Differences in growth and physiological traits of two poplars originating from different altitudes as affected by UV-B radiation and nutrient availability.
Identifieur interne : 003312 ( Main/Exploration ); précédent : 003311; suivant : 003313Differences in growth and physiological traits of two poplars originating from different altitudes as affected by UV-B radiation and nutrient availability.
Auteurs : Jian Ren [République populaire de Chine] ; Baoli Duan ; Xiaolu Zhang ; Helena Korpelainen ; Chunyang LiSource :
- Physiologia plantarum [ 1399-3054 ] ; 2010.
Descripteurs français
- KwdFr :
- Acide ascorbique (analyse), Altitude (MeSH), Ascorbate peroxidases (MeSH), Chine (MeSH), Chlorophylle (analyse), Isotopes du carbone (analyse), Myeloperoxidase (métabolisme), Peroxidases (métabolisme), Populus (croissance et développement), Populus (effets des radiations), Populus (physiologie), Proline (analyse), Rayons ultraviolets (MeSH), Spécificité d'espèce (MeSH).
- MESH :
- analyse : Acide ascorbique, Chlorophylle, Isotopes du carbone, Proline.
- croissance et développement : Populus.
- effets des radiations : Populus.
- métabolisme : Myeloperoxidase, Peroxidases.
- physiologie : Populus.
- Altitude, Ascorbate peroxidases, Chine, Rayons ultraviolets, Spécificité d'espèce.
- Wicri :
- geographic : République populaire de Chine.
English descriptors
- KwdEn :
- Altitude (MeSH), Ascorbate Peroxidases (MeSH), Ascorbic Acid (analysis), Carbon Isotopes (analysis), China (MeSH), Chlorophyll (analysis), Peroxidase (metabolism), Peroxidases (metabolism), Populus (growth & development), Populus (physiology), Populus (radiation effects), Proline (analysis), Species Specificity (MeSH), Ultraviolet Rays (MeSH).
- MESH :
- chemical , analysis : Ascorbic Acid, Carbon Isotopes, Chlorophyll, Proline.
- chemical , metabolism : Peroxidase, Peroxidases.
- chemical : Ascorbate Peroxidases.
- geographic : China.
- growth & development : Populus.
- physiology : Populus.
- radiation effects : Populus.
- Altitude, Species Specificity, Ultraviolet Rays.
Abstract
Cuttings of Populus kangdingensis and Populus cathayana originating from altitudes of 3500 and 1500 m in southwestern China, respectively, were grown for one growing season in the field under ambient or ambient plus supplemental ultraviolet-B (UV-B) radiation with two levels of nutrients. In both species, enhanced UV-B radiation significantly increased UV-B absorbing compounds and guaiacol peroxidase (GPX) activity, while no significant effects were observed in photosynthetic pigments and proline content. On the other hand, cuttings grown with high-nutrient availability had larger leaf area, higher total biomass and GPX activity as well as higher water use efficiency (WUE) (as measured by stable carbon isotope composition, delta(13)C) when compared with low-nutrient conditions, while UV-B absorbing compounds and ascorbic acid (AsA) content significantly decreased. Differences in responses to enhanced UV-B radiation and nutrient availability were observed between the two species. Nutrient-induced increases in chlorophyll a, chlorophyll b and total chlorophyll as well as in carotenoids were greater in P. kangdingensis than in P. cathayana. In P. cathayana, enhanced UV-B radiation significantly decreased leaf area and total biomass, while it significantly increased WUE and ascorbate peroxidase (APX). In contrast, such changes were not observed in P. kangdingensis. In addition, the effects of enhanced UV-B radiation on leaf area, total biomass and UV-B absorbing compounds were closely related to the nutrient status. Our results indicated that P. kangdingensis, which originates from the altitude of 3500 m and is apparently adapted to low-nutrient and high-UV-B habitats, exhibits better tolerance to enhanced UV-B radiation and greater growth under low-nutrient availability than does P. cathayana originating from the altitude of 1500 m.
