Phylogenetic relationship among termite families based on DNA sequence of mitochondrial 16S ribosomal RNA gene
1996
Kambhampati, S. | Kjer, K.M. | Thorne, B.L.
Termites (Order Isoptera: Class Insecta), are comprised of a complex assemblage of species, with considerable variation in life history, morphology, social behaviour, caste development and ecology. At present, Isoptera is divided into seven families, fourteen subfamilies, approximately 270 genera and over 2000 species. Phylogenetic hypotheses currently available for termite families and genera are based on a limited number of morphological characters and lack rigorous cladistic analysis. In this paper we report on phylogenetic relationships among ten termite genera of five families based on a DNA sequence analysis of a portion of the mitochondrial 16S rRNA gene. Parsimony and distance analysis of DNA sequences supported the existing hypothesis that Mastotermitidae is the basal lineage among extant termites. Kalotermitidae was not found to be a sister taxon of Mastotermitidae as existing hypotheses suggest, but was most closely related to Rhinotermitidae and Termitidae. Representatives of Termopsidae were more basal relative to those of Kalotermitidae. The utility of 16S rRNA nucleotide sequence analysis for inferring phylogenetic relationships among termite families, subfamilies and genera is discussed.
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