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捻转血矛线虫HLJ株15ES抗原基因的原核表达

Prokaryotic expression of Haemonchus contortus HLJ strain 15ES antigen gene
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摘要 为了对羊源捻转血矛线虫(H.contortus)15ES抗原基因进行原核表达,本研究利用RT-PCR技术从黑龙江省羊源H. contortus成虫总RNA中扩增得到相对分子质量15kuES蛋白基因(H15ES),序列分析表明,其核苷酸序列与国外已发表的15ku排泄分泌抗原基因的同源性为99.78%。将H15ES克隆至pET-32a(+)中,构建重组表达质粒pET-32a-H15ES,转化大肠杆菌,IPTG诱导表达,经SDS-PAGE电泳和western blot分析表明,表达蛋白相对分子质量约为35.2ku。本研究为H. contortus病诊断抗原和保护性抗原的大量制备及H. contortus核酸疫苗的研究奠定了基础。 The 15 ku ES antigen gene was amplified by RT-PCR from the total RNA extracted from the Haemonchus contorms. Sequence analysis showed that the gene was 99.78 % identical to the 15 ku ES antigen gene in the GenBank. The H15 ES antigen gene was cloned into prokaryotic expression vector pET-32a(+) and expressed in E. coil The expression products were detected by SDS-PAGE and confirmed by western blot. The recombinant protein could serve as diagnostic and protective antigen of Haemonchosis.
出处 《中国预防兽医学报》 CAS CSCD 北大核心 2009年第12期982-984,共3页 Chinese Journal of Preventive Veterinary Medicine
基金 东北农业大学科学研究基金 哈尔滨市科技创新人才研究专项资金(2006RFQXN016) 十一五黑龙江省重大专项科技攻关计划项目(GA06B202-3) 黑龙江省自然科学基金(c200929)
关键词 捻转血矛线虫 排泄分泌抗原 克隆 原核表达 Haemonchus contortus excretory-secretory antigen clone prokaryotic expression
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  • 1Schallig H D, Leeuwen M A, Comelisen A W. Protective immunity induced by vaccination with two Haemonchus contortus excretory secretory protein in sheep [J]. Parasite Immunol, 1997,19: 447-453.
  • 2Verveled L, Leeuwen M A, Kruidenier M, et al. Production studies with recombinant excretory/secretory proteins of Haemonchus contortus [J]. Parasite Immunol, 2002, 24(4): 189-201.
  • 3Bakker N, Vervelde L V, Kanobana K, et al. Vaccination against the nematode Haemonchus contortus with a thiol-binding fraction from the excretory/secretory products(ES) [J]. Vaccine, 2004, 22 (5-6): 618-628.
  • 4Vervelde L, Kooyman F N, Leeuwen M A, et al. Age related protective immunity after vaccination with Haemonchus contortus excretory secretory proteins [J]. Parasite Immunol, 2001, 23 (8): 419-426.
  • 5Rathore D K, Suchitra S, Saini M, et al. Identification of a 66 kDa Haemonchus contortus excretory/secretory antigen that inhibits host monocytes [J]. Vet Parasitol, 2006, 138(3-4): 291-300.
  • 6黑龙江省畜禽寄生虫区系调查协作组.黑龙江省畜禽寄生虫区系渊查研究.黑龙江畜牧兽医,1986,:2-6.
  • 7王春仁,马桂芬,赵金萍,王忠福,刘秀利,刘薇,宫学君.黑龙江西部羊寄生虫的调查及控制技术的建立[J].黑龙江八一农垦大学学报,2005,17(4):53-57. 被引量:12

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