BVOC emission from Populus × canadensis saplings in response to acute UV-A radiation.
Identifieur interne : 002785 ( Main/Exploration ); précédent : 002784; suivant : 002786BVOC emission from Populus × canadensis saplings in response to acute UV-A radiation.
Auteurs : Emanuele Pallozzi [Italie] ; Alessio Fortunati ; Giovanni Marino ; Francesco Loreto ; Giovanni Agati ; Mauro CentrittoSource :
- Physiologia plantarum [ 1399-3054 ] ; 2013.
Descripteurs français
- KwdFr :
- Acétaldéhyde (métabolisme), Butadiènes (métabolisme), Carbone (métabolisme), Chlorophylle (métabolisme), Composés organiques volatils (métabolisme), Flavonoïdes (métabolisme), Hémiterpènes (métabolisme), Méthanol (métabolisme), Pentanes (métabolisme), Photosynthèse (MeSH), Populus (effets des radiations), Populus (métabolisme), Rayons ultraviolets (MeSH), Saisons (MeSH).
- MESH :
- effets des radiations : Populus.
- métabolisme : Acétaldéhyde, Butadiènes, Carbone, Chlorophylle, Composés organiques volatils, Flavonoïdes, Hémiterpènes, Méthanol, Pentanes, Populus.
- Photosynthèse, Rayons ultraviolets, Saisons.
English descriptors
- KwdEn :
- Acetaldehyde (metabolism), Butadienes (metabolism), Carbon (metabolism), Chlorophyll (metabolism), Flavonoids (metabolism), Hemiterpenes (metabolism), Methanol (metabolism), Pentanes (metabolism), Photosynthesis (MeSH), Populus (metabolism), Populus (radiation effects), Seasons (MeSH), Ultraviolet Rays (MeSH), Volatile Organic Compounds (metabolism).
- MESH :
- chemical , metabolism : Acetaldehyde, Butadienes, Carbon, Chlorophyll, Flavonoids, Hemiterpenes, Methanol, Pentanes, Volatile Organic Compounds.
- metabolism : Populus.
- radiation effects : Populus.
- Photosynthesis, Seasons, Ultraviolet Rays.
Abstract
Hybrid poplar (Populus × canadensis) saplings were subjected to acute ultraviolet-A (UV-A) irradiation (30 W m(-2) , ambient treatment, 60, 90 and 120 W m(-2) of UV-A irradiance) to determine the effects on photosynthesis and biogenic volatile organic compound (BVOC) emissions in two different short-term experiments (i.e. sequential increase in UV-A irradiance and UV-A intensity-response relationships). Both intensity-response experiments showed that the UV-A ambient treatment did not affect photosynthesis and BVOC emissions. Whereas exposition at 60, 90 and 120 W m(-2) of UV-A (first experiment), increasingly inhibited photosynthesis. This increasing inhibition was also detected by decreasing trends of both photochemical reflectance index (PRI) and fluorescence yield. Isoprene emission resulted to be very sensitive to increasing UV-A irradiances. Methanol was also very sensitive to high UV-A radiation, suggesting the occurrence of strong damages of cellular structures. The second experiment, which was performed both in the middle of July and repeated towards the end of the summer, showed a temporal variations in the UV-A intensity-response relationships. In fact, there were no longer significant differences in photosynthesis, PRI and isoprene emission in response to high UV-A radiation toward the end of the summer season. The adaxial flavonoid level increased significantly over the period monitored, resulting 85% higher toward the end of the summer than during the middle of the summer. This dramatic increase in the adaxial flavonoids may have played a protective role against UV-A radiation by shielding leaves. Our findings add to the understanding of physiological processes involved in plant response to UV radiation.
