畜牧兽医学报 ›› 2014, Vol. 45 ›› Issue (10): 1679-1683.doi: 10.11843/j.issn.0366-6964.2014.10.014

• 预防兽医 • 上一篇    下一篇

马立克病病毒对鸡NRAMP1和TNFSF13B基因转录水平的影响

杨玲,张娇,刘宁,董忠典,王慧*   

  1. (山东农业大学动物科技动物医学院,泰安 271018)
  • 收稿日期:2014-03-13 出版日期:2014-10-23 发布日期:2014-10-23
  • 通讯作者: 王慧,教授,E-mail:wanghui2328@sdau.edu.cn
  • 作者简介:杨玲(1990-),女,辽宁绥中人,硕士,主要从事家禽遗传育种及抗病性研究,E-mail:yanglingdongyi@163.com;张娇(1988-),女,吉林松原人,硕士,主要从事家禽遗传育种及抗病性研究,E-mail:404845571@qq.com。二人并列第一作者
  • 基金资助:

    山东省农业良种工程(2011LZ015-4);地方优良家禽新品种选育(2012LZ017-4)

The Effect of Marek’s Disease Virus on Transcription Levels of NRAMP1 and TNFSF13B in Chickens

YANG Ling,ZHANG Jiao,LIU Ning,DONG Zhong-dian,WANG Hui*   

  1. (College of Animal Science and Veterinary Medicine,Shandong Agricultural University,Tai’an 271018,China)
  • Received:2014-03-13 Online:2014-10-23 Published:2014-10-23

摘要:

旨在探究马立克病毒(MDV)感染后,不同鸡体内NRAMP1和TNFSF13B基因的转录差异;比较不同鸡种对MDV的抗病性差异。选取山东省优良地方鸡种济宁百日鸡、汶上芦花鸡、寿光鸡作为研究对象,以SPF白来航鸡为对照。随机抽取100枚受精卵,在同一孵化箱内同时进行孵化、育雏和马立克病毒的人工攻毒,攻毒后7~90 d,选取染病且存活的鸡,采集肝、脾等组织,进行荧光定量PCR检测。结果表明:在7日龄攻毒后90 d的脾组织中,汶上芦花鸡与寿光鸡和SPF鸡NRAMP1基因的mRNA转录量差异显著(P<0.05);在7日龄攻毒的肝组织中,济宁百日鸡的TNFSF13B基因mRNA的转录量显著高于其余3个鸡种(P<0.05)。结果提示:NRAMP1作为家禽抗马立克病的候选基因,在感染了马立克病毒90 d后,转录量显著上调,可能是其增强鸡对MDV的抵抗力的重要因素;TNFSF13B作为肿瘤相关抑制基因,在济宁百日鸡中的转录量最高,济宁百日鸡作为肿瘤发生率最高的鸡种,在最后存活的抗性鸡中转录量高。

Abstract:

This experiment was designed to study the transcription of NRAMP1 and TNFSF13B genes in chickens infected with Marek’s disease virus (MDV),and reveal the disease resistance mechanism of different breeds.The excellent local breeds,Jining Bairi chicken,Wenshang Luhua chicken and Shouguang chicken in Shandong province were selected as the materials,at the same time,the SPF White Leghorns were selected as control.One hundred chicken embryos were randomly selected,hatched,brood.Artificially MDV inoculation was conducted at the age of 7 days.Then the liver and spleen of the survivors were picked up after raised for 90 days for quantitative PCR detection.At the spleen tissues,the mRNA transcription of NRAMP1 gene of Wenshang Luhua chicken was significantly higher than that of Shouguang chicken and SPF chicken (P<0.05);at the liver tissues,mRNA transcription of TNFSF13B gene of Jining Bai’ri chicken was significantly higher than that of the other three breeds (P<0.05).These results indicated that NRAMP1,the resistance candidate gene,was significantly transcripted at 90 days post MDV challenge,and can be the important factor for enhancing resistance;TNFSF13B,as the tumor suppressor gene,was significantly transcripted in Jining Bai’ri chicken which was the most capability tumor incidence breed and showed the highest level of TNFSF13B in the survivors.

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