毒力變異 的英文怎麼說
中文拼音 [dúlìbiànyì]
毒力變異
英文
vi variation-
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。With vvibdv and variant strains showed, it is very important to research of antigen and virulence of ibdv
隨著vvibdv和變異株的發現， ibdv的抗原變異和毒力研究變的尤為重要。Van der werf adds that this affinity will, however, be affected by other genetic changes in the virus, which at present are an unknown factor
他還表示：但是親和力還將受到病毒中的其它基因變異的影響，這些在目前還是未知因素。However, because influenza a viruses have the potential to change and gain the ability to spread easily between people, monitoring for human infection and person - to - person transmission is important. ( see information about influenza pandemics for more information
然而，由於甲型流感病毒有可能發生變異並且獲得在人群中易於相互傳播的能力，因此檢測人對本病毒的感染及人與人間的相互傳染是很重要的。A few years latter the research showed, vp2 hydrophilic region and antigen variant and virulence of ibdv had very affinity. in order to lucubrate difference of virulence and antigen, and validate correntness of sequencing result, the test adopted sandwich enzyme - liked immunosorbent assay ( elisa ) and antigen caprure - elisa to determine virulence and antigen. and validate correntness of above - mentioned result
而近幾年的研究表明， vp2高變區與ibdv的抗原變異和毒力強弱有密切的關系，為進一步了解強弱毒株毒力和抗原的差別，並進一步證實測序結果的正確性，本試驗採用雙抗夾心elisa和ac - elisa的方法分別對其毒力和抗原進行了測定，並通過動物試驗證實了，其結果與序列分析結果基本一致。Two major hydrophilic peaks were conserved as well. however, there are two amino acid substitutions at positions 280 ( n to s ) and 290 ( m to l ) in the second minor hydrophilic peak of the strain zj2000, which might have a critical effect on antigenecity
Jd1株在決定其抗原性的大小兩個親水區內高度保守，而zj2000株第二個小親水區內280位氨基酸由s替代了n 、 290位l替代了m ，這兩個突變可能與zj2000株的抗原漂移和毒力變異有關。On our conjecture, gene 3a, a highly conserved sequence, may be the determinant of the virulence of fmdv. changes in 3a have been associated with altered host range. a deletion in 3a has been associated with bovine attenuation of fmdv
我們根據已有資料推測， 3a基因可能是口蹄疫病毒的毒力決定簇，它具有高度保守性，其變異和部分缺失對病毒在牛體內的致弱和宿主嗜性發生改變起重要作用。Although human - to - human transmission is inefficient, all influenza viruses have the ability to change genetically, and scientists are concerned that the h5n1 virus could one day be able to spread easily from one person to another. because the virus does not commonly infect humans, there is little or no immune protection against it in the human population. if the h5n1 virus could spread easily from person to person, an influenza pandemic could occur
禽流感可以從活鳥身上感染人類，現時人傳人的效率雖然不大，但所有流感病毒都有出現基因變異的能力，因此科學家都很關注h5n1病毒終有一天會輕易地在人與人之間傳播而且因為這種病毒感染在人類身上並不常見，人體抵抗這種病毒的免疫力極低，甚至根本沒有免疫力，一旦病毒能夠輕易地在人與人之間傳播，就會出現一場流感大流行。Avian influenza is transmitted from infected live birds to humans. although human - to - human transmission is inefficient, all influenza viruses have the ability to change genetically, and scientists are concerned that the h5n1 virus could one day be able to spread easily from one person to another. because the virus does not commonly infect humans, there is little or no immune protection against it in the human population. if the h5n1 virus could spread easily from person to person, an influenza pandemic could occur
禽流感可以從活鳥身上感染人類，現時人傳人的效率雖然不大，但所有流感病毒都有出現基因變異的能力，因此科學家都很關注h5n1病毒終有一天會輕易地在人與人之間傳播；而且因為這種病毒感染在人類身上並不常見，人體抵抗這種病毒的免疫力極低，甚至根本沒有免疫力，一旦病毒能夠輕易地在人與人之間傳播，就會出現一場流感大流行。But the mutation found in the turkey viruses is also known to be able to increase the affinity for h5n1 to the 2. 6 receptors, points out sylvie van der werf, head of the laboratory of molecular genetics of respiratory viruses at the pasteur institute in paris, france
然而，巴斯德研究所（位於法國巴黎）呼吸道病毒分子遺傳學實驗室負責人西爾維?凡?德?沃夫指出：土耳其病毒中發現的變異據悉還能提高h5n1對2 . 6受體的親和力。The highest rate of mutation is seen in the part of the virus genome coding for the spike protein, the component of the virus which enables human cell entry. these data suggest that during the early part of the epidemic, the sars - coronavirus was under significant pressure to change in order to become an efficient human virus
這證明來自動物的病毒在感染人類的初期，病毒受到強大的選擇壓力，而須迅速變異，使病毒得以在人類身上適應和生存，令人類受到感染和傳播病毒。Because coronaviruses have the ability to mutate rapidly, scientists will compare the sequences from viruses isolated in cell culture to those obtained from diseased tissues taken from sars patients
由於冠狀病毒有迅速變異的能力，科學家們將把從細胞標本中分離出的病毒的序列，同從分享友人