DNA barcode of Chaetognatha from Indian waters
Date
2015Author
Nair, V.R.
Kidangan, F.X.
Prabhu, R.G.
Bucklin, A.
Nair, S.
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Chaetognatha are the second most abundant zooplankton group in the Indian waters Precise identification of the species is critical for biogeographical studies DNA barcodes using mitochondrial cytochrome c oxidase (COI) of seven dominant and frequently occurring species of Chaetognatha from Indian waters are reported here for the first time Average nucleotide frequencies of COI barcode were A (22.9%), T (34.7%), G (21.3%) and C (21.1%) Kimura-2-Parameter distances within and among species ranged from 0 to 0.050 and 0.050 to 0.400, respectively Phylogenetic analysis based on maximum likelihood method resolved the species in accordance with morphological traits and close relationship between sister species.
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