《中国畜牧兽医》 ›› 2017, Vol. 44 ›› Issue (4): 959-964.doi: 10.16431/j.cnki.1671-7236.2017.04.003

• 生物技术 • 上一篇    下一篇

MUC4和MUC13基因在ETEC F18抗性型和易感型梅山断奶仔猪间的差异表达分析

钦伟云1, 甘丽娜1, 魏宗友2, 叶兰2, 包文斌1, 吴圣龙1   

  1. 1. 扬州大学江苏省动物遗传繁育与分子设计重点实验室, 扬州 225009;
    2. 江苏省太仓市畜牧兽医站, 太仓 215400
  • 收稿日期:2016-10-14 出版日期:2017-04-20 发布日期:2017-05-03
  • 通讯作者: 吴圣龙 E-mail:pigbreeding@163.com
  • 作者简介:钦伟云(1992-),男,浙江湖州人,硕士,研究方向:猪抗病育种,E-mail:qinwy24@163.com
  • 基金资助:

    江苏省科技支撑计划重点项目(BE2014357);苏州市科技局攻关项目(SNG201628)

Differential Expression Analysis of MUC4 and MUC13 Genes Between Resistant and Sensitive Weaned Meishan Piglets to ETEC F18

QIN Wei-yun1, GAN Li-na1, WEI Zong-you2, YE Lan2, BAO Wen-bin1, WU Sheng-long1   

  1. 1. Key Laboratory for Animal Genetics, Breeding, Reproduction and Molecular Design of Jiangsu Province, Yangzhou University, Yangzhou 225009, China;
    2. Taicang Animal Husbandry and Veterinary Station of Jiangsu Province, Taicang 215400, China
  • Received:2016-10-14 Online:2017-04-20 Published:2017-05-03

摘要:

MUC4和MUC13基因作为产肠毒素大肠杆菌(enterotoxigenic Escherichia coil,ETEC) F4的重要抗性候选基因,可能在断奶仔猪抗ETEC F18菌株的感染过程中发挥重要作用,因此本试验运用实时荧光定量PCR法分析了MUC4和MUC13基因在梅山猪ETEC F18抗性型和易感型个体11个组织(心脏、肝脏、脾脏、肺脏、肾脏、胃、肌肉、胸腺、淋巴结、十二指肠和空肠)中的表达水平及差异。结果显示,MUC4和MUC13基因在检测的11个组织中均有不同程度的表达。其中,在胸腺和淋巴组织中,MUC4基因在抗性型个体中的表达水平显著高于易感型个体(P<0.05);在肺脏组织中,MUC13基因在抗性型个体中的表达水平显著高于易感型个体(P<0.05),且MUC13基因在抗性群体肠道中的表达水平较高。由此推测,MUC4基因在免疫组织、MUC13基因在肠道组织的高表达可在一定程度上提高了机体的免疫能力,保护和润滑肠道,从而抵抗ETEC F18菌株对机体的感染。

关键词: 猪; MUC4基因; MUC13基因; 产肠毒素大肠杆菌F18

Abstract:

MUC4 and MUC13 genes as important candidate genes for enterotoxigenic Escherichia coil (ETEC) F4 resistance,may play an important role in the process of against ETEC F18 infection in weaned piglets. In this study,ETEC F18-resistant and -sensitive weaned Meishan piglets were used,and the expression levels of MUC4 and MUC13 genes in 11 tissues (heart,liver,spleen,lung,kidney,stomach,muscle,thymus,lymph nodes,duodenum and jejunum) were determined by quantitative Real-time PCR. The results showed that MUC4 and MUC13 genes were broadly expressed with different expression levels in all the 11 tissues. In the thymus and lymph tissues,the expression of MUC4 gene in resistant piglets was significantly higher than that in sensitive piglets (P<0.05);In the lung tissue,theMUC13 gene expression level in resistant individuals was significantly higher than that in sensitive individuals (P<0.05),and in the intestinal tissues of duodenum and jejunum, the expression level of MUC13 gene was relatively higher in resistant individuals. Thus we speculated that the high expression of MUC4 gene in immune tissues and MUC13 gene in intestinal tissues might improve the immune ability of piglets,protect and lubricate the intestinal tract, and resist ETEC F18 infection.

Key words: pig; MUC4 gene; MUC13 gene; ETEC F18

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