Gene network analysis reveals candidate genes related with the hair follicle development in sheep
文献类型: 外文期刊
作者: He, Junmin 1 ; Zhao, Bingru 2 ; Huang, Xixia 3 ; Fu, Xuefeng 4 ; Liu, Guifen 5 ; Tian, Yuezhen 4 ; Wu, Cuiling 3 ; Mao, Jingyi 3 ; Liu, Jing 3 ; Gun, Shuangbao 1 ; Tian, Kechuan 5 ;
作者机构: 1.Gansu Agr Univ, Coll Anim Sci & Technol, Lanzhou, Peoples R China
2.China Agr Univ, Coll Anim Sci & Technol, Beijing, Peoples R China
3.Xinjiang Agr Univ, Coll Anim Sci, Urumqi, Peoples R China
4.Xinjiang Acad Anim Sci, Key Lab Genet Breeding & Reprod Fine Wool Sheep &, Inst Anim Sci, Urumqi, Peoples R China
5.Shandong Acad Agr Sci, Inst Anim Sci & Vet Med, Jinan, Peoples R China
关键词: Hair follicle; Merino sheep; RNA-seq; Differentially expressed genes; Network
期刊名称:BMC GENOMICS ( 影响因子:4.547; 五年影响因子:4.931 )
ISSN: 1471-2164
年卷期: 2022 年 23 卷 1 期
页码:
收录情况: SCI
摘要: Background Merino sheep are the most famous fine wool sheep in the world. They have high wool production and excellent wool quality and have attracted worldwide attention. The fleece of the Merino sheep is composed predominantly of wool fibers grown from secondary wool follicles. Therefore, it is necessary to study the development of hair follicles to understand the mechanism of wool production. The hair follicle is a complex biological system involved in a dynamic process governed by gene regulation. The hair follicle development process is very complex and poorly understood. The purpose of our research is to identify candidate genes related to hair follicle development, provide a theoretical molecular breeding basis for the cultivation of fine wool sheep, and provide a reference for the problems of hair loss and alopecia areata that affect human beings. Results We analyzed mRNAs data in skin tissues of 18 Merino sheep at four embryonic days (E65, E85, E105 and E135) and two postnatal days (P7 and P30). G1 to G6 represent hair follicles developmental at six stages (i.e. E65 to P30). We identified 7879 differentially expressed genes (DEGs) and 12623 novel DEGs, revealed different expression patterns of these DEGs at six stages of hair follicle development, and demonstrated their complex interactions. DEGs with stage-specific expression were significantly enriched in epidermal differentiation and development, hair follicle development and hair follicle morphogenesis and were enriched in many pathways related to hair follicle development. The key genes (LAMA5, WNT10A, KRT25, SOSTDC1, ZDHHC21, FZD1, BMP7, LRP4, TGF beta 2, TMEM79, SOX10, ITGB4, KRT14, ITGA6, and GLI2) affecting hair follicle morphogenesis were identified by network analysis. Conclusion This study provides a new reference for the molecular basis of hair follicle development and lays a foundation for further improving sheep hair follicle breeding. Candidate genes related to hair follicular development were found, which provided a theoretical basis for molecular breeding for the culture of fine wool sheep. These results are a valuable resource for biological investigations of fleece evolution in animals.
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