Isolation and identification of cell hypertrophy-inducing substances in the gall-forming aphid Colopha moriokaensis
S Ohta1, N Kajino, H Hashimoto
1Instrument Center for Chemical Analysis, Hiroshima University, 1-3-1 Kagamiyama, 739-8526, Higashi-Hiroshima, Japan. ohta@sci.hiroshima-u.ac.jp
Abstract:
The insect galls on the leaves of Zelkova serrata were formed by the aphid Colopha moriokaensis. The crude extracts of the gall-forming aphid showed hypertrophy-inducing activity against the cultured cells of Z. serrata. Bioassay-guided fractionation of the extracts led to isolation of three triacylglycerides containing (E,E, E)-octa-2,4,6-trienoic acid.
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