Sequence differences in the internal transcribed spacer 1 and 5.8S ribosomal RNA among three Moniezia species isolated from ruminants in Japan
2015
Ohtori, M. (Iwate University, Morioka (Japan). Faculty of Agriculture, Laboratory of Veterinary Parasitology) | Aoki, M. | Itagaki, T.
This study was designed to clarify the differences in the internal transcribed spacer (ITS) 1 and 5.8S nucleotide sequences of Moniezia expansa, M. benedeni and M. monardi isolated from ruminants in Japan and to determine their phylogenetic relationships. A 98% similarity in the 5.8S sequences was observed among the 3 Moniezia species, whereas many nucleotide indels and substitutions were observed in the ITS1 sequences among the three Moniezia species. These results suggest that the ITS1 region could serve as a potential marker for discriminating the 3 Moniezia species. In the phylogenetic tree based on the ITS1 sequences, M. monardi and M. benedeni showed genetically closer relationship to each other than to M. expansa.
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