Comparative sequence analyses of the cognate structural protein VP6 genes of five US bluetongue viruses

Hwang Guang-Yuh, Chiou Jwo-Farn, Yang Yi-Yuan, Joseph K K Li

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The S3 segment (the small segment 3), encoding the structural protein, VP6, from the five United States (US) prototype bluetongue virus (BTV) serotypes were amplified by the Clamp-R method and cloned as full-length entities. The complete nucleotide sequence of each cognate gene segment was determined. Each cognate S3 segment of BTV-10, 11, 13 and 17 was 1049 nucleotides long and contained an open reading frame (ORF) capable of encoding a 325-amino acid protein. However, the S3 segment of BTV-2, which also contained 1049 nucleotides, had a longer 5′-non-coding region of 99-nucleotide and contained an ORF capable only of encoding a 301-amino acid protein. Comparative analyses of the predicted amino acid sequences of S3 segments of BTV-2, 10, 11, 13 and 17 revealed that VP6 was unusually high in glycine and contained few aromatic amino acids, but a high concentration of charged amino acids, which is a characteristic of a hydrophilic protein. Phylogenetic analyses indicated that BTV-11, 13 and 17 were more closely related than the other two US BTV serotypes. BTV-2 was the most distantly related.

Original languageEnglish
Pages (from-to)315-323
Number of pages9
JournalVirus Research
Volume24
Issue number3
DOIs
Publication statusPublished - 1992
Externally publishedYes

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Bluetongue virus
Sequence Analysis
Proteins
Nucleotides
Amino Acids
Open Reading Frames
Aromatic Amino Acids
Protein Sequence Analysis
Glycine

Keywords

  • Bluetongue virus
  • Cognate gene
  • Molecular phylogeny
  • Nucleotide sequence

ASJC Scopus subject areas

  • Cancer Research
  • Molecular Biology
  • Virology

Cite this

Comparative sequence analyses of the cognate structural protein VP6 genes of five US bluetongue viruses. / Guang-Yuh, Hwang; Jwo-Farn, Chiou; Yi-Yuan, Yang; Li, Joseph K K.

In: Virus Research, Vol. 24, No. 3, 1992, p. 315-323.

Research output: Contribution to journalArticle

Guang-Yuh, Hwang ; Jwo-Farn, Chiou ; Yi-Yuan, Yang ; Li, Joseph K K. / Comparative sequence analyses of the cognate structural protein VP6 genes of five US bluetongue viruses. In: Virus Research. 1992 ; Vol. 24, No. 3. pp. 315-323.
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