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Haplotype variation and phylogenetic analyses of three commercially important morphological variants of genus Turbinella from the southeast coast of India based on the 16S rRNA gene

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Haplotype variation and phylogenetics of three economically important morphological variants of Turbinella pyrum (Linnaeus, 1767)—var. obtusa, var. acuta, and var. globosa—were elucidated based on molecular analysis of mitochondrial 16S rDNA signatures. Haplotype distribution indicated that the var. obtusa was unique as revealed by the absence of any shared haplotype with the other two variants. Diversity indices depicted overall high mtDNA diversity for the morphological variants. Analysis of molecular variance revealed distinct population structure in the three studied variants. Based on haplotype diversity (H) and genetic distances, highest variation was observed between var. obtusa and the other two variants, while lesser variation was observed between var. acuta and var. globosa. However, highest nucleotide diversity (π) was observed between the var. acuta and the other two variants. Phylogenetic analyses also distinguished a phylogroup of var. obtusa highlighting its uniqueness. Overall, findings of the present molecularbased analysis indicated substantial genetic variation among the studied morphological variants of genus Turbinella and revealed that the morph obtusa was quite distinct from acuta and globosa.
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Document Type: Research Article

Affiliations: 1: Centre of Advanced Study in Marine Biology, Annamalai University, Parangipettai-608 502, Tamilnadu, India 2: Department of Biosciences, Saurashtra University, Rajkot-360 005, Gujarat, India 3: Fisheries Science Institute, Chonnam National University, 50 Daehakro, YEOSU 59626, Jeollanam-do, Republic of Korea 4: Centre of Advanced Study in Marine Biology, Annamalai University, Parangipettai-608 502, Tamilnadu, Department of Marine Science, Maharaja Krishnakumarsinhji Bhavnagar University, Bhavnagar-364 002, Gujarat, India;, Email: [email protected]

Publication date: October 1, 2017

This article was made available online on May 19, 2017 as a Fast Track article with title: "Haplotype variation and phylogenetic analyses of three commercially important morphological variants of genus Turbinella from the southeast coast of India based on the 16S rRNA gene".

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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