The emission factor of volatile isoprenoids
نویسندگان
چکیده
Ü. Niinemets, R. K. Monson, A. Arneth, P. Ciccioli, J. Kesselmeier, U. Kuhn, S. M. Noe, J. Peñuelas, and M. Staudt Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi 1, Tartu 51014, Estonia Department of Ecology and Evolutionary Biology and Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO 80309-0334, USA Division of Physical Geography and Ecosystem Analysis, Lund University, Sölvegatan 12, 22362 Lund, Sweden Istituto di Metodologie Chimiche del CNR, Area della Ricerca di Roma 1, 00016 Monterotondo Scalo, Italy Max Planck Institute for Chemistry, Biogeochemistry Department, Joh.-J.-Becher Weg 27, 55128 Mainz, Germany Federal Research Station Agroscope Reckenholz-Taenikon, ART, Zuerich, Switzerland Global Ecology Unit CSIC-CEAB-CREAF, Facultat de Ciències, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
منابع مشابه
Opportunistic emissions of volatile isoprenoids.
Isoprene, monoterpenes and sesquiterpenes are synthesized and emitted by some plant species, but not all plant species have this ability. These volatile, nonessential isoprenoid compounds share the same biochemical precursors as larger essential isoprenoids such as gibberellic acids and carotenoids. They have many protective and ecological functions for the plant species that produce them, but ...
متن کاملThe leaf-level emission factor of volatile isoprenoids: caveats, model algorithms, response shapes and scaling
In models of plant volatile isoprenoid emissions, the instantaneous compound emission rate typically scales with the plant’s emission potential under specified environmental conditions, also called as the emission factor, ES. In the most widely employed plant isoprenoid emission models, the algorithms developed by Guenther and colleagues (1991, 1993), instantaneous variation of the steady-state...
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We investigated the photosynthetic limitations occurring during dehydration and rehydration of Xerophyta humilis, a poikilochlorophyllous resurrection plant, and whether volatile and non-volatile isoprenoids might be involved in desiccation tolerance. Photosynthesis declined rapidly after dehydration below 85% relative water content (RWC). Raising intercellular CO(2) concentrations during desi...
متن کاملThe relationship between the methyl-erythritol phosphate pathway leading to emission of volatile isoprenoids and abscisic acid content in leaves.
It was investigated whether the methyl-erythritol phosphate (MEP) pathway that generates volatile isoprenoids and carotenoids also produces foliar abscisic acid (ABA) and controls stomatal opening. When the MEP pathway was blocked by fosmidomycin and volatile isoprenoid emission was largely suppressed, leaf ABA content decreased to about 50% and leaf stomatal conductance increased significantly...
متن کاملThe emission factor of volatile isoprenoids: stress, acclimation, and developmental responses
The rate of constitutive isoprenoid emissions from plants is driven by plant emission capacity under specified environmental conditions (ES, the emission factor) and by responsiveness of the emissions to instantaneous variations in environment. In models of isoprenoid emission, ES has been often considered as intrinsic species-specific constant invariable in time and space. Here we analyze the ...
متن کاملDimethylallyl diphosphate and geranyl diphosphate pools of plant species characterized by different isoprenoid emissions.
Dimethylallyl diphosphate (DMADP) and geranyl diphosphate (GDP) are the last precursors of isoprene and monoterpenes emitted by leaves, respectively. DMADP and GDP pools were measured in leaves of plants emitting isoprene (Populus alba), monoterpenes (Quercus ilex and Mentha piperita), or nonemitting isoprenoids (Prunus persica). Detectable pools were found in all plant species, but P. persica ...
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