title: Plant oxylipins: plant responses to 12-oxo-phytodienoic acid are governed by its specific structural and functional properties.
abstract: One of the most challenging questions in modern plant science is how plants regulate their morphological and developmental adaptation in response to changes in their biotic and abiotic environment. A comprehensive elucidation of the underlying mechanisms will help shed light on the extremely efficient strategies of plants in terms of survival and propagation. In recent years, a number of environmental stress conditions have been described as being mediated by signaling molecules of the oxylipin family. In this context, jasmonic acid, its biosynthetic precursor, 12-oxo-phytodienoic acid (OPDA), and also reactive electrophilic species such as phytoprostanes play pivotal roles. Although our understanding of jasmonic acid-dependent processes and jasmonic acid signal-transduction cascades has made considerable progress in recent years, knowledge of the regulation and mode of action of OPDA-dependent plant responses is just emerging. This minireview focuses on recent work concerned with the elucidation of OPDA-specific processes in plants. In this context, aspects such as the differential recruitment of OPDA, either by de novo biosynthesis or by release from cyclo-oxylipin-galactolipids, and the conjugation of free OPDA are discussed.
authors: CSIRO Plant Industry, Adelaide, Australia.
authors: Christine
authors: C
authors: Böttcher
authors: Stephan
authors: S
authors: Pollmann
mesh_terms: D003517:Cyclopentanes / Q000378:metabolism*; D005231:Fatty Acids, Unsaturated / Q000502:physiology*; D038983:Galactolipids / Q000378:metabolism; D054883:Oxylipins / Q000378:metabolism*; D010944:Plants / Q000378:metabolism*; D015398:Signal Transduction
chemical_list: D003517:Cyclopentanes; D005231:Fatty Acids, Unsaturated; D038983:Galactolipids; D054883:Oxylipins; C025999:12-oxophytodienoic acid; C011006:jasmonic acid