Gene order of translation of the flavivirus Kunjin: Further evidence of internal initiation in vivo

Westaway, E. G., Speight, G. and Endo, L. (1984) Gene order of translation of the flavivirus Kunjin: Further evidence of internal initiation in vivo. Virus Research, 1 4: 333-350. doi:10.1016/0168-1702(84)90022-4


Author Westaway, E. G.
Speight, G.
Endo, L.
Title Gene order of translation of the flavivirus Kunjin: Further evidence of internal initiation in vivo
Journal name Virus Research   Check publisher's open access policy
ISSN 0168-1702
Publication date 1984-01-01
Sub-type Article (original research)
DOI 10.1016/0168-1702(84)90022-4
Open Access Status Not Open Access
Volume 1
Issue 4
Start page 333
End page 350
Total pages 18
Place of publication Amsterdam, Netherlands
Publisher Elsevier
Language eng
Formatted abstract
The rates of inactivation of synthesis of individual virus-specified proteins by ultraviolet radiation provided an estimate of the target sizes of individual viral genes. In a control experiment with Semliki Forest virus, the genes for the structural proteins mapped in the known sequence 5' C-PE2-E1 3', and in accordance with initiation of translation from a single site on 26-S mRNA. Under the same conditions, the inactivation of synthesis of seven Kunjin virus-specified proteins also followed first-order kinetics, but the largest target size was equivalent to only about half the length of the genome. No gene sequence could be deduced using the premise that translation was initiated at a single site. However, genes for the major non-structural proteins could be mapped in the order 5' P98-P71-P10 3' from a postulated ribosomal attachment site about midway along the RNA. The genes for the structural proteins C and E could then be mapped in a preceding sequence 5'…C-E-GP19-P21 3', with a vacant upstream region sufficient to code for at least one of two flavivirus genes not expressed in these experiments. The implications of the two postulated translational units are discussed in relation to previous data on translation strategy of flaviviruses.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: UQ Diamantina Institute Publications
 
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Created: Wed, 09 Mar 2011, 18:48:54 EST