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Long F, Zhang Z, Chen J, Yang S, Tian Y, Mei C, Zhang W, Zan L, Tong B, Cheng G. The role of BBS2 in regulating adipogenesis and the association of its sequence variants with meat quality in Qinchuan cattle. Genomics 2022; 114:110416. [PMID: 35718089 DOI: 10.1016/j.ygeno.2022.110416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 05/11/2022] [Accepted: 06/13/2022] [Indexed: 11/04/2022]
Abstract
The BBS2 gene plays a vital role in human obesity and fat deposition. However, little is known about it in beef cattle. Therefore, this study investigates the function of BBS2 in the fat deposition of beef cattle and screens the effective SNPs marker for meat quality traits in cattle breeding. The expression of BBS2 is negatively correlated with marbling ratios of beef cattle. Moreover, the knockdown of BBS2 promoted adipogenesis and lipid accumulation of bovine preadipocytes by stimulating PPARγ, FABP4, and FASN expression (P < 0.01). Four novel SNPs in the exons of BBS2 in Chinese Qinchuan cattle were identified and of which the g.24226239C > T (Q527), g.24223562G > A (V441I), and g.24227851A > G (Q627R) were significantly associated with the meat quality of Qinchuan cattle (P < 0.01, P < 0.05). The findings suggested that BBS2 could be used as a candidate gene for meat quality improvement in Qinchuan cattle. Furthermore, these genotypes can be exploited as molecular markers in future beef breeding projects.
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Affiliation(s)
- Feng Long
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Ziyi Zhang
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Jiayue Chen
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Sen Yang
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Yuan Tian
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Chugang Mei
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Wenzhen Zhang
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Linsen Zan
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China; National Beef Cattle Improvement Centre, Yangling 712100, China
| | - Bin Tong
- The State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot 010070, China.
| | - Gong Cheng
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China; National Beef Cattle Improvement Centre, Yangling 712100, China.
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