Repraesentins D, E and F, New Plant Growth Promoters from Lactarius repraesentaneus
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Three new plant growth regulatory sesquiterpenes were isolated from the <I>Lactarius repraesentaneus</I> fungus. Their structures were elucidated to be lactarane sesquiterpenes, namely repraesentins D (<B>1</B>) and E (<B>2</B>), and a protoilludane-related sesquiterpene, namely repraesentin F (<B>3</B>). Repraesentin E (<B>2</B>) showed the strongest promotion activity, 164% at 3.6 μ<small>M</small>, of the three compounds toward the radicle elongation of lettuce seedlings.
- Agricultural and Biological Chemistry
Agricultural and Biological Chemistry 70(6), 1502-1505, 2006-06-23
Japan Society for Bioscience, Biotechnology, and Agrochemistry