Karlsruhe Institut for Technologie (KIT), Institut für Meteorologie und Klimaforschung (IMK-IFU), Garmisch-Partenkirchen, Germany.
Plant Biol (Stuttg). 2010 Mar;12(2):302-16. doi: 10.1111/j.1438-8677.2009.00284.x.
Plants interact with their environment through a wide variety of biogenic volatile organic compounds (BVOCs), with isoprenoids ( identical with terpenes), i.e. isoprene, mono- and sesquiterpenes, playing an important role. Isoprene, a hemiterpene, is the simplest isoprenoid compound mainly emitted by tree species like poplars, oaks and willows. Woody plants alone comprise 75% of the global isoprene emitted to the atmosphere. Due to its significant influence on atmospheric chemistry, research has been focused on this C5 compound, with poplar being the most prominent model system. Recent studies indicate that isoprene can enhance thermotolerance or quench oxidative stress, while also interfering with the attraction of herbivores and parasitoids to plants. In this paper, we report on biosynthesis, regulation and function of isoprene and other stress-induced volatile isoprenoids in poplar, and discuss the future scientific challenges in this genus with respect to the importance of plant volatiles in high-density poplar biomass plantations.
植物通过各种各样的生物源挥发性有机化合物（BVOCs）与环境相互作用，而异戊二烯（萜烯的一种），即异戊烯、单萜和倍半萜，起着重要作用。异戊二烯是一种半萜烯，是杨树、橡树和柳树等树种主要排放的最简单的异戊二烯化合物。仅木本植物就占全球排放到大气中的异戊二烯的 75%。由于其对大气化学的重大影响，研究集中在这种 C5 化合物上，杨树是最突出的模式系统。最近的研究表明，异戊二烯可以增强耐热性或消除氧化应激，同时干扰草食动物和寄生蜂对植物的吸引力。本文报告了杨树中异戊二烯和其他应激诱导的挥发性异戊二烯的生物合成、调节和功能，并讨论了该属在高密度杨树生物量种植园中植物挥发物重要性方面的未来科学挑战。
