Nucleotide sequence variation of the envelope protein gene identifies two distinct genotypes of yellow fever virus

G. J J Chang, B. C. Cropp, R. M. Kinney, D. W. Trent, D. J. Gubler

Research output: Contribution to journalArticle

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Abstract

The evolution of yellow fever virus over 67 years was investigated by comparing the nucleotide sequences of the envelope (E) protein genes of 20 viruses isolated in Africa, the Caribbean, and South America. Uniformly weighted parsimony algorithm analysis defined two major evolutionary yellow fever virus lineages designated E genotypes I and II. E genotype I contained viruses isolated from East and Central Africa. E genotype II viruses were divided into two sublineages: IIA viruses from West Africa and IIB viruses from America, except for a 1979 virus isolated from Trinidad (TRINID79A). Unique signature patterns were identified at 111 nucleotide and 12 amino acid positions within the yellow fever virus E gene by signature pattern analysis. Yellow fever viruses from East and Central Africa contained unique signatures at 60 nucleotide and five amino acid positions, those from West Africa contained unique signatures at 25 nucleotide and two amino acid positions, and viruses from America contained such signatures at 30 nucleotide and five amino acid positions in the E gene. The dissemination of yellow fever viruses from Africa to the Americas is supported by the close genetic relatedness of genotype IIA and IIB viruses and genetic evidence of a possible second introduction of yellow fever virus from West Africa, as illustrated by the TRINID79A virus isolate. The E protein genes of American IIB yellow fever viruses had higher frequencies of amino acid substitutions than did genes of yellow fever viruses of genotypes I and IIA on the basis of comparisons with a consensus amino acid sequence for the yellow fever E gene. The great variation in the E proteins of American yellow fever virus probably results from positive selection imposed by virus interaction with different species of mosquitoes or nonhuman primates in the Americas.

Original languageEnglish (US)
Pages (from-to)5773-5780
Number of pages8
JournalJournal of Virology
Volume69
Issue number9
StatePublished - 1995

Fingerprint

Yellow fever virus
Genotype
Viruses
nucleotide sequences
viruses
genotype
Proteins
genes
proteins
Western Africa
Nucleotides
nucleotides
Central Africa
Amino Acids
Eastern Africa
amino acids
Genes
sequence diversity
Trinidad and Tobago
Yellow Fever

ASJC Scopus subject areas

  • Immunology

Cite this

Chang, G. J. J., Cropp, B. C., Kinney, R. M., Trent, D. W., & Gubler, D. J. (1995). Nucleotide sequence variation of the envelope protein gene identifies two distinct genotypes of yellow fever virus. Journal of Virology, 69(9), 5773-5780.

Nucleotide sequence variation of the envelope protein gene identifies two distinct genotypes of yellow fever virus. / Chang, G. J J; Cropp, B. C.; Kinney, R. M.; Trent, D. W.; Gubler, D. J.

In: Journal of Virology, Vol. 69, No. 9, 1995, p. 5773-5780.

Research output: Contribution to journalArticle

Chang, GJJ, Cropp, BC, Kinney, RM, Trent, DW & Gubler, DJ 1995, 'Nucleotide sequence variation of the envelope protein gene identifies two distinct genotypes of yellow fever virus', Journal of Virology, vol. 69, no. 9, pp. 5773-5780.
Chang, G. J J ; Cropp, B. C. ; Kinney, R. M. ; Trent, D. W. ; Gubler, D. J. / Nucleotide sequence variation of the envelope protein gene identifies two distinct genotypes of yellow fever virus. In: Journal of Virology. 1995 ; Vol. 69, No. 9. pp. 5773-5780.
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