有毒株 的英文怎麼說

中文拼音 [yǒudúzhū]
有毒株 英文
virulent strain
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 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...
  • 株 : Ⅰ名詞1. （露在地面上樹木的根和莖） root and stem of a tree above the ground 2. （植株） individual plant; plant Ⅱ量詞（棵）
  • 有毒 : poisonous; venomous; deleterious
  1. The virulent strains had a polysaccharide capsule and formed smooth colonies on agar medium.

    有毒菌株具有多糖莢膜它在瓊脂培養基上形成光滑的菌落。
  2. Some virulent strains of pvx cause rugosity go the leaves even crinkling, called pvx crinkle.

    PVX的有些強毒株系引起葉子的粗縮甚至皺縮，叫做PVX皺縮。
  3. And amino acids of strain mrv between antigenic site and glycosylation site is different. to some extent, it will decide and change the antigen of mrv

    Mrv的抗原部位和糖基化位點氨基酸均有變異，這種變異可能在不同程度上會改變毒株的抗原性。
  4. 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。
  5. New variants of some plant viruses have been produced artificially in the laboratory by treating pure virus strains with mutagens.

    用亞硝酸之類的誘變處理純病毒株系，能在實驗室內人為地使有些植物病毒產生新變種。
  6. 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。
  7. Pp38 was found to have immunosuppressive effect on chicken in vivo and the copy number of 132 - bpr was found to be associated with the attenuation of the virus in vitro, meq was believed to be a potential oncogene, based on its leucine zipper structure and proline - rich domain characteristic of jun / fos family of transcription factors, and may plays an important role in the pathogenicity or oncogenicity of mdv

    其中， meq與132 - bpr兩個基因是mdv - 1所特有，已證實132 - bpr的拷貝數與毒株的體外致弱程度有關， pp38則被證實可抑制機體的免疫應答。 meq基因由於具有與致瘤基因jun fos家族類似的分子結構，因此，我們有理由認為meq基因在mdv致病、致瘤中可能發揮重要的作用。
  8. Some virulent strains of pvx cause rugosity go the leaves even crinkling, called pvx crinkle

    Pvx的有些強毒株系引起葉子的粗縮甚至皺縮，叫做pvx皺縮。
  9. Water fleas daphnia magna was fed both toxic alga microcystis aeruginosa ds and nontoxic alga m. aerztginosa 573 for 7 ~ 14 days under laboratory condition

    摘要用銅綠微囊藻有毒株ds和無毒株573喂養大型? ，觀察微囊藻對蟲體的生長和繁殖的影響。
  10. Rt - pcr was used to amplify the cdna of the genome. these cdna fragments were cloned into the plasmid pucm - t. the result indicated that the seguence of the genome was obtained. the genome of aev - nh937 composed of 7055 nucleotides, potentially encodes a polyprotein of 2134 amino acids. the genome of aev - nh937 has 94. 3 % nucleotides identity with the calnek vaccine strain of aev

    把它們分段克隆在pucm - t載體上，經序列分析，獲得了aev - nh937毒株的基因組全序列及推導的氨基酸序列，基因組全長為7055個核苷酸，與calnek疫苗株具有94 . 3的同源性，編碼一個含2134個氨基酸的多聚蛋白。
  11. The eiav - pok8. 2 - his was transfected into the donkey leukocyte culture. following an incubation period, reverse transcriptase activity was detected in cell culture supernatants. cytopathic effect was observed by no. six passages post - infection in donkey leukocyte infected by the virus derived from eiav molecular clones eiav - pok8. 2 - his

    提取前病毒dna ， pcr擴增p1p4片段，亞克隆至pmd18 - t載體，測序證明前病毒dna含有六個組氨酸，從而在體外獲得了感染性克隆病毒株。
  12. It indicated that the chinese isolates belong to north american group. two pairs of different primers of orf7 were used to identify the genotype of prrsv isolates in china, and then compared with the reference isolates of north american and european serotype and modified live prrsv vaccine. the results further proved that prrsv prevalent in china belongs to b genetype. combining the restriction enzyme digestion patterns obtained from mini, hindi and sactt, we observed 2 distinct rflp patterns

    在此基礎上，擴增各毒株的orf5基因，用mlu ， hinc和sac限制性內切酶切割orf5基因，通過這3種限制性內切酶獲得了各毒株的orf5基因限制性酶切圖譜，經rflp分析表明國內分離毒株與美洲型強毒株有著相同的rflp圖譜，而與疫苗毒的rflp圖譜存在明顯差異，進一步證明國內分離毒株的基因型屬於美洲型的強毒株。
  13. The result showed vp2 hydrophilic region and antigen variant and virulence of ibdv had very affinity

