野毒 的英文怎麼說

中文拼音 [yědú]
野毒 英文
natural virus
  • 野 : Ⅰ名詞1 （野外） open country; the open:曠野 open spaces [country]; wilderness; 田野 open fields; ...
  • 毒 : Ⅰ名詞1 （對生物體有害的性質或物質; 毒物） poison; toxin 2 （毒品） drug; narcotics 3 （姓氏） a s...
  1. G gene of rabies virus m, the of two main regions ( about 1000nt ), ranging from 3161nt to 4162nt and ranging from 4012nt to 4863nt of glycoprotein gene of rabies virus strain m, isolated from mouse in he nan, china were amplified by reverse transcriptase - polynerase chain reaction ( rt - pcr ) in order to complete glycoprotein gene of strain m. these regions were sequenced by the produce of pcr directly. comparison and analysis of nucleotide sequence and amino acid sequence deduced with that of other strains published was performed by computer with dnasisv 2. 5demo software

    本研究對我國河南某地野鼠體內分離的狂犬病野毒株mrv基因的3161位? 4162位（ 1001個堿基）和4012位? 4863位（ 851個堿基）片段進行了反轉錄pcr擴增和序列測定，得到mrv的糖蛋白基因全序列，用dnasisv2 . 5demo分析軟體，與已發表的代表性毒株g基因全序列進行核苷酸和氨基酸序列的比較分析，結果表明在同一基因型中， mrv和國際標準攻毒株cvs的同源性最高（ 96 . 5 ） ，和中國減毒株ctn的同源性最低（ 79 . 8 ） 。
  2. Strain mrv and strain cvs are belong to the same genotype. however, strain mrv, ctn and cnx8511 are belong to different sub - genotype. finally, this researched also proved that the character of neuron tropism rabies viruses by comparison and analysis the homologies of amino acid sequence between 189 - 214 position and the bonding segment of snake venom curaremimetic neurotoxims and acetylcholine

    從計算機建立的各毒株系統樹分析， mrv和cvs屬於一個基因亞型，和我國減毒株ctn以及人源野毒株cnx8511屬于不同的亞型，並且證明了189 - 214位氨基酸序列與蛇神經毒素同乙酰膽堿結合部位的序列具有高度的同源性，說明狂犬病病毒的嗜神經特點。
  3. Avian encephalomyelitis virus ( aev ) is a picornavirus with a predilection for the central nervous system and other parenchymous organs of chickens that is transmited by the oral - faecal route. the virus may be spread by the vertical and horizontalroutes, and because of its great stability, contaminated areas may remain infectious for long periods. the egg - adapted van roekel strain is highly neurotropic and does not grow efficiently in the enteric tract of the chicken, and the field isolates of aev is usually enterotropic. despite this. the virion polypeptides of both naturally - occurring strains and the van roekel strain are antigenically identical

    侵害雞的中樞神經系統和其它實質性器官，該病毒通過口-糞途徑傳播，具有水平和垂直傳播的能力。由於它極大的穩定性，被污染的區域可能長期保持傳染性。雞胚適應株vanroekel是高度嗜神經的，並且在雞的腸道內不能有效的生長，而野毒株卻是嗜腸道型的。
  4. Because of difficulty in differentiating eiav wild strain from the vaccine strain （ dla ） in vivo ， we have to build a fast identification method between wild strain and vaccine strain of eiav s2 is an accessory protein of equine infectious anemia virus ( eiav ), the s2 function is not fully defined

    由於我國馬傳貧弱毒疫苗存在野毒和疫苗毒鑒別困難的問題，目前尚未得到歐美等發達國家的認證，如要進入國際市場，急需建立一種eiav強、弱毒快速鑒別診斷方法。
  5. Chickens at 4 weeks of age were the most sensitive

    結果表明，這些野毒株的毒力差異甚大。
  6. Immunity of live attenuated japanese encephalitis vaccine to differentwild je virus strains

