Preprint Communication Version 1 This version is not peer-reviewed

Molecular Approach to the Identification and Phylogenetic Biogeography of Snail Telescopium telescopium Using mt-COI Gene Sequences

Version 1 : Received: 12 September 2018 / Approved: 17 September 2018 / Online: 17 September 2018 (10:30:16 CEST)

How to cite: Palanisamy, S.K.; Chinnamani, P.K.; Paramasivam, P.; Sundaresan, U. Molecular Approach to the Identification and Phylogenetic Biogeography of Snail Telescopium telescopium Using mt-COI Gene Sequences. Preprints 2018, 2018090299 (doi: 10.20944/preprints201809.0299.v1). Palanisamy, S.K.; Chinnamani, P.K.; Paramasivam, P.; Sundaresan, U. Molecular Approach to the Identification and Phylogenetic Biogeography of Snail Telescopium telescopium Using mt-COI Gene Sequences. Preprints 2018, 2018090299 (doi: 10.20944/preprints201809.0299.v1).

Abstract

We aimed to apply DNA barcoding tool for the molecular identification of horn snails T. telescopium using mitochondrial cytochrome oxidase I gene (mt-COI) and to investigate their evolutionary relationship along with location-specific bio-geographical variations. The molecular data sets of this study indicate that strong probability of T. telescopium species taxonomic confirmation using mt-COI sequences. Results of the phylogenetic analysis suggest that Telescopium sp. was monophyletic with disseminated nodes and the evolution of group II originated from group I. The substantial genetic distance among the mt-COI sequences (0.005 to 0.184) were noticed. Large divergence between the south-west coast of India and Australia region population indicates limited gene flow between the two continents. Our study suggests that the genera Telescopium is globally ubiquitous but genetically showing inter-region differentiation. We conclude that mt-COI gene can be used to identify gastropod T. telescopium species.

Subject Areas

barcoding; biodiversity; genetics; mollusc; phylogeny; snails; taxonomy

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