Geographic Origin and Genetic Characteristics of Japanese Indigenous Chickens Inferred from Mitochondrial D-Loop Region and Microsatellite DNA Markers
| Autor: | Momomi Hirokawa, Takayuki Suzuki, Atsushi Takenouchi, Masaoki Tsudzuki, Takeshi Igawa, Mitsuo Nunome, Keiji Kinoshita, Ayano Hata |
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| Rok vydání: | 2020 |
| Předmět: |
lcsh:Veterinary medicine
animal structures General Veterinary Phylogenetic tree conservation population genetics Zoology Population genetics Biology phylogeny Article Haplogroup Indigenous D-loop Phylogenetics lcsh:Zoology evolution embryonic structures Genetic variation lcsh:SF600-1100 Microsatellite Animal Science and Zoology lcsh:QL1-991 livestock animals |
| Zdroj: | Animals Volume 10 Issue 11 Animals, Vol 10, Iss 2074, p 2074 (2020) Animals : an Open Access Journal from MDPI |
| ISSN: | 2076-2615 |
| Popis: | Japanese indigenous chickens have a long breeding history, possibly beginning 2000 years ago. Genetic characterization of Japanese indigenous chickens has been performed using mitochondrial D-loop region and microsatellite DNA markers. Their phylogenetic relationships with chickens worldwide and genetic variation within breeds have not yet been examined. In this study, the genetic characteristics of 38 Japanese indigenous chicken breeds were assessed by phylogenetic analyses of mitochondrial D-loop sequences compared with those of indigenous chicken breeds overseas. To evaluate the genetic relationships among Japanese indigenous chicken breeds, a STRUCTURE analysis was conducted using 27 microsatellite DNA markers. D-loop sequences of Japanese indigenous chickens were classified into five major haplogroups, A&ndash E, among 15 haplogroups found in chickens worldwide. The haplogroup composition suggested that Japanese indigenous chickens originated mainly from China, with some originating from Southeast Asia. The STRUCTURE analyses revealed that Japanese indigenous chickens are genetically differentiated from chickens overseas Japanese indigenous chicken breeds possess distinctive genetic characteristics, and Jidori breeds, which have been reared in various regions of Japan for a long time, are genetically close to each other. These results provide new insights into the history of chickens around Asia in addition to novel genetic data for the conservation of Japanese indigenous chickens. |
| Databáze: | OpenAIRE |
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