期刊
MOLECULAR ECOLOGY RESOURCES
卷 15, 期 4, 页码 945-952出版社
WILEY
DOI: 10.1111/1755-0998.12358
关键词
Cestoda; COI; Digenea; DNA barcoding; Platyhelminthes; Primers
资金
- Quarantine and Invasive Species project (QIS) of the Genomic Research and Development Initiative (GRDI) of the Government of Canada
- NSERC
- Genome Canada
- Ontario Genomics Institute
Digeneans and cestodes are species-rich taxa and can seriously impact human health, fisheries, aqua- and agriculture, and wildlife conservation and management. DNA barcoding using the COI Folmer region could be applied for species detection and identification, but both universal' and taxon-specific COI primers fail to amplify in many flatworm taxa. We found that high levels of nucleotide variation at priming sites made it unrealistic to design primers targeting all flatworms. We developed new degenerate primers that enabled acquisition of the COI barcode region from 100% of specimens tested (n=46), representing 23 families of digeneans and 6 orders of cestodes. This high success rate represents an improvement over existing methods. Primers and methods provided here are critical pieces towards redressing the current paucity of COI barcodes for these taxa in public databases.
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