    該結果表明， vp2與ibdv毒株的毒力強弱和抗原變異有密切的關系。
  14. Regions and amino acids, which were characterized as important for antigenicity or pathogenicity of ibdv, were also discussed

    這表明，河北省與其周邊省市的法氏囊毒株有交叉感染，相互影響的。
  15. It was interested that there was an extra six nucleosides insertion between 1647 - 1652nt ( according to the genomic sequence of la sota strain ), and the sequence were cccccc in f48e9 strain, and tcccac in zj1 strain. in order to test if insertion of this six nucleosides is related with the virulence of nd, two primers were designed to amplify the same fragment of another ten ndv strains. the result of sequence comparison of 16 strains showed that the six nucleoside was absent in lentogenic strain. this suggested that the six nucleosides insertion might have relationship with the ndv virulence. compared with all known sequence of ndv. there was a special sequence ( 5 ' tctctctcctctctcctcc3 " ) in the genomic cdna of ndv f48e9 strain

    通過rt - pcr方法擴增獲得了另外10個背景清楚毒株的np - p基因間隔區片段，將這些序列與f48e9 、 lasota 、 clone30 、 b1 、 zj1和v4的相應序列進行了比較，結果在參比的16個ndv毒株中在該區段中除了有多個點突變外，個別毒株有堿基插入和缺失，所有以lasota株為代表的弱毒株均無6堿基的插入，而以f48e9株為首的強毒株均有此6堿基的插入，但有一個中等毒力的毒株dp沒有6堿基的插入，不過它的基因序列和lasota的幾乎相同，對于所克隆到的基因的代表性還有待確定。
  16. Such as, its color is red, maybe you will fall in love with it, nevertheless, be careful

    比如說鮮艷的曼陀羅十分好看，但它美麗的背後真相卻是原來美人全株有毒。
  17. And wibdv specific rt - pcr also uesed to detected these samples in the years from 1993 to 2000, there are 8 strains belong to wibdv and 13 belong cibdv. two strains ca n ' t typing for they can be cleaved with both of enzymes sspl and saci.

    結果發現1993年至2003年的病料或分離的毒株中，有8株確定為vvibdv ， 13株踴定為cibdv ，另外，有兩株不能確定。
  18. The nucleic acids of the all influenza viruses conducted in the research were extracted from the viruses propagated in specific - pathogen - free chicken embryos. all of the eight segments were amplified by rt - pcr, and the purified pcr products were done cycle sequencing with specific primers, furthermore, the sequencing products were purified and run gel on abi prism 377 dna sequencing machine. the specific primers of the eight genes for pcr and cycle sequencing were designed using the ohgo ( 4. 0 version ) and genedoc ( 2. 3 version ) software

    首先將實驗用毒株在spf雞胚中增殖，提取核酸，然後應用oligo （ 4 . 0版本）和gendoc （ 2 . 3版本）軟體設計h9n2aiv所有8個基因片段特異的pcr引物及序列測定引物，通過rt - pcr方法擴增所有毒株的各個基因片段，純化後用特異引物進行測序反應，反應產物純化后在abiprism377dna序列分析儀上進行序列測定，然後應用wisconsinsequenceanalysispackage （ gcg ， 10 . 2版本） 、 phylogeneticanalysisusingparsimony （ paup ， 4 . 0版本）和treeview （ 1 . 5版本）軟體進行序列的數據編輯、序列翻譯、進化樹繪制和遺傳演化分析。
  19. The left strains induced mortality in the ranges of 6 % - 77 %. however, all strains could cause severe atrophy of the bursa and thymuses, no matter they caused high or low mortality

    其餘毒株對spf雞的致死率則介於6 ? 77之間，但是所有毒株都能造成法氏囊和胸腺的顯著萎縮。
  20. According to the resources lately reported, six antigenic epitopes of the f protein were located at the three - dimensional structure of the protein. the amino acids responsible for the epitopes of the strains in the study were compared and the result revealed that all these amino acid sites were highly conserved. the weak variations were found only among four strains not related to different genotypes

    根據最新資料報道的f蛋白三維結構的抗原表位的定位結果，分析和比較了22個毒株在這些表位中關鍵aa位點的變異情況后發現，在維持f蛋白空間結構中起重要作用的3個抗原位點一一第72位、 161位和343位aa位點上，所有毒株高度一致，未產生任何變異。
分享友人
分享到 Line

分享到臉書