Journal
MITOCHONDRIAL DNA
Volume 21, Issue -, Pages 24-29Publisher
INFORMA HEALTHCARE
DOI: 10.3109/19401736.2010.527965
Keywords
COX1; DNA barcoding; Helobdella; Mexico
Categories
Funding
- National Science Foundation [01613802, 0640436]
- CONACyT, Mexico [172322]
- CUNY Graduate Center Science Fellowship
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We investigated the genetic distances and taxonomic status among species of Helobdella, a genus of non-blood-feeding leeches, based on mitochondrial cytochrome c oxidase subunit I sequences. Sampling included 20 specimens representing nine nominal species collected in 11 states in Mexico as well as previously published sequences of different species of Helobdella from several places. A neighbor-joining tree, as well as identification of diagnostic nucleotides, was used to suggest the presence of seven species of Helobdella in Mexico including potentially two undescribed forms.
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