Volatiles emission patterns in poplar clones varying in response to ozone.
Identifieur interne : 002856 ( Main/Exploration ); précédent : 002855; suivant : 002857Volatiles emission patterns in poplar clones varying in response to ozone.
Auteurs : Elisa Pellegrini [Italie] ; Pier Luigi Cioni ; Alessandra Francini ; Giacomo Lorenzini ; Cristina Nali ; Guido FlaminiSource :
- Journal of chemical ecology [ 1573-1561 ] ; 2012.
Descripteurs français
- KwdFr :
- MESH :
- métabolisme : Composés organiques volatils, Populus.
- Ozone, Stress physiologique.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Volatile Organic Compounds.
- chemical : Ozone.
- metabolism : Populus.
- Stress, Physiological.
Abstract
The volatiles emitted from young and old leaves of two poplar clones (Populus deltoides x maximowiczii, Eridano, and P. x euramericana, I-214) were sampled after exposure to ozone (80 ppb, 5 h d(-1), for 10 consecutive days) by solid phase microextraction and characterized by GC-MS. Only mature leaves of the ozone-sensitive Eridano clone developed necrosis in response to ozone exposure, and their membrane integrity was significantly affected by ozone (+86 and +18 % of levels of thiobarbituric acid reactive substances in mature and young leaves). The headspace of the poplar clones studied here contained mono- and sesquiterpenes, both hydrocarbons and oxygenated ones in Eridano, and only hydrocarbons in the clone I-214. Furthermore, some non-terpenes, such as C(9)-C(15) straight-chain aldehydes and C(12)-C(16) saturated and unsaturated aliphatic hydrocarbons, were detected. Other common non-terpene volatiles were oxygenated aliphatic compounds, mainly C(6)-alcohols and their acetates. Ozone exposure induced a strong change in volatile profiles, depending on clones and leaf age. Regardless of leaf age, in clone I-214, quantities of oxygenated monoterpenes tended to increase after ozone exposure, however, "O(3) x leaf age" was not significant. In clone Eridano, increases were observed in emissions of hydrocarbons and oxygenated sesquiterpenes in response to ozone treatment. (Z)-3-Hexen-1-ol and (Z)-3-hexenol acetate were present in traces in the headspace of untreated Eridano mature leaves, but quantities slightly increased after ozone treatment. Quantities of non-terpene oxygenated compounds dropped in the headspace of young leaves of both clones (-24 and -44 % in Eridano and I-214) and also in mature ones of I-214 (-50 %) after ozone exposure. Similarly, quantities of non-terpene hydrocarbons in the emissions from mature leaves of both clones (-58 and -49 %, respectively) decreased, while these compounds increased in young leaves of Eridano (+83 %). We suggest that the resistance of the poplar clone I-214 to O(3) is achieved by: i) monoterpenes constitutively present in young leaves and ii) increase of monoterpene content induced by O(3) in mature leaves.
DOI: 10.1007/s10886-012-0162-2
PubMed: 22811004
Affiliations:
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Pise</orgName></affiliation></author><author><name sortKey="Cioni, Pier Luigi" sort="Cioni, Pier Luigi" uniqKey="Cioni P" first="Pier Luigi" last="Cioni">Pier Luigi Cioni</name></author><author><name sortKey="Francini, Alessandra" sort="Francini, Alessandra" uniqKey="Francini A" first="Alessandra" last="Francini">Alessandra Francini</name></author><author><name sortKey="Lorenzini, Giacomo" sort="Lorenzini, Giacomo" uniqKey="Lorenzini G" first="Giacomo" last="Lorenzini">Giacomo Lorenzini</name></author><author><name sortKey="Nali, Cristina" sort="Nali, Cristina" uniqKey="Nali C" first="Cristina" last="Nali">Cristina Nali</name></author><author><name sortKey="Flamini, Guido" sort="Flamini, Guido" uniqKey="Flamini G" first="Guido" last="Flamini">Guido Flamini</name></author></analytic><series><title level="j">Journal of chemical ecology</title><idno type="eISSN">1573-1561</idno><imprint><date when="2012" 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Physiological</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Ozone</term><term>Stress physiologique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The volatiles emitted from young and old leaves of two poplar clones (Populus deltoides x maximowiczii, Eridano, and P. x euramericana, I-214) were sampled after exposure to ozone (80 ppb, 5 h d(-1), for 10 consecutive days) by solid phase microextraction and characterized by GC-MS. Only mature leaves of the ozone-sensitive Eridano clone developed necrosis in response to ozone exposure, and their membrane integrity was significantly affected by ozone (+86 and +18 % of levels of thiobarbituric acid reactive substances in mature and young leaves). The headspace of the poplar clones studied here contained mono- and sesquiterpenes, both hydrocarbons and oxygenated ones in Eridano, and only hydrocarbons in the clone I-214. Furthermore, some non-terpenes, such as C(9)-C(15) straight-chain aldehydes and C(12)-C(16) saturated and unsaturated aliphatic hydrocarbons, were detected. Other common non-terpene volatiles were oxygenated aliphatic compounds, mainly C(6)-alcohols and their acetates. Ozone exposure induced a strong change in volatile profiles, depending on clones and leaf age. Regardless of leaf age, in clone I-214, quantities of oxygenated monoterpenes tended to increase after ozone exposure, however, "O(3) x