华北农学报 ›› 2024, Vol. 39 ›› Issue (2): 174-183. doi: 10.7668/hbnxb.20194563

所属专题: 畜牧

• 畜牧・水产・兽医 • 上一篇    下一篇

麦洼牦牛MFSD4A基因克隆及组织表达分析

胡莲1,2, 刘益丽1,2, 赵迪1,2, 王泽宁1,2, 江明锋1,2   

  1. 1 西南民族大学,青藏高原动物遗传资源保护与利用教育部和四川省重点试验室,四川 成都 610041
    2 西南民族大学 畜牧兽医学院,四川 成都 610041
  • 收稿日期:2023-12-27 出版日期:2024-04-28
  • 通讯作者:
    江明锋(1971—),男,四川茂县人,教授,博士,硕士生导师,主要从事生理基因组学及基因工程研究。
  • 作者简介:

    胡 莲(1997—),女,四川资阳人,在读硕士,主要从事动物遗传育种研究。

  • 基金资助:
    四川省科技计划项目(2021YFYZ0001); 西南民族大学研究生创新型科研项目(ZD2022490); 四川省科技计划项目(2023YFQ0076); 四川省自然科学基金(2022NSFSC1665); 那曲市科技局重点研发项目(NQKJ-2023-07)

Cloning and Tissue Expression Analysis of MFSD4A Gene in Maiwa Yak

HU Lian1,2, LIU Yili1,2, ZHAO Di1,2, WANG Zening1,2, JIANG Mingfeng1,2   

  1. 1 Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education and Sichuan Province, Southwest Minzu University,Chengdu 610041,China
    2 College of Animal Science and Veterinary Medicine,Southwest Minzu University,Chengdu 610041,China
  • Received:2023-12-27 Published:2024-04-28

摘要:

旨在克隆麦洼牦牛MFSD4A基因序列并阐明其在不同组织中的表达模式,分析MFSD4A互作蛋白mRNA表达水平及其相关性,确定MFSD4A蛋白的亚细胞定位,为后续MFSD4A在牦牛睾丸生长发育调控研究中提供理论依据。以4头健康麦洼牦牛的心、肝、脾、肺、肾、肌肉、脂肪、臀肌、背部肌肉、睾丸、结肠组织作试验材料,用 RT-PCR技术克隆麦洼牦牛MFSD4A 基因CDS序列并对其进行生物信息学分析;利用RT-qPCR技术检测MFSD4A基因在心、肝、脾、肺、肾、臀肌、背部肌肉、脂肪、睾丸、淋巴等10个组织中的表达及与其互作蛋白的相关性;构建pEGFP-MFSD4A融合质粒转染牛肾细胞系(MDBK)探究MFSD4A蛋白的亚细胞定位情况。结果表明,麦洼牦牛MFSD4A基因 CDS 区全长为1 530 bp,编码509个氨基酸,理论等电点(pI)为8.66,具有12个跨膜结构域,属于碱性跨膜蛋白;RT-qPCR结果显示,MFSD4A mRMA在麦洼牦牛各组织中差异表达,且在睾丸组织中表达量最高,与MFSD9CBY1INHBAUNC93ASVOPID1在睾丸组织中的表达量呈极显著正相关,推测MFSD4A基因可能与牦牛睾丸的生长发育调控有关;构建 pEGFP-MFSD4A 融合质粒转染牛肾细胞(MDBK)后的荧光定位显示该蛋白主要定位于细胞核。

关键词: 牦牛, MFSD4A, 基因克隆, 互作蛋白分析, 亚细胞定位

Abstract:

This study aims to obtain the MFSD4A gene sequence in Maiwa yak and elucidate its expression patterns in different tissues,analyze the mRNA expression levels of the interacting proteins of MFSD4A,and determine the subcellular localization of the MFSD4A protein,and provide a theoretical basis for further research on regulating MFSD4A in the growth and development of yak testis.RT-PCR was used to obtain the MFSD4A gene CDS sequence in Maiwa yak and perform bioinformatics analysis.RT-qPCR was used to detect the expression differences of the MFSD4A gene in 10 tissues,including heart,liver,spleen,lung,kidney,gluteal muscle,back muscle,fat,testis,and lymph,and the correlation between the interacting proteins and MFSD4A.pEGFP-MFSD4A fusion plasmid was transfected into Madin-Darby bovine kidney cells(MDBK)to investigate the subcellular localization of the MFSD4A protein.The results indicated that the entire length of the MFSD4A gene CDS region in the macaque yak was 1 530 bp,encoding 509 amino acids with a theoretical isoelectric point(PI)of 8.66.It had 12 transmembrane domains and belonged to the alkaline transmembrane protein.RT-qPCR results showed differential expression of MFSD4A mRNA in various tissues of the macaque yak,with the highest expression in the testis.It was also highly positively correlated with the expression levels of MFSD9,CBY1,INHBA,UNC93A,SVOP,and ID1 in the testis,suggesting that the MFSD4A gene might be related to the regulation of growth and development of yak testis.Fluorescence localization of the pEGFP-MFSD4A fusion vector transfected into Madin-Darby bovine kidney cells(MDBK)showed that the protein was mainly located in the nucleus.

Key words: Yak, MFSD4A, Gene cloning, Interaction protein analysis, Subcellular localization

引用本文

胡莲, 刘益丽, 赵迪, 王泽宁, 江明锋. 麦洼牦牛MFSD4A基因克隆及组织表达分析[J]. 华北农学报, 2024, 39(2): 174-183. doi: 10.7668/hbnxb.20194563.

HU Lian, LIU Yili, ZHAO Di, WANG Zening, JIANG Mingfeng. Cloning and Tissue Expression Analysis of MFSD4A Gene in Maiwa Yak[J]. Acta Agriculturae Boreali-Sinica, 2024, 39(2): 174-183. doi: 10.7668/hbnxb.20194563.