DNA barcoding identifies brackish water fishes from Nallavadu Lagoon, Puducherry, India

  • V. Sachithanandam*
  • , P. M. Mohan
  • , N. Muruganandam
  • , R. Sivasankar
  • , P. Arunkumar
  • , T. Mageswaran
  • , R. Sridhar
  • *Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

1 Scopus citations

Abstract

Animal DNA barcoding has been advanced as a promising tool to aid species identification and discovery through the use of short, standardized mitochondrial gene COI targets in spite of extensive morphological taxonomic studies, for a variety of reasons the identification of fishes can be problematic, time consuming, even for experts. To overcome in this content though DNA barcoding is proving to be a useful tool. The present study use DNA barcoding to genetically identify specimen were collected from Nallavadu Lagoon ecosystem in Puducherry and morphologically identified. The COI was amplified and bi-directionally sequenced from 45 specimens (5 specimens/species) belonging to 9 species, five families. All studied specimens sequence were interrogated using analytical tools developed by Barcode of Life Data System (BOLD). All specimen exhibited discrete clusters of closely related haplogroups in NJ tree, which permitted the discrimination of 96-100 % genetic similarity of all the studied species. These studies represent a significant contribution to the worldwide barcode database from Indian continental regional and demonstrated the utility of COI gene sequences for specific regional species identification.

Original languageEnglish
Title of host publicationDNA Barcoding in Marine Perspectives
Subtitle of host publicationAssessment and Conservation of Biodiversity
PublisherSpringer International Publishing
Pages271-283
Number of pages13
ISBN (Electronic)9783319418407
ISBN (Print)9783319418384
DOIs
StatePublished - 1 Jan 2016
Externally publishedYes

Bibliographical note

Publisher Copyright:
© Springer International Publishing Switzerland 2016.

Keywords

  • Brackish water
  • DNA barcoding
  • Nallavadu lagoon
  • Taxonomy

ASJC Scopus subject areas

  • General Agricultural and Biological Sciences
  • General Environmental Science
  • General Biochemistry, Genetics and Molecular Biology
  • General Medicine

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