    流行性乙型腦炎減毒活疫苗國內外不同野毒株的免疫性
  7. Three ibdv strains, designated as zj2000, zj991 and zj992, were isolated from bursa of fabricius of the sick chicken flocks in hangzhou, shenzhou, and ningbo of zhejiang province. the isolates could react with ibdv positive reference serum in the agar immune - diffusion test and caused 30 - 100 % mortality when passaged in chicken embryos. chickens inoculated with these isolates exhibited clinical and pathological signs typical of infectious bursal disease

    從浙江省杭州、嵊州，寧波等地暴發疑似傳染性法氏囊病的雞群中採集法氏囊病料（編號分別為zj2000 、 zj991 、 zj992 ） ，分離病毒，經瓊脂免疫擴散試驗、動物回歸試驗、雞胚回歸試驗和電鏡觀察等證實所分離的3株野毒是傳染性法氏囊病病毒。
  8. 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

    為研究病毒的核酸分子結構與其致病性的關系，本研究選取了在致死率上不同的4個ibdv野毒株，比較了它們的vpz基因高變區共494個堿基序列。
  9. In this study three wild strains of rabies virus were isolated from nanning, longan and bama of guangxi and were designated as 119, gxla and gxbm respectively

    本試驗從廣西南寧、隆安和巴馬分離到三株狂犬病毒野毒株，分別編號為119 、 gxla和gxbm 。
  10. The expression conditions of e2 gene in p. pastoris were optimized, the results indicated that the peak obtained after 72 hours ; pattern of inhibition / induction could improve expression level ; the best ph value were between 7. 5 and 8. 0 and the optimized methanol - induced concentration was 2 % - 3 % the e2 genes of the prevalent strain ( guangxi yulin strain ) and c strain derived from rabbit spleen tissue were amplified and cloned into e. coli the expression vector pproex - htb respectively, the recombinant plasmids pproex - gxyl and pproex - c were obtained and then were transformed into the dh5a e. coli competent bacteria respectively, the recombinant bacteria could express the major antigen region of e2 gene, the expression yields amount to 35 % and 38 % repectively

    豬瘟病毒ez基因的原核表達： pcr擴增出當前豬瘟流行野毒株，中國豬瘟兔化弱毒（ c株）兔脾組織毒ez基因的主要抗原區，將其克隆到原核大腸桿菌表達載體pproex htb中誘導表達，經sds page檢測表明，重組質粒能表達ez基因主要區蛋白， westernblot檢測表明，誘導表達蛋白與豬瘟陽性血清發生特異性反應，表達量為35和38 ，可用於基因工程診斷抗原。
  11. The study is mainly about finding the reason that caused atypical hc through analysis and homology comparison on e2 gene sequences and amino acid sequences of e2 glycoprotein among strains hclv, fc, hcv - jn, hcv - yc, shimen et. al. at last, the best program against hc was established in order to control and erase hc

    本研究主要是對豬瘟兔化弱毒疫苗、豬瘟病毒野毒株抗原基因（ e2 ）進行序列分析和同源性比較，分析發生非典型性豬瘟的原因，並在此基礎上制定最佳豬瘟免疫程序。
  12. A survey on the carrier of pseudorabies virus in the immunized pigs on some breeder farms of guangxi

    廣西部分種豬場免疫豬偽狂犬病野毒感染情況調查
  13. The comparison of meq gene sequences of different pathotypes of marek ' s disease virus meq genes of different pathotypes of marek ' s disease virus ( mdv ) were amplified, in the whole opening reading frame ( orf ) by polymerase chain reaction ( pcr ) technique, sequenced and compared with the published sequence of ga strain ( representing vmdv ). cvi988 / rispens and 814, commercial vaccine strains popularly used worldwide and in china respectively ; 648a, representing very virulent plus ( vv + mdv ) and 6 field isolates, originated from guangxi commercial chickens with visceral lymphomas and vaccine breaks, representing high pathogenic ( hpmdv ) and two of them ( g2 and n ) were proved to be vvmdv, were used

