003E00; suivant : 003E02Growth and physiological responses to supplemental UV-B radiation of two contrasting poplar species.
Auteurs : Jian Ren [République populaire de Chine] ; Yinan Yao ; Yongqing Yang ; Helena Korpelainen ; Olavi Junttila ; Chunyang LiSource :
- Tree physiology [ 0829-318X ] ; 2006.
Descripteurs français
- KwdFr :
- Adaptation physiologique (effets des radiations), Ascorbate peroxidases (MeSH), Biomasse (MeSH), Feuilles de plante (croissance et développement), Feuilles de plante (effets des radiations), Feuilles de plante (physiologie), Myeloperoxidase (métabolisme), Peroxidases (métabolisme), Photosynthèse (effets des radiations), Photosynthèse (physiologie), Populus (croissance et développement), Populus (effets des radiations), Populus (physiologie), Proline (métabolisme), Rayons ultraviolets (MeSH), Saisons (MeSH), Spécificité d'espèce (MeSH).
- MESH :
- croissance et développement : Feuilles de plante, Populus.
- effets des radiations : Adaptation physiologique, Feuilles de plante, Photosynthèse, Populus.
- métabolisme : Myeloperoxidase, Peroxidases, Proline.
- physiologie : Feuilles de plante, Photosynthèse, Populus.
- Ascorbate peroxidases, Biomasse, Rayons ultraviolets, Saisons, Spécificité d'espèce.
English descriptors
- KwdEn :
- Adaptation, Physiological (radiation effects), Ascorbate Peroxidases (MeSH), Biomass (MeSH), Peroxidase (metabolism), Peroxidases (metabolism), Photosynthesis (physiology), Photosynthesis (radiation effects), Plant Leaves (growth & development), Plant Leaves (physiology), Plant Leaves (radiation effects), Populus (growth & development), Populus (physiology), Populus (radiation effects), Proline (metabolism), Seasons (MeSH), Species Specificity (MeSH), Ultraviolet Rays (MeSH).
- MESH :
- chemical , metabolism : Peroxidase, Peroxidases, Proline.
- chemical : Ascorbate Peroxidases.
- growth & development : Plant Leaves, Populus.
- physiology : Photosynthesis, Plant Leaves, Populus.
- radiation effects : Adaptation, Physiological, Photosynthesis, Plant Leaves, Populus.
- Biomass, Seasons, Species Specificity, Ultraviolet Rays.
Abstract
We compared the growth and physiological responses of cuttings of Populus kangdingensis C. Wang et Tung and P. cathayana Rehder originating from altitudes of 3500 m and 1500 m, respectively, when exposed to three ultraviolet-B (UV-B) radiation regimes: zero UV-B, ambient (4.5 kJ m(-2) day(-1)) and twice-ambient (9 kJ m(-2) day(-1)) biologically effective UV-B radiation for one growing season, to determine if Populus trees that are adapted to contrasting UV-B habitats exhibit different tolerances to enhanced UV-B radiation. Compared with cuttings grown without UV-B radiation, twice-ambient UV-B radiation significantly decreased total biomass, total leaf area and internode length in both species, whereas root/shoot ratio, leaf number, amount of photosynthetic pigments and ascorbate peroxidase activity were unaffected. Differences in responses were also observed between the study species. Cutting height increment, total biomass, total leaf area, free proline concentration and membrane damage assessed by electrolyte leakage were significantly more affected by the twice-ambient UV-B radiation in P. cathayana than in P. kangdingensis. However, specific leaf mass, amount of UV-B absorbing compounds and superoxide dismutase and guaiacol peroxidase activities increased more with increasing UV-B radiation in P. kangdingensis than in P. cathayana, perhaps reflecting important characteristics of species with low to moderate tolerance to UV-B radiation. Overall, the results indicated that P. kangdingensis, which originates from altitudes of 3500 m, has greater tolerance to enhanced UV-B radiation than P. cathayana originating from altitudes of 1500 m.