DOI: 10.1111/j.1399-3054.2012.01687.x
PubMed: 22931545
Affiliations:
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sortKey="Marino, Giovanni" sort="Marino, Giovanni" uniqKey="Marino G" first="Giovanni" last="Marino">Giovanni Marino</name></author><author><name sortKey="Loreto, Francesco" sort="Loreto, Francesco" uniqKey="Loreto F" first="Francesco" last="Loreto">Francesco Loreto</name></author><author><name sortKey="Agati, Giovanni" sort="Agati, Giovanni" uniqKey="Agati G" first="Giovanni" last="Agati">Giovanni Agati</name></author><author><name sortKey="Centritto, Mauro" sort="Centritto, Mauro" uniqKey="Centritto M" first="Mauro" last="Centritto">Mauro Centritto</name></author></analytic><series><title level="j">Physiologia plantarum</title><idno type="eISSN">1399-3054</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acetaldehyde (metabolism)</term><term>Butadienes (metabolism)</term><term>Carbon (metabolism)</term><term>Chlorophyll (metabolism)</term><term>Flavonoids (metabolism)</term><term>Hemiterpenes (metabolism)</term><term>Methanol (metabolism)</term><term>Pentanes (metabolism)</term><term>Photosynthesis (MeSH)</term><term>Populus (metabolism)</term><term>Populus (radiation effects)</term><term>Seasons (MeSH)</term><term>Ultraviolet Rays (MeSH)</term><term>Volatile Organic Compounds (metabolism)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Acétaldéhyde (métabolisme)</term><term>Butadiènes (métabolisme)</term><term>Carbone (métabolisme)</term><term>Chlorophylle (métabolisme)</term><term>Composés organiques volatils (métabolisme)</term><term>Flavonoïdes (métabolisme)</term><term>Hémiterpènes (métabolisme)</term><term>Méthanol (métabolisme)</term><term>Pentanes (métabolisme)</term><term>Photosynthèse (MeSH)</term><term>Populus (effets des radiations)</term><term>Populus (métabolisme)</term><term>Rayons ultraviolets (MeSH)</term><term>Saisons (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Acetaldehyde</term><term>Butadienes</term><term>Carbon</term><term>Chlorophyll</term><term>Flavonoids</term><term>Hemiterpenes</term><term>Methanol</term><term>Pentanes</term><term>Volatile Organic Compounds</term></keywords><keywords scheme="MESH" qualifier="effets des radiations" xml:lang="fr"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Acétaldéhyde</term><term>Butadiènes</term><term>Carbone</term><term>Chlorophylle</term><term>Composés organiques volatils</term><term>Flavonoïdes</term><term>Hémiterpènes</term><term>Méthanol</term><term>Pentanes</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="radiation effects" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Photosynthesis</term><term>Seasons</term><term>Ultraviolet Rays</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Photosynthèse</term><term>Rayons ultraviolets</term><term>Saisons</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Hybrid poplar (Populus × canadensis) saplings were subjected to acute ultraviolet-A (UV-A) irradiation (30 W m(-2) , ambient treatment, 60, 90 and 120 W m(-2) of UV-A irradiance) to determine the effects on photosynthesis and biogenic volatile organic compound (BVOC) emissions in two different short-term experiments (i.e. sequential increase in UV-A irradiance and UV-A intensity-response relationships). Both intensity-response experiments showed that the UV-A ambient treatment did not affect photosynthesis and BVOC emissions. Whereas exposition at 60, 90 and 120 W m(-2) of UV-A (first experiment), increasingly inhibited photosynthesis. This increasing inhibition was also detected by decreasing trends of both photochemical reflectance index (PRI) and fluorescence yield. Isoprene emission resulted to be very sensitive to increasing UV-A irradiances. Methanol was also very sensitive to high UV-A radiation, suggesting the occurrence of strong damages of cellular structures. The second experiment, which was performed both in the middle of July and repeated towards the end of the summer, showed a temporal variations in the UV-A intensity-response relationships. In fact, there were no longer significant differences in photosynthesis, PRI and isoprene emission in response to high UV-A radiation toward the end of the summer season. The adaxial flavonoid level increased significantly over the period monitored, resulting 85% higher toward the end of the summer than during the middle of the summer. This dramatic increase in the adaxial flavonoids may have played a protective role against UV-A radiation by shielding leaves. Our findings add to the understanding of physiological processes involved in plant response to UV radiation.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">22931545</PMID><DateCompleted><Year>2014</Year><Month>01</Month><Day>13</Day></DateCompleted><DateRevised><Year>2013</Year><Month>04</Month><Day>15</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1399-3054</ISSN><JournalIssue CitedMedium="Internet"><Volume>148</Volume><Issue>1</Issue><PubDate><Year>2013</Year><Month>May</Month></PubDate></JournalIssue><Title>Physiologia plantarum</Title><ISOAbbreviation>Physiol Plant</ISOAbbreviation></Journal><ArticleTitle>BVOC emission from Populus × canadensis saplings in response to acute UV-A radiation.