MeRIP sequencing reveals the regulation of N6-methyladenosine in muscle development between hypertrophic and leaner broilers
文献类型： 外文期刊
作者： Wang, Zhijun 1 ; Ju, Xing 3 ; Li, Kan 3 ; Cai, Danfeng 3 ; Zhou, Zhen 3 ; Nie, Qinghua 3 ;
作者机构： 1.Zhejiang Agr & Forestry Univ, Coll Anim Sci & Technol, Key Lab Appl Technol Green Ecohlth Anim Husb Zheji, Zhejiang Prov Engn Lab Anim Hlth Inspection & Inte, Hangzhou 311300, Peoples R China
2.Zhejiang Agr & Forestry Univ, Coll Vet Med, Hangzhou 311300, Peoples R China
3.South China Agr Univ, Coll Anim Sci, Dept Anim Genet Breeding & Reprod, Guangzhou 510642, Peoples R China
4.Minist Agr, Guangdong Prov Key Lab Agroanim Genom & Mol Breedi, Guangzhou 510642, Peoples R China
5.Minist Agr, Key Lab Chicken Genet Breeding & Reprod, Guangzhou 510642, Peoples R China
关键词： MeRIP; muscle development; broiler; N6-Methyladenosine; ALKBH5
期刊名称：POULTRY SCIENCE （ 影响因子：4.4； 五年影响因子：4.4 ）
ISSN： 0032-5791
年卷期： 2024 年 103 卷 6 期
页码：
收录情况： SCI
摘要： Meat production performance is the most important economic trait in broilers, and skeletal muscle, as the largest organ in animals, is directly related to meat production during embryonic and postnatal growth and development. N6-Methyladenosine (m6A) is a chemical modification occurs on RNA adenosine that has been reported to participate in a variety of biological processes in all species. However, there are still few reports on the regulatory role of muscle growth and development in poultry after birth. This study aims to reveal the distribution of m6A modification sites in chicken pectoralis major muscle after birth and find out the regulatory relationship between m6A and muscle development. As representatives of leaner (Xinghua chicken [XH]) and hypertrophic (White Recessive Rock chicken [WRR]) broilers, there are significant differences in body weight, muscle fiber diameter, and muscle fiber cross-sectional area between XH and WRR chickens. RNA sequencing detected a total of 397 differentially expressed genes (DEG) in the pectoralis major muscle of XH and WRR chicken, and these DEGs were mainly enriched in catalytic activity and metabolic pathways. MeRIP sequencing results showed that among all 6,476 differentially modified m6A peaks, about 90% peaks (5,823) were differentially down regulated in XH chickens. The joint analysis of the mRNA and MeRIP sequencing data found 145 DEGs with differential m6A peak, ALKBH5 as a m6A demethylase, was also included. The highly expression of ALKBH5 in the muscle tissue of poultry and differential expression between XH and WRR chickens suggest that ALKBH5 may play a crucial role in regulating muscle development. Our results revealed that there were significant differences in growth rate, body weight, muscle fiber diameter, and fiber crosssection area between WRR and XH chicken, as well as significant differences in m6A methylation level and muscle metabolism level.
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