DOI: 10.1093/treephys/26.5.665
PubMed: 16452080
Affiliations:
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Box 416, Chengdu 610041, P.R. China.</nlm:affiliation><country xml:lang="fr" wicri:curation="lc">République populaire de Chine</country><wicri:regionArea>Chengdu Institute of Biology, Chinese Academy of Sciences, P.O. Box 416, Chengdu 610041</wicri:regionArea><wicri:noRegion>Chengdu 610041</wicri:noRegion></affiliation></author><author><name sortKey="Yao, Yinan" sort="Yao, Yinan" uniqKey="Yao Y" first="Yinan" last="Yao">Yinan Yao</name></author><author><name sortKey="Yang, Yongqing" sort="Yang, Yongqing" uniqKey="Yang Y" first="Yongqing" last="Yang">Yongqing Yang</name></author><author><name sortKey="Korpelainen, Helena" sort="Korpelainen, Helena" uniqKey="Korpelainen H" first="Helena" last="Korpelainen">Helena Korpelainen</name></author><author><name sortKey="Junttila, Olavi" sort="Junttila, Olavi" uniqKey="Junttila O" first="Olavi" last="Junttila">Olavi Junttila</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="2006" type="published">2006</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adaptation, Physiological (radiation effects)</term><term>Ascorbate Peroxidases (MeSH)</term><term>Biomass (MeSH)</term><term>Peroxidase (metabolism)</term><term>Peroxidases (metabolism)</term><term>Photosynthesis (physiology)</term><term>Photosynthesis (radiation effects)</term><term>Plant Leaves (growth & development)</term><term>Plant Leaves (physiology)</term><term>Plant Leaves (radiation effects)</term><term>Populus (growth & development)</term><term>Populus (physiology)</term><term>Populus (radiation effects)</term><term>Proline (metabolism)</term><term>Seasons (MeSH)</term><term>Species Specificity (MeSH)</term><term>Ultraviolet Rays (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adaptation physiologique (effets des radiations)</term><term>Ascorbate peroxidases (MeSH)</term><term>Biomasse (MeSH)</term><term>Feuilles de plante (croissance et développement)</term><term>Feuilles de plante (effets des radiations)</term><term>Feuilles de plante (physiologie)</term><term>Myeloperoxidase (métabolisme)</term><term>Peroxidases (métabolisme)</term><term>Photosynthèse (effets des radiations)</term><term>Photosynthèse (physiologie)</term><term>Populus (croissance et développement)</term><term>Populus (effets des radiations)</term><term>Populus (physiologie)</term><term>Proline (métabolisme)</term><term>Rayons ultraviolets (MeSH)</term><term>Saisons (MeSH)</term><term>Spécificité d'espèce (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Peroxidase</term><term>Peroxidases</term><term>Proline</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Ascorbate Peroxidases</term></keywords><keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Feuilles de plante</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="effets des radiations" xml:lang="fr"><term>Adaptation physiologique</term><term>Feuilles de plante</term><term>Photosynthèse</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Plant Leaves</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Myeloperoxidase</term><term>Peroxidases</term><term>Proline</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Feuilles de plante</term><term>Photosynthèse</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Photosynthesis</term><term>Plant Leaves</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="radiation effects" xml:lang="en"><term>Adaptation, Physiological</term><term>Photosynthesis</term><term>Plant Leaves</term><term>Populus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biomass</term><term>Seasons</term><term>Species Specificity</term><term>Ultraviolet Rays</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Ascorbate peroxidases</term><term>Biomasse</term><term>Rayons ultraviolets</term><term>Saisons</term><term>Spécificité d'espèce</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We compared the growth and physiological responses of cuttings of Populus kangdingensis C. Wang et Tung and P. cathayana Rehder originating from altitudes of 3500 m and 1500 m, respectively, when exposed to three ultraviolet-B (UV-B) radiation regimes: zero UV-B, ambient (4.5 kJ m(-2) day(-1)) and twice-ambient (9 kJ m(-2) day(-1)) biologically effective UV-B radiation for one growing season, to determine if Populus trees that are adapted to contrasting UV-B habitats exhibit different tolerances to enhanced UV-B radiation. Compared with cuttings grown without UV-B radiation, twice-ambient UV-B radiation significantly decreased total biomass, total leaf area and internode length in both species, whereas root/shoot ratio, leaf number, amount of photosynthetic pigments and ascorbate peroxidase activity were unaffected. Differences in responses were also observed between the study species. Cutting height increment, total biomass, total leaf area, free proline concentration and membrane damage assessed by electrolyte leakage were significantly more affected by the twice-ambient UV-B radiation in P. cathayana than in P. kangdingensis. However, specific leaf mass, amount of UV-B absorbing compounds and superoxide dismutase and guaiacol peroxidase activities increased more with increasing UV-B radiation in P. kangdingensis than in P. cathayana, perhaps reflecting important characteristics of species with low to moderate tolerance to UV-B radiation. Overall, the results indicated that P. kangdingensis, which originates from altitudes of 3500 m, has greater tolerance to enhanced UV-B radiation than P. cathayana originating from altitudes of 1500 m.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">16452080</PMID><DateCompleted><Year>2007</Year><Month>06</Month><Day>26</Day></DateCompleted><DateRevised><Year>2019</Year><Month>05</Month><Day>13</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0829-318X</ISSN><JournalIssue CitedMedium="Print"><Volume>26</Volume><Issue>5</Issue><PubDate><Year>2006</Year><Month>May</Month></PubDate></JournalIssue><Title>Tree physiology</Title><ISOAbbreviation>Tree Physiol</ISOAbbreviation></Journal><ArticleTitle>Growth and physiological responses to supplemental UV-B radiation of two contrasting poplar species.