    本研究通過三個方面進行了研究，取得了如下主要實驗結果： 1mdv不同致病型（ pathotypes ）毒株meq基因序列的比較研究應用pcr技術擴增了不同致病型mdvs ，即國際通用型疫苗毒cv1988 rispens株和中國特有的疫苗毒814株、特超強毒648a株（ vv + mdv ）以及6個廣西分離到的野毒株共9個毒株的meq基因，進行核苷酸序列的測定並與標準強毒ga株（ vmdv ）進行核苷酸和氨基酸序列的比較。
  14. These essential component, hemagglutination, toxicity, immunogenicity of mycoplasma hyopneumoniae strain xy - 1 membrane protein were studied. the range of membrane protein mw is from 14kd to 100kd by means of sodium dodecyl sulfate - polyacrylamide gel electrophoresis, and molecular weights of the protective antigens were 36kd and 64kd by sds - page

    本研究以分離豬肺炎支原體野毒株（ xy - 1株）的膜蛋白為試驗材料，系統地研究了膜蛋白的分子量范圍、血凝性、毒性及免疫原性等。
  15. The result shows that the high degree of homology of e2 sequences and 426 residues amino acid sequences existed in the strain hclv, hcv - jn, hcv - yc, fc and the epitopes between the four strains are not variable obviously by analysising the variation of some main amino acid residues substitutions of e2 major antigenic domains, confirming initially immunization with hcv vaccine strain can resist challenging of field strains

    結果發現， hclv與fc間核苷酸及氨基酸序列的同源性分別為98 . 3 、 99 . 2 ；兩個野毒株與hclv和fc株之間的同源性也分別在98以上，與alfort株的同源性最低，分別在83 、 89左右。據此，可推測hclv 、豬瘟野毒株和c株之間的e2基因序列及氨基酸序列無明顯差異。
  16. These results showed that the three isolates were infectious bursal disease virus. the full - length cdna of the genomic segment a of two viruses, one virulent field strain ibdv zj2000 and one attenuated strains ibdv jd1, were amplified in a single step procedure by long - accurate reverse - transcription polymerase chain reaction ( la - pcr ), cloned into pgem - t easy vector, and sequenced

    分別以傳染性法氏囊病病毒zj2000株（野毒株）和jd1株（弱毒株）基因組dsrna為模板，採用long - accuratert - pcr （ la - pcr ）一步法擴增並克隆了兩株病毒的基因組a節段全長cdna 。
  17. Pathogenicity of 31 field strains of infections bursal disease viruses ( ibdv ) isolated during 1997 - 2001 in china was compared in spf chickens at different ages. the results indicated that the mortality induced by different strains varied very much. the mortality was also influenced by the age of chickens when infected

    為了弄清我國各地流行的ibdv毒力程度，在3 ? 7周齡spf雞進行人工感染的致病性試驗，以此比較研究了1997 ? 2001年期間從我國不同地區分離到的31個ibdv野毒株。
  18. However, the homologies of g and n gene between wild strains and attenuated strain ctn are much high

    三株野毒與減毒株ctn之間的n和g基因同源性均高於與3ag 、 era株的同源性。
  19. Products initially well - received, however in most cases, did not provide adequate protection in face of m. hyo field challenge

    即使初次免疫應答良好，但大多數情況下，當面對田間野毒挑戰時，還是不能提供足夠的保護力。
  20. The amplified e2 fragments of two hcv strains were all 1280bp in length by 2 % agrose gel electrophoresis. expected size of 1280bp of 2 fragments and their specificity were confirmed by restriction endonuclease digestion and then they were cloned respectively into pmd - 18t vector

    以此病毒rna為模板，利用rt - pcr技術，擴增出了豬瘟野毒株hcv - jn 、 hcv - yc完整的e2基因，用pmd - 18t載體克隆，經電泳檢測、酶切分析及pcr鑒定初步證實了所擴增片段的特異性。
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