DOI: 10.1111/j.1399-3054.2009.01328.x
PubMed: 20002600
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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different altitudes as affected by UV-B radiation and nutrient availability.</title><author><name sortKey="Ren, Jian" sort="Ren, Jian" uniqKey="Ren J" first="Jian" last="Ren">Jian Ren</name><affiliation wicri:level="1"><nlm:affiliation>Faculty of Grassland Sciences, Yunnan Agricultural University, Kunming 650201, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Faculty of Grassland Sciences, Yunnan Agricultural University, Kunming 650201</wicri:regionArea><wicri:noRegion>Kunming 650201</wicri:noRegion></affiliation></author><author><name sortKey="Duan, Baoli" sort="Duan, Baoli" uniqKey="Duan B" first="Baoli" last="Duan">Baoli Duan</name></author><author><name sortKey="Zhang, Xiaolu" sort="Zhang, Xiaolu" uniqKey="Zhang X" first="Xiaolu" last="Zhang">Xiaolu Zhang</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">Physiologia plantarum</title><idno type="eISSN">1399-3054</idno><imprint><date when="2010" type="published">2010</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Altitude (MeSH)</term><term>Ascorbate Peroxidases (MeSH)</term><term>Ascorbic Acid (analysis)</term><term>Carbon Isotopes (analysis)</term><term>China (MeSH)</term><term>Chlorophyll (analysis)</term><term>Peroxidase (metabolism)</term><term>Peroxidases (metabolism)</term><term>Populus (growth & development)</term><term>Populus (physiology)</term><term>Populus (radiation effects)</term><term>Proline (analysis)</term><term>Species Specificity (MeSH)</term><term>Ultraviolet Rays (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Acide ascorbique (analyse)</term><term>Altitude (MeSH)</term><term>Ascorbate peroxidases (MeSH)</term><term>Chine (MeSH)</term><term>Chlorophylle (analyse)</term><term>Isotopes du carbone (analyse)</term><term>Myeloperoxidase (métabolisme)</term><term>Peroxidases (métabolisme)</term><term>Populus (croissance et développement)</term><term>Populus (effets des radiations)</term><term>Populus (physiologie)</term><term>Proline (analyse)</term><term>Rayons ultraviolets (MeSH)</term><term>Spécificité d'espèce (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Ascorbic Acid</term><term>Carbon Isotopes</term><term>Chlorophyll</term><term>Proline</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Peroxidase</term><term>Peroxidases</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Ascorbate Peroxidases</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>China</term></keywords><keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Acide ascorbique</term><term>Chlorophylle</term><term>Isotopes du carbone</term><term>Proline</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="métabolisme" xml:lang="fr"><term>Myeloperoxidase</term><term>Peroxidases</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="radiation effects" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Altitude</term><term>Species Specificity</term><term>Ultraviolet Rays</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Altitude</term><term>Ascorbate peroxidases</term><term>Chine</term><term>Rayons ultraviolets</term><term>Spécificité d'espèce</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>République populaire de Chine</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Cuttings of Populus kangdingensis and Populus cathayana originating from altitudes of 3500 and 1500 m in southwestern China, respectively, were grown for one growing season in the field under ambient or ambient plus supplemental ultraviolet-B (UV-B) radiation with two levels of nutrients. In both species, enhanced UV-B radiation significantly increased UV-B absorbing compounds and guaiacol peroxidase (GPX) activity, while no significant effects were observed in photosynthetic pigments and proline content. On the other hand, cuttings grown with high-nutrient availability had larger leaf area, higher total biomass and GPX activity as well as higher water use efficiency (WUE) (as measured by stable carbon isotope composition, delta(13)C) when compared with low-nutrient conditions, while UV-B absorbing compounds and ascorbic acid (AsA) content significantly decreased. Differences in responses to enhanced UV-B radiation and nutrient availability were observed between the two species. Nutrient-induced increases in chlorophyll a, chlorophyll b and total chlorophyll as well as in carotenoids were greater in P. kangdingensis than in P. cathayana. In P. cathayana, enhanced UV-B radiation significantly decreased leaf area and total biomass, while it significantly increased WUE and ascorbate peroxidase (APX). In contrast, such changes were not observed in P. kangdingensis. In addition, the effects of enhanced UV-B radiation on leaf area, total biomass and UV-B absorbing compounds were closely related to the nutrient status. Our results indicated that P. kangdingensis, which originates from the altitude of 3500 m and is apparently adapted to low-nutrient and high-UV-B habitats, exhibits better tolerance to enhanced UV-B radiation and greater growth under low-nutrient availability than does P. cathayana originating from the altitude of 1500 m.