Phylogenetic relationships of species of the oesophageal parasitic nematode genera Cyclostrongylus and Spirostrongylus (Strongyloidea: Chabertiidae: Cloacininae) with their wallaby hosts (Marsupialia: Macropodidae)

Molecular and Cellular Probes
N B ChiltonIan Beveridge

Abstract

A phylogeny for seven species of Cyclostrongylus and the monotypic genus Spirostrongylus (Nematoda: Chabertiidae), all highly host specific parasites of the oesophagi of wallabies (Marsupialia: Macropodidae), was constructed using sequence data for the first and second internal transcribed spacers (ITS-1 and ITS-2) of the nuclear ribosomal DNA. There was no evidence for co-speciation, or for the sympatric or synxenic speciation of Cyclostrongylus alatus and Cyclostrongylus perplexus, both of which are parasites of Macropus rufogriseus. Rather, host switching, correlating with geographical distributions, appeared to provide some explanation of the pattern of speciation observed.

References

May 25, 1993·Nucleic Acids Research·R B GasserI Beveridge
Feb 19, 1998·International Journal for Parasitology·N B ChiltonI Beveridge
Oct 3, 1999·Molecular Biology and Evolution·J S Rogers, D L Swofford
Jun 19, 2001·International Journal for Parasitology·I Beveridge, N B Chilton
Aug 13, 2003·Bioinformatics·Fredrik Ronquist, John P Huelsenbeck
Sep 6, 2003·Trends in Parasitology·Karen D McCoy
Mar 23, 2004·Nucleic Acids Research·Robert C Edgar
Apr 10, 2008·Molecular Biology and Evolution·David Posada
Feb 16, 2010·Veterinary Parasitology·L StancampianoG Poglayen

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