Genetic relationships among emu populations in Japanese farms based on mitochondrial and microsatellite DNA polymorphisms

Emus (Dromaius novaehollandiae) are expected to become a novel poultry species for producing eggs, meat, and oil. In our previous studies, Japanese emu populations were predicted to have reduced genetic diversity through inbreeding. For a sustainable emu industry in Japan, it is necessary to underst...

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Bibliographic Details
Published in:Animal science journal 2022-01, Vol.93 (1), p.e13786-n/a
Main Authors: Koshiishi, Yuichi, Murata‐Okubo, Michiko, Kameyama, Yuichi, Souma, Kousaku, Hirayama, Hiroki, Wada, Kenta
Format: Article
Language:English
Subjects:
Animals
Deoxyribonucleic acid
DNA
DNA, Mitochondrial - genetics
Dromaiidae - genetics
Dromaius novaehollandiae
emu
Farms
Gene sequencing
Genetic diversity
Genetic relationship
Genetic resources
Genetic structure
Haplotypes
Inbreeding
Japan
microsatellite markers
Microsatellite Repeats - genetics
Mitochondrial DNA
Nucleotide sequence
Nucleotides
Ovum
Phylogeny
Population genetics
Population studies
Populations
Structural analysis
Variance analysis
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Summary:Emus (Dromaius novaehollandiae) are expected to become a novel poultry species for producing eggs, meat, and oil. In our previous studies, Japanese emu populations were predicted to have reduced genetic diversity through inbreeding. For a sustainable emu industry in Japan, it is necessary to understand the current genetic structure and relationships in dispersed farms. In this study, we investigated the genetic structure and relationships of six Japanese emu farms based on mitochondrial DNA and microsatellite polymorphisms. We analyzed the DNA sequences of the mitochondrial D‐loop region in 157 individuals and detected four haplotypes with four nucleotide substitution sites (Hap‐a, Hap‐b, Hap‐c, and Hap‐d). Analysis of molecular variance revealed that 43.6% of total variance was “among population,” and the FST value was 0.436 with significant genetic differentiation (P 
ISSN:1344-3941
1740-0929
DOI:10.1111/asj.13786