ibdv造句

• Molecular cloning and prokaryotic expression of structural protein vp3 gene of ibdv
  3基因的克隆与原核表达
• Effect of qinchuankang granule on the immune organs of chickens infected by ibdv
  对感染法氏囊病毒雏鸡免疫器官病理学的影响
• Infectious bursal disease virus ( ibdv ) is an important pathogenic agent of chicken
  摘要传染性法氏囊病毒是鸡的一种重要的病原。
• This research may open a new approach to effectively control of ibdv
  本文对ibdv基因免疫进行研究，期望为ibd的防治提供新的途径。
• It indicated that developed primary rt - pcr and nested - pcr are rapid diagnostic method for ibdv
  为ibd临床快速诊断提供了一种有用而可靠的新技术。
• The result showed vp2 hydrophilic region and antigen variant and virulence of ibdv had very affinity
  该结果表明， vp2与ibdv毒株的毒力强弱和抗原变异有密切的关系。
• With vvibdv and variant strains showed , it is very important to research of antigen and virulence of ibdv
  随着vvibdv和变异株的发现， ibdv的抗原变异和毒力研究变的尤为重要。
• Virul isolation had been done for the 23 positive samples by using cam or cef . we only got 11 strains of ibdv
  在此基础上设计的nested - pcr则大大提高了阳性检出率(提高52 . 1 ) 。
• Regions and amino acids , which were characterized as important for antigenicity or pathogenicity of ibdv , were also discussed
  这表明，河北省与其周边省市的法氏囊毒株有交叉感染，相互影响的。
• The results above clearly demonstrated that the recombinant ibdv vp2 produced in transgenic tobacco is immunogenic
  上述结果说明烟草中产生的ibdvvp2重组蛋白具有免疫学功能，能与ibdv特异性抗体反应。
• Indirect immuno - fluorescent assay and enzyme linked immunosorbent assay ( elisa ) showed that the expressed protein was reactive with chicken anti - ibdv serum
  Dna疫苗对bc6 85 、 zj2000 、 zj991等3株强毒株具有良好的免疫保护效果，平均保护率达83
• It confirmed that ibdv vp2 gene was integrated into nuclear chromosomal dna by pcr . pcr positve plants were double checked for incorporation of the recombinant gene by southern blots
  在转基因组织生长成植株的过程中， vp2基因随着植物细胞的生长而得到表达。
• For the products of primary rt - pcr and nested - pcr are all encompassing the hyper - variable region of vp2 gene , so we can take a restriction enzyme analysis ( rea ) directly
  第二，本研究的基础rt - pcr和nested - pcr所扩增的片段均是横跨ibdv的vvp2的，所以，可直接对pcr产物进行酶切分型研究。
• In this review , the developments made in the structure and function of the genome , molecular diagnosis methods and the molecular basis of the ibdv variation and so on were briefly described
  文章概述了在传染性法氏囊病毒基因组结构和功能、分子生物学诊断方法和病毒变异的分子基础等方面的研究进展。
• Series of dna vaccines including pci - vp2 / vp4 / vp3 , pcdna3 - vp2 / vp4 / vp3 , pci - vp2 , pcdna3 - vp2 of ibdv strains zj2000 and jd1 were developed using immune - stimulating complexes ( iscom ) as the adjuvant
  33 ；弱毒苗b87虽对bc6 85株具有良好的保护，但对zj991株、 zj2000株的攻击不理想，平均保护率仅达60 。
• Infectious bursal disease virus ( ibdv ) , the causative agent of infectious bursal disease ( ibd ) , causes immunosuppression in young chickens by destroying the precursors of b lymphocytes in the bursa of fabricius
  传染性法氏囊病( ibd )是由传染性法氏囊病病毒( ibdv )引起的急性接触性传染病，是危害世界养禽业的主要传染病之一。
• To understand of the current commercial vaccine could also protect chickens from wibdv challenges , two vaccines a and b were tested and compared for their protective immune efficacy in spf chickens against wibdv strain gx8 / 99
  在spf鸡分别比较研究了两个中等毒力ibdv疫苗接种后对法氏囊和胸腺的影响，以及对超强毒gx 8 99攻毒后的免疫保护力。
• There was a 100 % homology which was among sd - 3 / 98 , js30 / 99 and hk46 for the hv region of vp2 . it was demoastrated that the new wibdv strains gx8 / 99 had changed in both pathogenicity and vp2 gene
  Sd l 97 、 sd 3 98 、 js 30 99相互之间及其与ibdv参考株hk46间均具有相当高的同源性，结果似乎说明ibdv毒株的致病性与vpz基因高变区变异的关系不大。
• The traditional inactivated or attenuated vaccines could not provide enough protection against these variants and wibdv . therefore , a new generation of more effective and safer vaccines is anticipated . the purpose of this study was to develop a dna vaccine against ibdv
  用弱毒苗和灭活苗免疫鸡群是目前防治ibd的主要方法，但随着ibdv变异株与超强毒株的出现，免疫失败常有发生。
• Relatively , the new wibdv strains gx8 / 99 had less homology to wibdv reference strain hk46 and other 3 field strains as 96 . 8 % - 97 . 2 % at dna or aa levels , than the homology among hk46 and 3 strains , strains gx8 / 99 more than 98 . 4 % - 98 . 6 % at dna or aa levels
  为研究病毒的核酸分子结构与其致病性的关系，本研究选取了在致死率上不同的4个ibdv野毒株，比较了它们的vpz基因高变区共494个碱基序列。