Association between Microsatellite Polymorphism and Body Size Traits in Sonid Bactrian Camels
Association between Microsatellite Polymorphism and Body Size Traits in Sonid Bactrian Camels
Jun Yan Bai1*, Ren Tao Di Wu2, Qiang Zhang2, Di Bao2, Le Ma Dao2 and Xing Hua Tian3
ABSTRACT
In this study, 17 microsatellite markers were used to analyze the genetic diversity of Sonid bactrian camels, and the correlation between microsatellite markers and their body size was analyzed to find microsatellite markers associated with the body size traits of Sonid bactrian camels, so as to provide reference for marker-assisted selection of Sonid bactrian camels. The results showed that 64 alleles were detected in 17 microsatellite markers. The average number of alleles was 3.7647, the average heterozygosity was 0.6205, and the average polymorphism information content was 0.5602. It showed that the population of Sonid bactrian camel had high genetic diversity. Among 17 microsatellite markers, 4 microsatellites were found to be associated with body size traits of Sonid bactrian camels. The body length of AB genotype labeled LCA33 was significantly higher than that of AA genotype (P<0.05), and the chest circumference, tube circumference and body weight of AB genotype were significantly higher than those of AA genotype and AC genotype (P <0.05). The chest circumference and body weight of A A genotype marked LCA90 were significantly higher than those of AC genotype and BB genotype (P < 0.05). The body length of AB genotype marked CMS36 was significantly higher than that of AA genotype and BB genotype (P < 0.05). The body weight of CE genotype marked YWLL44 was significantly higher than that of AC genotype, BD genotype and BE genotype (P< 0.05), the circumference of CE genotype was significantly higher than that of AC genotype (P < 0.05), and the chest circumference of CE genotype was significantly higher than that of AC genotype and BD genotype (P< 0.05). The other 13 microsatellite markers had no significant effect on the body size of Sonid bactrian camels.
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April 2021
Vol. 53, Iss. 2, Pages 401-800
