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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Stoeckle, M. Y. Shaw, M. W. Choppin, P. W. |
| Abstract | The nucleotide sequences of the 3' noncoding regions of all eight segments of influenza B virus RNA and the sequences of the 5' noncoding regions of segments 4-8 were determined in virus strains isolated over a period of 40 years. Nearly complete conservation of the noncoding sequences was found. Nine nucleotides at the 3' termini and 11 nucleotides at the 5' termini were common to all segments examined. In the region immediately adjacent to the common 3' terminal region, the nucleotides were specific for each segment and these segment-specific sequences were conserved in all strains examined. In each of the five segments in which both termini were examined, the segment-specific 3' sequences exhibited perfect inverted complementarity to a segment-specific sequence adjacent to the common 5' terminus. In addition, in the 3' noncoding region of RNA segments 1-3, which encode proteins involved in RNA synthesis, a single nucleotide substitution at position 10 was found that distinguishes these segments from segments 4-8. Comparison of these data with published reports has revealed that some of the features found in the noncoding regions of influenza B virus are also present in influenza A and C virus RNAs. In the RNAs of all three virus types, there is a segment-specific sequence of nucleotides near the 3' terminus that shows inverted complementarity to a sequence near the 5' terminus. This segment-specific sequence may play a role in the transcription of individual segments or in sorting of segments during virion assembly. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 9 |
| Volume Number | 84 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1987-06-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Genes, Viral Influenza B Virus Genetics RNA, Viral Animals Chick Embryo DNA Orthomyxoviridae Species Specificity Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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