leaf age" was not significant. In clone Eridano, increases were observed in emissions of hydrocarbons and oxygenated sesquiterpenes in response to ozone treatment. (Z)-3-Hexen-1-ol and (Z)-3-hexenol acetate were present in traces in the headspace of untreated Eridano mature leaves, but quantities slightly increased after ozone treatment. Quantities of non-terpene oxygenated compounds dropped in the headspace of young leaves of both clones (-24 and -44 % in Eridano and I-214) and also in mature ones of I-214 (-50 %) after ozone exposure. Similarly, quantities of non-terpene hydrocarbons in the emissions from mature leaves of both clones (-58 and -49 %, respectively) decreased, while these compounds increased in young leaves of Eridano (+83 %). We suggest that the resistance of the poplar clone I-214 to O(3) is achieved by: i) monoterpenes constitutively present in young leaves and ii) increase of monoterpene content induced by O(3) in mature leaves.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">22811004</PMID><DateCompleted><Year>2012</Year><Month>11</Month><Day>26</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1573-1561</ISSN><JournalIssue CitedMedium="Internet"><Volume>38</Volume><Issue>7</Issue><PubDate><Year>2012</Year><Month>Jul</Month></PubDate></JournalIssue><Title>Journal of chemical ecology</Title><ISOAbbreviation>J Chem Ecol</ISOAbbreviation></Journal><ArticleTitle>Volatiles emission patterns in poplar clones varying in response to ozone.</ArticleTitle><Pagination><MedlinePgn>924-32</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s10886-012-0162-2</ELocationID><Abstract><AbstractText>The volatiles emitted from young and old leaves of two poplar clones (Populus deltoides x maximowiczii, Eridano, and P. x euramericana, I-214) were sampled after exposure to ozone (80 ppb, 5 h d(-1), for 10 consecutive days) by solid phase microextraction and characterized by GC-MS. Only mature leaves of the ozone-sensitive Eridano clone developed necrosis in response to ozone exposure, and their membrane integrity was significantly affected by ozone (+86 and +18 % of levels of thiobarbituric acid reactive substances in mature and young leaves). The headspace of the poplar clones studied here contained mono- and sesquiterpenes, both hydrocarbons and oxygenated ones in Eridano, and only hydrocarbons in the clone I-214. Furthermore, some non-terpenes, such as C(9)-C(15) straight-chain aldehydes and C(12)-C(16) saturated and unsaturated aliphatic hydrocarbons, were detected. Other common non-terpene volatiles were oxygenated aliphatic compounds, mainly C(6)-alcohols and their acetates. Ozone exposure induced a strong change in volatile profiles, depending on clones and leaf age. Regardless of leaf age, in clone I-214, quantities of oxygenated monoterpenes tended to increase after ozone exposure, however, "O(3) x leaf age" was not significant. In clone Eridano, increases were observed in emissions of hydrocarbons and oxygenated sesquiterpenes in response to ozone treatment. (Z)-3-Hexen-1-ol and (Z)-3-hexenol acetate were present in traces in the headspace of untreated Eridano mature leaves, but quantities slightly increased after ozone treatment. Quantities of non-terpene oxygenated compounds dropped in the headspace of young leaves of both clones (-24 and -44 % in Eridano and I-214) and also in mature ones of I-214 (-50 %) after ozone exposure. Similarly, quantities of non-terpene hydrocarbons in the emissions from mature leaves of both clones (-58 and -49 %, respectively) decreased, while these compounds increased in young leaves of Eridano (+83 %). We suggest that the resistance of the poplar clone I-214 to O(3) is achieved by: i) monoterpenes constitutively present in young leaves and ii) increase of monoterpene content induced by O(3) in mature leaves.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Pellegrini</LastName><ForeName>Elisa</ForeName><Initials>E</Initials><AffiliationInfo><Affiliation>Department of Tree Science, Entomology and Plant Pathology Giovanni Scaramuzzi, University of Pisa, Pisa, Italy.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Cioni</LastName><ForeName>Pier Luigi</ForeName><Initials>PL</Initials></Author><Author ValidYN="Y"><LastName>Francini</LastName><ForeName>Alessandra</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Lorenzini</LastName><ForeName>Giacomo</ForeName><Initials>G</Initials></Author><Author ValidYN="Y"><LastName>Nali</LastName><ForeName>Cristina</ForeName><Initials>C</Initials></Author><Author 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Guido" uniqKey="Flamini G" first="Guido" last="Flamini">Guido Flamini</name><name sortKey="Francini, Alessandra" sort="Francini, Alessandra" uniqKey="Francini A" first="Alessandra" last="Francini">Alessandra Francini</name><name sortKey="Lorenzini, Giacomo" sort="Lorenzini, Giacomo" uniqKey="Lorenzini G" first="Giacomo" last="Lorenzini">Giacomo Lorenzini</name><name sortKey="Nali, Cristina" sort="Nali, Cristina" uniqKey="Nali C" first="Cristina" last="Nali">Cristina Nali</name></noCountry><country name="Italie"><region name="Toscane"><name sortKey="Pellegrini, Elisa" sort="Pellegrini, Elisa" uniqKey="Pellegrini E" first="Elisa" last="Pellegrini">Elisa Pellegrini</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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