Genetic characteristics of feral Misaki horses based on polymorphisms of microsatellites and mitochondrial DNA

The Misaki horse is a Japanese native horse, known as the “feral horse of Cape Toi”. In this study, we acquired the genetic information to establish their studbook, and analyzed their genetic characteristics for conservation. We genotyped 32 microsatellites and a mitochondrial D-loop region in 77 Mi...

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Veröffentlicht in:Journal of Veterinary Medical Science 2019, Vol.81(5), pp.707-711
Hauptverfasser: KOBAYASHI, Ikuo, AKITA, Masaru, TAKASU, Masaki, TOZAKI, Teruaki, KAKOI, Hironaga, NAKAMURA, Kotono, SENJU, Natsuko, MATSUYAMA, Ryota, HORII, Yoichiro
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container_title Journal of Veterinary Medical Science
container_volume 81
creator KOBAYASHI, Ikuo
AKITA, Masaru
TAKASU, Masaki
TOZAKI, Teruaki
KAKOI, Hironaga
NAKAMURA, Kotono
SENJU, Natsuko
MATSUYAMA, Ryota
HORII, Yoichiro
description The Misaki horse is a Japanese native horse, known as the “feral horse of Cape Toi”. In this study, we acquired the genetic information to establish their studbook, and analyzed their genetic characteristics for conservation. We genotyped 32 microsatellites and a mitochondrial D-loop region in 77 Misaki horses (80.2% of the population). The average number of alleles, observed heterozygosity, and expected heterozygosity were 3.4, 0.509, and 0.497, respectively. A neighbor-joining phylogenetic tree of individuals was constructed. Moreover, the results suggested that Misaki horses experienced a bottleneck, but it was neither severe nor recent. In addition, three mitochondrial haplotypes were confirmed. Consequently, we clarified the genetic background of Misaki horses that have been resident at Cape Toi for a long time.
doi_str_mv 10.1292/jvms.18-0565
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Vet. Med. Sci.</addtitle><description>The Misaki horse is a Japanese native horse, known as the “feral horse of Cape Toi”. In this study, we acquired the genetic information to establish their studbook, and analyzed their genetic characteristics for conservation. We genotyped 32 microsatellites and a mitochondrial D-loop region in 77 Misaki horses (80.2% of the population). The average number of alleles, observed heterozygosity, and expected heterozygosity were 3.4, 0.509, and 0.497, respectively. A neighbor-joining phylogenetic tree of individuals was constructed. Moreover, the results suggested that Misaki horses experienced a bottleneck, but it was neither severe nor recent. In addition, three mitochondrial haplotypes were confirmed. 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subjects conservation
genetic characteristics
Haplotypes
Heterozygosity
Horses
Microsatellites
Misaki horse
Mitochondrial DNA
Phylogeny
Population genetics
Wildlife Science
title Genetic characteristics of feral Misaki horses based on polymorphisms of microsatellites and mitochondrial DNA
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