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Title: DNA barcode of Chaetognatha from Indian Waters
Authors: Nair, Vijayalakshmi R
Kidangan, Francis X
Prabhu, Rajesh G
Bucklin, Ann
Nair, Shanta
Keywords: Chaetognatha;COI;DNA barcode;Indian waters
Issue Date: Sep-2015
Publisher: NISCAIR-CSIR, India
Abstract: 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.
Page(s): 1366-1376
ISSN: 0975-1033 (Online); 0379-5136 (Print)
Appears in Collections:IJMS Vol.44(09) [September 2015]

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