</ArticleTitle><Pagination><MedlinePgn>51-61</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/j.1399-3054.2012.01687.x</ELocationID><Abstract><AbstractText>Hybrid poplar (Populus × canadensis) saplings were subjected to acute ultraviolet-A (UV-A) irradiation (30 W m(-2) , ambient treatment, 60, 90 and 120 W m(-2) of UV-A irradiance) to determine the effects on photosynthesis and biogenic volatile organic compound (BVOC) emissions in two different short-term experiments (i.e. sequential increase in UV-A irradiance and UV-A intensity-response relationships). Both intensity-response experiments showed that the UV-A ambient treatment did not affect photosynthesis and BVOC emissions. Whereas exposition at 60, 90 and 120 W m(-2) of UV-A (first experiment), increasingly inhibited photosynthesis. This increasing inhibition was also detected by decreasing trends of both photochemical reflectance index (PRI) and fluorescence yield. Isoprene emission resulted to be very sensitive to increasing UV-A irradiances. Methanol was also very sensitive to high UV-A radiation, suggesting the occurrence of strong damages of cellular structures. The second experiment, which was performed both in the middle of July and repeated towards the end of the summer, showed a temporal variations in the UV-A intensity-response relationships. In fact, there were no longer significant differences in photosynthesis, PRI and isoprene emission in response to high UV-A radiation toward the end of the summer season. The adaxial flavonoid level increased significantly over the period monitored, resulting 85% higher toward the end of the summer than during the middle of the summer. This dramatic increase in the adaxial flavonoids may have played a protective role against UV-A radiation by shielding leaves. Our findings add to the understanding of physiological processes involved in plant response to UV radiation.</AbstractText><CopyrightInformation>Copyright © Physiologia Plantarum 2012.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Pallozzi</LastName><ForeName>Emanuele</ForeName><Initials>E</Initials><AffiliationInfo><Affiliation>Institute of AgroEnvironmental and Forest Biology, National Research Council, 00015, Monterotondo Scalo, RM, Italy.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Fortunati</LastName><ForeName>Alessio</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Marino</LastName><ForeName>Giovanni</ForeName><Initials>G</Initials></Author><Author ValidYN="Y"><LastName>Loreto</LastName><ForeName>Francesco</ForeName><Initials>F</Initials></Author><Author ValidYN="Y"><LastName>Agati</LastName><ForeName>Giovanni</ForeName><Initials>G</Initials></Author><Author ValidYN="Y"><LastName>Centritto</LastName><ForeName>Mauro</ForeName><Initials>M</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>10</Month><Day>01</Day></ArticleDate></Article><MedlineJournalInfo><Country>Denmark</Country><MedlineTA>Physiol Plant</MedlineTA><NlmUniqueID>1256322</NlmUniqueID><ISSNLinking>0031-9317</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D002070">Butadienes</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D005419">Flavonoids</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D045782">Hemiterpenes</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010420">Pentanes</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D055549">Volatile Organic Compounds</NameOfSubstance></Chemical><Chemical><RegistryNumber>0A62964IBU</RegistryNumber><NameOfSubstance UI="C005059">isoprene</NameOfSubstance></Chemical><Chemical><RegistryNumber>1406-65-1</RegistryNumber><NameOfSubstance UI="D002734">Chlorophyll</NameOfSubstance></Chemical><Chemical><RegistryNumber>7440-44-0</RegistryNumber><NameOfSubstance UI="D002244">Carbon</NameOfSubstance></Chemical><Chemical><RegistryNumber>GO1N1ZPR3B</RegistryNumber><NameOfSubstance UI="D000079">Acetaldehyde</NameOfSubstance></Chemical><Chemical><RegistryNumber>Y4S76JWI15</RegistryNumber><NameOfSubstance UI="D000432">Methanol</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000079" MajorTopicYN="N">Acetaldehyde</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002070" MajorTopicYN="N">Butadienes</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002244" MajorTopicYN="N">Carbon</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002734" MajorTopicYN="N">Chlorophyll</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005419" MajorTopicYN="N">Flavonoids</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D045782" MajorTopicYN="N">Hemiterpenes</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D000432" MajorTopicYN="N">Methanol</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010420" MajorTopicYN="N">Pentanes</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010788" MajorTopicYN="Y">Photosynthesis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000528" MajorTopicYN="Y">radiation effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012621" MajorTopicYN="N">Seasons</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014466" MajorTopicYN="N">Ultraviolet Rays</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D055549" MajorTopicYN="N">Volatile Organic Compounds</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2012</Year><Month>03</Month><Day>27</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2012</Year><Month>06</Month><Day>16</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2012</Year><Month>06</Month><Day>25</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2012</Year><Month>8</Month><Day>31</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2012</Year><Month>8</Month><Day>31</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2014</Year><Month>1</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">22931545</ArticleId><ArticleId IdType="doi">10.1111/j.1399-3054.2012.01687.x</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Italie</li></country></list><tree><noCountry><name sortKey="Agati, Giovanni" sort="Agati, Giovanni" uniqKey="Agati G" first="Giovanni" last="Agati">Giovanni Agati</name><name sortKey="Centritto, Mauro" sort="Centritto, Mauro" uniqKey="Centritto M" first="Mauro" last="Centritto">Mauro Centritto</name><name sortKey="Fortunati, Alessio" sort="Fortunati, Alessio" uniqKey="Fortunati A" first="Alessio" last="Fortunati">Alessio Fortunati</name><name sortKey="Loreto, Francesco" sort="Loreto, Francesco" uniqKey="Loreto F" first="Francesco" last="Loreto">Francesco Loreto</name><name sortKey="Marino, Giovanni" sort="Marino, Giovanni" uniqKey="Marino G" first="Giovanni" last="Marino">Giovanni Marino</name></noCountry><country name="Italie"><noRegion><name sortKey="Pallozzi, Emanuele" sort="Pallozzi, Emanuele" uniqKey="Pallozzi E" first="Emanuele" last="Pallozzi">Emanuele Pallozzi</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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