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- Title
Analysis of genetic structure of germplasm populations of miniature pig and commercial pig in Taiwan using SNP microarray.
- Authors
Lai, F. Y.; Chang, C. S.; Hsin, P. J.; Ding, S. T.; Chang, C. C.; Wang, P. H.
- Abstract
The microsatellite marker and single nucleotide polymorphism (SNP) have become popular molecular markers on description of the genetic variation of creature populations with different biological characters for the past two decades. However, the different results between microsatellite and SNP with variable test hypotheses probably were due to the differences of mutation rate and mechanisms, markers distribution in whole genome and biological functions. In this study, the genetic variation and structure among the miniature pig and the commercial pig populations were analyzed by 640K SNP microarray. The results revealed that the genetic distance between miniature pigs group and commercial pigs group was much larger than the distances among each miniature pig population and among each commercial pig population. Only the Mitsai pig (Lanyu 50) population with 50% Duroc and 50% Lanyu genetically was located between two groups. The Lee-Sung population, which contained much more Lanyu pig genetically, was in the miniature pig group. To sum up, SNPs from whole genome were proper markers for analyzing genetic structure of pig populations in Taiwan.
- Subjects
TAIWAN; SWINE genetics; SINGLE nucleotide polymorphisms; DNA microarrays; GERMPLASM; MICROSATELLITE repeats
- Publication
Journal of the Chinese Society of Animal Science, 2021, Vol 50, p64
- ISSN
0253-9187
- Publication type
Article