Species diversity and DNA barcode library of freshwater Molluscs of South Caucasus

This study provides the first attempt to investigate the molecular diversity of South Caucasian freshwater molluscs (Mollusca, Gastropoda) and lay down the first bricks to build up a DNA-barcode library. In total, 289 COI barcode sequences were obtained from 33 morpho-species belonging to 24 mollusc...

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Main Authors: Ani Bikashvili, Nino Kachlishvili, Bella Japoshvili, Levan Mumladze
Format: Article
Language:English
Published: Pensoft Publishers 2022-09-01
Series:Biodiversity Data Journal
Subjects:
Online Access:https://bdj.pensoft.net/article/84887/download/pdf/
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author Ani Bikashvili
Nino Kachlishvili
Bella Japoshvili
Levan Mumladze
author_facet Ani Bikashvili
Nino Kachlishvili
Bella Japoshvili
Levan Mumladze
author_sort Ani Bikashvili
collection DOAJ
description This study provides the first attempt to investigate the molecular diversity of South Caucasian freshwater molluscs (Mollusca, Gastropoda) and lay down the first bricks to build up a DNA-barcode library. In total, 289 COI barcode sequences were obtained from 33 morpho-species belonging to 24 molluscan genera and 10 families that represent nearly 30% of known freshwater molluscan diversity of the South Caucasus region. DNA barcodes were analysed by means of the Barcode Index Number (BIN) and the other tools available in BOLD Systems. Results showed that the knowledge of freshwater molluscs diversity in the South Caucasus is far from comprehensive. For the studied 33 morpho-species, 289 barcodes were clustered into 40 BINs, from which unique BINs were defined for 12 species and five species were characterised with more than a single BIN. From the studied taxa, 60% were characterised larger than 2.2% sequence divergence indicating high genetic variation or cryptic diversity. Within our limited taxonomic coverage, we found one new species for the Republic of Georgia (Galba schirazensis) and at least three undescribed species belonging to the genera Stagnicola, Segmentina and Anisus. Uniqueness and high molecular diversity of the studied species emphasise the need for further intensive morphological and molecular investigations of the South Caucasian freshwater molluscan fauna.
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spelling doaj.art-2f168fa7b7d24d1eaa6af4fdad43f7832022-12-22T04:04:20ZengPensoft PublishersBiodiversity Data Journal1314-28282022-09-011012410.3897/BDJ.10.e8488784887Species diversity and DNA barcode library of freshwater Molluscs of South CaucasusAni Bikashvili0Nino Kachlishvili1Bella Japoshvili2Levan Mumladze3Institute of Zoology, Ilia State UniversityInstitute of Zoology, Ilia State UniversityInstitute of Zoology, Ilia State UniversityInstitute of Zoology, Ilia State UniversityThis study provides the first attempt to investigate the molecular diversity of South Caucasian freshwater molluscs (Mollusca, Gastropoda) and lay down the first bricks to build up a DNA-barcode library. In total, 289 COI barcode sequences were obtained from 33 morpho-species belonging to 24 molluscan genera and 10 families that represent nearly 30% of known freshwater molluscan diversity of the South Caucasus region. DNA barcodes were analysed by means of the Barcode Index Number (BIN) and the other tools available in BOLD Systems. Results showed that the knowledge of freshwater molluscs diversity in the South Caucasus is far from comprehensive. For the studied 33 morpho-species, 289 barcodes were clustered into 40 BINs, from which unique BINs were defined for 12 species and five species were characterised with more than a single BIN. From the studied taxa, 60% were characterised larger than 2.2% sequence divergence indicating high genetic variation or cryptic diversity. Within our limited taxonomic coverage, we found one new species for the Republic of Georgia (Galba schirazensis) and at least three undescribed species belonging to the genera Stagnicola, Segmentina and Anisus. Uniqueness and high molecular diversity of the studied species emphasise the need for further intensive morphological and molecular investigations of the South Caucasian freshwater molluscan fauna.https://bdj.pensoft.net/article/84887/download/pdf/South CaucasusDNA barcode library
spellingShingle Ani Bikashvili
Nino Kachlishvili
Bella Japoshvili
Levan Mumladze
Species diversity and DNA barcode library of freshwater Molluscs of South Caucasus
Biodiversity Data Journal
South Caucasus
DNA barcode library
title Species diversity and DNA barcode library of freshwater Molluscs of South Caucasus
title_full Species diversity and DNA barcode library of freshwater Molluscs of South Caucasus
title_fullStr Species diversity and DNA barcode library of freshwater Molluscs of South Caucasus
title_full_unstemmed Species diversity and DNA barcode library of freshwater Molluscs of South Caucasus
title_short Species diversity and DNA barcode library of freshwater Molluscs of South Caucasus
title_sort species diversity and dna barcode library of freshwater molluscs of south caucasus
topic South Caucasus
DNA barcode library
url https://bdj.pensoft.net/article/84887/download/pdf/
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