| nucleotide sequence of mitochondrial co i and ribosomal its ii genes of opisthorchis viverrini in northeast thailand. | the mitochondrial cytochrome c oxidase subunit i (co i) gene and the second internal transcribed spacer region (its ii) gene of opisthorchis viverrini were compared among o. viverrini from various areas in northeast thailand. the nucleotide sequences of partial co i gene (417 bp) of o. viverrini differed among o. viverrini originated from ubon ratana, leongpleuy, ban phai, maha sarakham, and chatturat. these intraspecific variations were classified into 5 patterns but no area-specific pattem was ... | 2001 | 12041584 |