</ArticleTitle><Pagination><MedlinePgn>665-72</MedlinePgn></Pagination><Abstract><AbstractText>We compared the growth and physiological responses of cuttings of Populus kangdingensis C. Wang et Tung and P. cathayana Rehder originating from altitudes of 3500 m and 1500 m, respectively, when exposed to three ultraviolet-B (UV-B) radiation regimes: zero UV-B, ambient (4.5 kJ m(-2) day(-1)) and twice-ambient (9 kJ m(-2) day(-1)) biologically effective UV-B radiation for one growing season, to determine if Populus trees that are adapted to contrasting UV-B habitats exhibit different tolerances to enhanced UV-B radiation. Compared with cuttings grown without UV-B radiation, twice-ambient UV-B radiation significantly decreased total biomass, total leaf area and internode length in both species, whereas root/shoot ratio, leaf number, amount of photosynthetic pigments and ascorbate peroxidase activity were unaffected. Differences in responses were also observed between the study species. Cutting height increment, total biomass, total leaf area, free proline concentration and membrane damage assessed by electrolyte leakage were significantly more affected by the twice-ambient UV-B radiation in P. cathayana than in P. kangdingensis. However, specific leaf mass, amount of UV-B absorbing compounds and superoxide dismutase and guaiacol peroxidase activities increased more with increasing UV-B radiation in P. kangdingensis than in P. cathayana, perhaps reflecting important characteristics of species with low to moderate tolerance to UV-B radiation. Overall, the results indicated that P. kangdingensis, which originates from altitudes of 3500 m, has greater tolerance to enhanced UV-B radiation than P. cathayana originating from altitudes of 1500 m.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Ren</LastName><ForeName>Jian</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Chengdu Institute of Biology, Chinese Academy of Sciences, P.O. Box 416, Chengdu 610041, P.R. China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Yao</LastName><ForeName>Yinan</ForeName><Initials>Y</Initials></Author><Author ValidYN="Y"><LastName>Yang</LastName><ForeName>Yongqing</ForeName><Initials>Y</Initials></Author><Author ValidYN="Y"><LastName>Korpelainen</LastName><ForeName>Helena</ForeName><Initials>H</Initials></Author><Author ValidYN="Y"><LastName>Junttila</LastName><ForeName>Olavi</ForeName><Initials>O</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></Article><MedlineJournalInfo><Country>Canada</Country><MedlineTA>Tree Physiol</MedlineTA><NlmUniqueID>100955338</NlmUniqueID><ISSNLinking>0829-318X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>9DLQ4CIU6V</RegistryNumber><NameOfSubstance UI="D011392">Proline</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.11.1.-</RegistryNumber><NameOfSubstance UI="D010544">Peroxidases</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.11.1.-</RegistryNumber><NameOfSubstance UI="C121048">guaiacol peroxidase</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.11.1.11</RegistryNumber><NameOfSubstance UI="D060387">Ascorbate Peroxidases</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.11.1.7</RegistryNumber><NameOfSubstance UI="D009195">Peroxidase</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000222" MajorTopicYN="N">Adaptation, Physiological</DescriptorName><QualifierName UI="Q000528" MajorTopicYN="N">radiation effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D060387" MajorTopicYN="N">Ascorbate Peroxidases</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018533" MajorTopicYN="N">Biomass</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009195" MajorTopicYN="N">Peroxidase</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010544" MajorTopicYN="N">Peroxidases</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010788" MajorTopicYN="N">Photosynthesis</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName><QualifierName UI="Q000528" MajorTopicYN="N">radiation effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName><QualifierName UI="Q000528" MajorTopicYN="Y">radiation effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName><QualifierName UI="Q000528" MajorTopicYN="Y">radiation effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D011392" MajorTopicYN="N">Proline</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012621" MajorTopicYN="N">Seasons</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013045" MajorTopicYN="N">Species Specificity</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014466" MajorTopicYN="Y">Ultraviolet Rays</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2006</Year><Month>2</Month><Day>3</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2007</Year><Month>6</Month><Day>27</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2006</Year><Month>2</Month><Day>3</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">16452080</ArticleId><ArticleId IdType="doi">10.1093/treephys/26.5.665</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><noCountry><name sortKey="Junttila, Olavi" sort="Junttila, Olavi" uniqKey="Junttila O" first="Olavi" last="Junttila">Olavi Junttila</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="Yang, Yongqing" sort="Yang, Yongqing" uniqKey="Yang Y" first="Yongqing" last="Yang">Yongqing Yang</name><name sortKey="Yao, Yinan" sort="Yao, Yinan" uniqKey="Yao Y" first="Yinan" last="Yao">Yinan Yao</name></noCountry><country name="République populaire de Chine"><noRegion><name sortKey="Ren, Jian" sort="Ren, Jian" uniqKey="Ren J" first="Jian" last="Ren">Jian Ren</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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