Genetic Variation in Y-Chromosome Genes of Sika Deer (Cervus nippon) in Japan.

Genetic Variation in Y-Chromosome Genes of Sika Deer (Cervus nippon) in Japan. Zoolog Sci. 2020 Oct;37(5):411-416 Authors: Tanaka K, Hoshi A, Nojima R, Suzuki K, Takiguchi H, Takatsuki S, Takizawa T, Hosoi E, Tamate HB, Hayashida M, Anezaki T, Fukue Y, Minami M Abstract Sika deer (Cervus nippon) in Japan are classified into southern and northern groups. However, previous studies primarily relied on maternally inherited mitochondrial DNA (mtDNA). The paternally inherited Y-chromosome is useful for analyzing the contribution of males to the population genetic history of sika deer. In total, approximately 16 kb of partial sequences of four Y-chromosomal genes, Y-linked, sex-determining region Y, DEAD-box helicase 3 Y-linked, and Zinc finger protein Y-linked, were sequenced to investigate intraspecific variation. As a result, we identified nine intronic single nucleotide polymorphisms (SNPs) in 478 sika deer samples collected over the entire Japanese archipelago from Hokkaido to Kyushu. SNP genotyping revealed 10 distinct haplotypes (SYH1-SYH10). The most common haplotype (SYH1) was present in all populations and was the most abundant haplotype, identified in 80.3% of the sampled individuals. The remaining haplotypes were unique to a single locality. SYH1 was also central to all other haplotypes that diverged by a SNP, resulting in this haplotype being the core of a star-like cluster topography. We found that contrary to mtDNA patterns, ...
Source: Zoological Science - Category: Zoology Authors: Tags: Zoolog Sci Source Type: research