Lack of intraspecific variation in the second internal transcribed spacer (ITS-2) of Trichostrongylus colubriformis ribosomal DNA

H Hoste; R B Gasser; N B Chilton; S Mallet; I Beveridge

doi:10.1016/0020-7519(93)90128-l

Lack of intraspecific variation in the second internal transcribed spacer (ITS-2) of Trichostrongylus colubriformis ribosomal DNA

Int J Parasitol. 1993 Dec;23(8):1069-71. doi: 10.1016/0020-7519(93)90128-l.

Authors

H Hoste¹, R B Gasser, N B Chilton, S Mallet, I Beveridge

Affiliation

¹ INTRA-CR Tours, Station de Pathologie aviaire et de Parasitologie, Nouzilly, France.

PMID: 8300300
DOI: 10.1016/0020-7519(93)90128-l

Abstract

The nucleotide sequence of the second internal transcribed spacer (ITS-2) was determined for three populations of the parasitic nematode Trichostrongylus colubriformis which differed in their susceptibility to benzimidazole anthelmintics and/or in their geographical origin. No intraspecific variation was found in the ITS-2 sequence, indicating that this region of rDNA is inadequate to discriminate between resistant and susceptible populations of T. colubriformis, but it may prove useful for distinguishing between species of Trichostrongylus.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Animals
Base Sequence
DNA, Ribosomal / genetics*
Genetic Variation / genetics*
Molecular Sequence Data
Trichostrongylus / genetics*

Substances

DNA, Ribosomal

Associated data

GENBANK/X03680