Population Structure and Genetic Diversity of the Spotted Sleeper Odontobutis interrupta (Odontobutidae), a Fish Endemic to Korea

The spotted sleeper, Odontobutis interrupta, is a fish species endemic to Korea and shows potential as an aquaculture species. Nevertheless, the population size of this species has declined significantly in recent years. To characterize the population structure and genetic diversity of O. interrupta...

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Published in:Diversity (Basel) 2023-08, Vol.15 (8), p.913
Main Authors: Kim, Kang-Rae, Choi, Hee-kyu, Lee, Taek Won, Lee, Hyuk Je, Yu, Jeong-Nam
Format: Article
Language:English
Subjects:
Annealing
Aquaculture
bottleneck
Deoxyribonucleic acid
DNA
Endangered & extinct species
Endemic species
Extinction
Freshwater fish
Genetic analysis
Genetic diversity
Genetic structure
Genomes
Genotypes
Habitats
Inbreeding
Inbreeding depression
microsatellite
Microsatellites
Mitochondrial DNA
Nonnative species
Odontobutis interrupta
Population decline
Population genetics
Population number
Population structure
Populations
Provenance
River systems
Rivers
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description The spotted sleeper, Odontobutis interrupta, is a fish species endemic to Korea and shows potential as an aquaculture species. Nevertheless, the population size of this species has declined significantly in recent years. To characterize the population structure and genetic diversity of O. interrupta in Korea, we analyzed four microsatellite loci in twelve populations from four major river systems. The provenance of the population was investigated to discern the origin of the translocated populations. The genetic diversity of the microsatellite ranged from 0.440 to 0.756, showing a high level of diversity similar to that of other freshwater fishes. However, mitochondrial DNA analysis exhibited low genetic diversity (Hd: 0.000–0.674, π: 0.00000–0.00159). The FST values of microsatellites and mitochondrial DNA ranged from 0.096 to 0.498 and −0.046 to 0.951, suggesting genetic admixture among populations. All populations exhibited an effective population size of
doi_str_mv 10.3390/d15080913
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The genetic structure could be divided into unique genotypes from the Seomjingang and Geumgang Rivers. However, genetic admixture was observed in all populations, rendering it impossible to distinguish them. 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ispartof Diversity (Basel), 2023-08, Vol.15 (8), p.913
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subjects Annealing
Aquaculture
bottleneck
Deoxyribonucleic acid
DNA
Endangered & extinct species
Endemic species
Extinction
Freshwater fish
Genetic analysis
Genetic diversity
Genetic structure
Genomes
Genotypes
Habitats
Inbreeding
Inbreeding depression
microsatellite
Microsatellites
Mitochondrial DNA
Nonnative species
Odontobutis interrupta
Population decline
Population genetics
Population number
Population structure
Populations
Provenance
River systems
Rivers
title Population Structure and Genetic Diversity of the Spotted Sleeper Odontobutis interrupta (Odontobutidae), a Fish Endemic to Korea
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