virus spike 中文意思是什麼
virus spike
解釋
病毒刺突-
In this paper, a field strain of infectious bronchitis virus was isolated from proventriculus tissue, morphological observation by electron - microscope and the biological characterizations of the virus were studied, pairs of specific primers are designed and synthesized in correspondence with them, according to the published sequences of infectious bronchitis virus three structural protein ( spike protein s membrane protein m nucleocapsid protein n ) genes, the cdna of si gene, s2 gene, m gene. n gene of ib v isolate lx4 were amplified by rt - pcr and full sequences were first reported
在此基礎上，根據國內外已發表的ibv基因序列，分別設計特異性引物，應用不同引物進行反轉錄合成cdna ，分片段對ibv的主要結構基因進行pcr擴增，並分別將各個目的片段克隆到puc19載體上，在大腸桿菌dh5中實現目的基因的分子克隆，經藍白斑篩選、限制性內切酶分析、 pcr鑒定，篩選出重組陽性質粒，並對各個目的基因片段進行序列測定，從而獲得ibv主要結構基因全序列。 -
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。 -
The virus could multifly on the mdck cells. and induce regular cytopathic effect ( cpe ). observed by negative staining electron microscope, the virus could be seen with coroniform spike. in the ultrathin sections, the viruses were found to multiply and induce inclusion body forming in the cytoplasm
本研究從某動物園兩只死亡大熊貓的肝、脾等臟器分離病毒，經mdck細胞適應培養，獲得一株病毒（命名為dxmv ） ，在該細胞上可形成有規律的病變。
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