Soldier defense secretions of malaysian free-ranging termite of the genusLacessititermes (Isoptera,Nasutitermitinae) |
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| Authors: | S. H. Goh C. H. Chuah J. Vadiveloo Y. P. Tho |
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| Affiliation: | (1) Chemistry Department, University of Malaysia, 59100 Kuala Lumpur, Malaysia;(2) Institute of Advanced Studies, University of Malaysia, 59100 Kuala Lumpur, Malaysia;(3) Forest Research Institute Malaysia, Kepong, Selangor, Malaysia |
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| Abstract: | Soldiers of free-ranging termites of the genusLacessititermes (Isoptera, Nasutitermitinae) secrete from their frontal glands a mixture of monoterpenes, sesquiterpenes, and diterpenes.Lacessititermes ransoneti, L. laborator, andL. species A produce species-specific secretions, the composition being most complex forL. laborator. Apart from known mono- and dihydroxytrinervitadienes, the following new diterpenes were isolated and tentatively assigned as trinervita-1(15),8(19)-dien-2 ,3 ,9,14-tetraol 2,3,14-O-triacetate, trinervita-1(15),8(19)-dien-2,3,9,14-tetraol 2,3,14-O-triacetate, 2,3,9, 14-tetraacetoxy-1 (15), 8(19)-trinervitadiene, and 2,3,11,13-tetraacetoxy-1(15),8(19)-trinervitadiene. Data on intragenus chemical variations were subjected to canonical discriminant analysis and genetic distances among the species were calculated to depict intragenus identities and affinities. |
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| Keywords: | Isoptera Termitidae defense secretions interspecific variations Lacessititermes diterpenes |
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