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Phylogenetic position of parabasalid symbionts from the termite Calotermes flavicollis based on small subunit rRNA sequences

Lookup NU author(s): Dr Christophe Noel


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Small subunit rDNA genes were amplified by polymerase chain reaction using specific primers from mixed-population DNA obtained from the whole hindgut of the termite Calotermes flavicollis. Comparative sequence analysis of the clones revealed two kinds of sequences that were both from parabasalid symbionts. In a molecular tree inferred by distance, parsimony and likelihood methods, and including 27 parabasalid sequences retrieved from the data bases, the sequences of the group II (clones Cf5 and Cf6) were closely related to the Devescovinidae/Calonymphidae species and thus were assigned to the Devescovinidae Foaina. The sequence of the group I (clone Cf1) emerged within the Trichomonadinae and strongly clustered with Tetratrichomonas gallinarum. On the basis of morphological data, the Monocercomonadidae Hexamastix termitis might be the most likely origin of this sequence.

Publication metadata

Author(s): Gerbod D, Edgcomb VP, Noel C, Delgado-Viscogliosi P, Viscogliosi E

Publication type: Article

Publication status: Published

Journal: International Microbiology

Year: 2000

Volume: 3

Issue: 3

Pages: 165-172

ISSN (print): 1139-6709

ISSN (electronic): 1618-1905

Publisher: Sociedad Espanola de Microbiologia


Notes: 1139-6709 Journal Article