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">20002600</PMID><DateCompleted><Year>2010</Year><Month>07</Month><Day>14</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1399-3054</ISSN><JournalIssue CitedMedium="Internet"><Volume>138</Volume><Issue>3</Issue><PubDate><Year>2010</Year><Month>Mar</Month></PubDate></JournalIssue><Title>Physiologia plantarum</Title><ISOAbbreviation>Physiol Plant</ISOAbbreviation></Journal><ArticleTitle>Differences in growth and physiological traits of two poplars originating from different altitudes as affected by UV-B radiation and nutrient availability.</ArticleTitle><Pagination><MedlinePgn>278-88</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/j.1399-3054.2009.01328.x</ELocationID><Abstract><AbstractText>Cuttings of Populus kangdingensis and Populus cathayana originating from altitudes of 3500 and 1500 m in southwestern China, respectively, were grown for one growing season in the field under ambient or ambient plus supplemental ultraviolet-B (UV-B) radiation with two levels of nutrients. In both species, enhanced UV-B radiation significantly increased UV-B absorbing compounds and guaiacol peroxidase (GPX) activity, while no significant effects were observed in photosynthetic pigments and proline content. On the other hand, cuttings grown with high-nutrient availability had larger leaf area, higher total biomass and GPX activity as well as higher water use efficiency (WUE) (as measured by stable carbon isotope composition, delta(13)C) when compared with low-nutrient conditions, while UV-B absorbing compounds and ascorbic acid (AsA) content significantly decreased. Differences in responses to enhanced UV-B radiation and nutrient availability were observed between the two species. Nutrient-induced increases in chlorophyll a, chlorophyll b and total chlorophyll as well as in carotenoids were greater in P. kangdingensis than in P. cathayana. In P. cathayana, enhanced UV-B radiation significantly decreased leaf area and total biomass, while it significantly increased WUE and ascorbate peroxidase (APX). In contrast, such changes were not observed in P. kangdingensis. In addition, the effects of enhanced UV-B radiation on leaf area, total biomass and UV-B absorbing compounds were closely related to the nutrient status. Our results indicated that P. kangdingensis, which originates from the altitude of 3500 m and is apparently adapted to low-nutrient and high-UV-B habitats, exhibits better tolerance to enhanced UV-B radiation and greater growth under low-nutrient availability than does P. cathayana originating from the altitude of 1500 m.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Ren</LastName><ForeName>Jian</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Faculty of Grassland Sciences, Yunnan Agricultural University, Kunming 650201, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Duan</LastName><ForeName>Baoli</ForeName><Initials>B</Initials></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Xiaolu</ForeName><Initials>X</Initials></Author><Author ValidYN="Y"><LastName>Korpelainen</LastName><ForeName>Helena</ForeName><Initials>H</Initials></Author><Author 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UI="Q000032" MajorTopicYN="N">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002247" MajorTopicYN="N">Carbon Isotopes</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002681" MajorTopicYN="N" Type="Geographic">China</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002734" MajorTopicYN="N">Chlorophyll</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName></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="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName><QualifierName UI="Q000528" MajorTopicYN="Y">radiation effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D011392" MajorTopicYN="N">Proline</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName></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="entrez"><Year>2009</Year><Month>12</Month><Day>17</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2009</Year><Month>12</Month><Day>17</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2010</Year><Month>7</Month><Day>16</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">20002600</ArticleId><ArticleId IdType="pii">PPL1328</ArticleId><ArticleId IdType="doi">10.1111/j.1399-3054.2009.01328.x</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><noCountry><name sortKey="Duan, Baoli" sort="Duan, Baoli" uniqKey="Duan B" first="Baoli" last="Duan">Baoli Duan</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></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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