Reconciling functions and evolution of isoprene emission in higher plants. (Articolo in rivista)

Type
Label
  • Reconciling functions and evolution of isoprene emission in higher plants. (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1111/nph.13242 (literal)
Alternative label
  • Loreto Francesco. Fineschi Silvia (2014)
    Reconciling functions and evolution of isoprene emission in higher plants.
    in New phytologist (Online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Loreto Francesco. Fineschi Silvia (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Department of Biology, Agriculture and Food Sciences, The National Research Council of Italy (CNR), P. le Aldo Moro 7, 00185 Roma, Italy (literal)
Titolo
  • Reconciling functions and evolution of isoprene emission in higher plants. (literal)
Abstract
  • Compilation and analysis of existing inventories reveal that isoprene is emitted byc. 20% of the perennial vegetation of tropical and temperate regions of the world. Isoprene emitters are found across different plant families without any clear phylogenetic thread. However, by critically appraising information in inventories, several ecological patterns of isoprene emission can be highlighted, including absence of emission from C4and annual plants, and widespread emission from perennial and deciduous plants of temperate environments. Based on this analysis, and on available information on biochemistry, ecology and functional roles of isoprene, it is suggested that isoprene may not have evolved to help plants face heavy or prolonged stresses, but rather assists C3plants to run efficient photosynthesis and to overcome transient and mild stresses, especially during periods of active plant growth in warm seasons. When the stress status persists, or when evergreen leaves cope with multiple and repeated stresses, isoprene biosynthesis is replaced by the synthesis of less volatile secondary compounds, in part produced by the same biochemical pathway, thus indicating causal determinism in the evolution of isoprene-emitting plants in response to the environment. (literal)
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Autore CNR

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