Sindbis virus. I. Gene order of translation in vivo.
Sindbis virus. I. Gene order of translation in vivo.
复制标题
辛德比斯病毒。
DOI:
10.1016/0042-6822(80)90311-6
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发表时间:
1980
期刊:
影响因子:
3.7
通讯作者:
Marcus,PI
中科院分区:
文献类型:
--
作者:
Fuller,FJ;Marcus,PI
Ultraviolet (uv) radiation was used to map the order of translationin vivoof Sindbis virus genes and assign nonstructural proteins to specific RNA−complementation groups. The inactivation of synthesis of individual Sindbis virus proteins in the irradiated cell displayed single-hit kinetics. The target sizes for each protein (gene), relative to infectivity, are consistent with a model in which (i) each molecule of 42 S and 26 S polycistronic mRNA initiates protein synthesis at a single site, (ii) translation does not progress beyond a uvlesion (uracil dimer), and (iii) some critical amount of translation beyond the actual cleavage site may be required to achieve cleavage. A gene order for translation of Sindbis virus proteins, respectively, as: 5′ ns66ns86-ns75 3′in vivowas deduced for nonstructural and structural proteins, respectively, as: 5′ nss-66-ns86-ns75 and5′ capsid-E2-E1 3′. Sindbis virus RNA−genetic complementation groups were assigned to nonstructural proteins as follows: 5′ ns66(G)-ns86(A)-ns75(B/F) 3′.