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The Effect of PIS Region on Horned or Polled Phenotype Traits in China Guanzhong Dairy Goats

The Effect of PIS Region on Horned or Polled Phenotype Traits in China Guanzhong Dairy Goats

Zilu Zhang1, Ning Wang2, Ce Hou1, Laiba Shafique1, Saif ur Rehman1, Zhuyue Wu2, Zhiqiang Wang1, Mingsong Wei3* and Kuiqing Cui1*

1A State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, Guangxi 530005, PR China
2Shaoxing Hospital of Traditional ChineseMedicine, No. 641 Renmin Middle Road, Shaoxing, 312000 Zhejiang, P.R. China
3The Animal Husbandry Research Institute of Guangxi Zhuang Autonomous Region, Nanning 53001, China
 
Zilu Zhang and Ning Wang are the joint first authors.
 
* Corresponding author: 326220543@qq.com; kqcui@126.com

ABSTRACT

Studies have reported goat Polled Intersex Syndrome(PIS) a 11.7-kb deletion triggers intersexuality and polledness in goats. To determine the effect of PIS region on horned phenotype of Guanzhong dairy goats, four specific primers (PIS1-1, PIS1-2, PIS2 and PIS3) covering PIS fragment were designed, and four DNA fragment were amplifed and sequenced. A 12.814kb sequence was assembled containing the whole goat PIS region both in horned goats and in polled goats, which mean there were no 11.7 kb deletion in the Guanzhong dairy goats.The polymorphisms sites in PIS region of horned and polled Guanzhong dairy goats were identified, and a total of 30 polymorphisms sites were confirmed (A648T, T652C, G1107C, T2594C, G2820A, G3556A, A3573G, T3621C, A5329T, T5392G, G5878A, C5996T, A6187G, C6228A, G6969T, G7045T, T7057C, C7266G, C7417T, T8327G, T9029G, C10034A, A10846G, del 10861-10862TT, G11842A, G12157A, G12104A, del 12431-12432AT, G12665A and del 12771-12772TT) in the 12.814 kb sequence. The further annotation results showed that a tRNA was located at 4218-4290bp, STR1 (TGTGTGTGTGTG) and STR2 (ATATATATATAT) were located at 9473-9484bp and 12451-12462bp, respectively. Three micro RNAs, dme-mir-1, dme-mir-263a and cbr-mir-354 were confermed to locate at 3002-3023bp, 9078-9094bp and 10866-10882bp, respectively. There is a CpG island at 4390-4540 bp. Our results showed that the PIS regions have no effect on polled phenotype of Guanzhong dairy goat, genetic diversity in PIS region of the goat were identified and the key gene polymorphism sites still waiting to be determined.

 

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Pakistan Journal of Zoology

August

Vol. 54, Iss. 4, Pages 1501-2001

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