Isoprenoid Emission in Hygrophyte and Xerophyte European Woody Flora: Ecological and Evolutionary Implications
Global Ecology and Biogeography, (Global Ecol. Biogeogr.) (2014) 23, 334–345 bs_bs_banner RESEARCH Isoprenoid emission in hygrophyte and PAPER xerophyte European woody flora: ecological and evolutionary implications Francesco Loreto1*, Francesca Bagnoli2, Carlo Calfapietra3,4, Donata Cafasso5, Manuela De Lillis1, Goffredo Filibeck6, Silvia Fineschi2, Gabriele Guidolotti7, Gábor Sramkó8, Jácint Tökölyi9 and Carlo Ricotta10 1Dipartimento di Scienze Bio-Agroalimentari, ABSTRACT Consiglio Nazionale delle Ricerche, Piazzale Aim The relationship between isoprenoid emission and hygrophily was investi- Aldo Moro 7, 00185 Roma, Italy, 2Istituto per la Protezione delle Piante, Consiglio Nazionale gated in woody plants of the Italian flora, which is representative of European delle Ricerche, Via Madonna del Piano 10, diversity. 50019 Sesto Fiorentino (Firenze), Italy, Methods Volatile isoprenoids (isoprene and monoterpenes) were measured, or 3 Istituto di Biologia Agroambientale e data collected from the literature, for 154 species native or endemic to the Medi- Forestale, Consiglio Nazionale delle Ricerche, terranean. The Ellenberg indicator value for moisture (EIVM) was used to describe Via Marconi 3, Porano (Terni), Italy, plant hygrophily. Phylogenetic analysis was carried out at a broader taxonomic scale 4Global Change Research Centre – CzechGlobe, on 128 species, and then refined on strong isoprene emitters (Salix and Populus Belidla 4a, 603 00 Brno, Czech Republic, species) based on isoprene synthase gene sequences (IspS). 5Dipartimento di Biologia, Università degli Studi di Napoli ‘Federico II, Complesso Results Isoprene emitters were significantly more common and isoprene emis- Universitario di Monte S. Angelo, Via Cinthia, sion was higher in hygrophilous EIVM classes, whereas monoterpene emitters were 80126 Napoli, Italy, 6Dipartimento di Scienze more widespread and monoterpene emission was higher in xeric classes.
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