Abstract:
:5' S-isobutyl-adenosine (SIBA), a structural analogue of S-adenosylhomocysteine, reversibly blocks the multiplication of herpes simplex type 1 virus. In the presence of SIBA, viral protein synthesis is inhibited. After removing SIBA the synthesis of proteins starts rapidly again. The new polypeptides are mainly alpha proteins (Honess and Roizman, J. Virol. 14:8-19, 1974,), normally the first to be synthesized after infection. The rapid synthesis of proteins after release of inhibition seems to be directed by mRNA formed in the presence of SIBA as indicated by experiments using actinomycin D but which was undermethylated as shown by analysis of methyl groups on RNA. SIBA inhibits the methylation of mRNA and especially that of the 5' cap. Capping of mRNA thus seems to be essential for efficient translation. The analogue affected various methylations to different extents.
journal_name
J Viroljournal_title
Journal of virologyauthors
Jacquemont B,Huppert Jdoi
10.1128/JVI.22.1.160-167.1977subject
Has Abstractpub_date
1977-04-01 00:00:00pages
160-7issue
1eissn
0022-538Xissn
1098-5514journal_volume
22pub_type
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journal_title:Journal of virology
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pub_type: 杂志文章
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pub_type: 杂志文章
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journal_title:Journal of virology
pub_type: 杂志文章
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更新日期:1979-05-01 00:00:00