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Journal of Virology, January 2001, p. 921-933, Vol. 75, No. 2
0022-538X/01/$04.00+0 DOI: 10.1128/JVI.75.2.921-933.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
Analysis of the Noncoding Regions of Measles Virus
Strains in the Edmonston Vaccine Lineage
Christopher L.
Parks,
Robert
A.
Lerch,
Pramila
Walpita,
Hai-Ping
Wang,
Mohinder S.
Sidhu, and
Stephen A.
Udem*
Department of Viral Vaccine Research,
Wyeth-Lederle Vaccines, Pearl River, New York 10965
Received 10 April 2000/Accepted 16 October 2000
The noncoding sequence of five Edmonston vaccine viruses (AIK-C,
Moraten, Rubeovax, Schwarz, and Zagreb) and those of a low-passage Edmonston wild-type (wt) measles virus have been determined and compared. Twenty-one nucleotide positions were identified at which Edmonston wt and one or more vaccine strains differed. The location of
some of these nucleotide substitutions suggests that they may influence
the efficiency of mRNA synthesis, processing, and translation, as well
as genome replication and encapsidation. Five nucleotide substitutions
were conserved in all of the vaccine strains. Two of these were in the
genomic 3'-terminal transcriptional control region and could affect RNA
synthesis or encapsidation. Three were found within the 5'-untranslated
region of the F mRNA, potentially altering translation control
sequences. The remaining vaccine virus base changes were found in one
to four vaccine strains. Their genomic localization suggests that some
may modify cis-acting regulatory domains, including the
Kozak consensus element of the P and M genes, the F gene-end signal,
and the F mRNA 5'-untranslated sequence.
*
Corresponding author. Mailing address: Department of
Viral Vaccine Research, Wyeth-Lederle Vaccines, 401 North Middletown Rd., Pearl River, NY 10965-1299. Phone: (845) 732-5450. Fax: (845) 732-5727. E-mail: udems{at}war.wyeth.com.
Journal of Virology, January 2001, p. 921-933, Vol. 75, No. 2
0022-538X/01/$04.00+0 DOI: 10.1128/JVI.75.2.921-933.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
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