A single-amino-acid substitution in the TvbS1 receptor results in decreased susceptibility to infection by avian sarcoma and leukosis virus subgroups B and D and resistance to infection by subgroup E in vitro and in vivo

Markéta Reinišová, Filip Šenigl, Xueqian Yin, Jiří Plachý, Josef Geryk, Daniel Elleder, Jan Svoboda, Mark J Federspiel, Jiří Hejnar

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

The avian sarcoma and leukosis virus (ASLV) family of retroviruses contains five nighty related envelope subgroups (A to E) thought to have evofved from a common viral ancestor in the chicken population. Three genetic foci in chickens determine the susceptibility or resistance of cells to infection by the subgroup A to E ASLVs. Some inbred lines of chickens display phenotypes that are somewhere in between either efficiently susceptible or resistant to infection by specific subgroups of ASLV. The tvb gene encodes the receptor for subgroups B, D, and E ASLVs. The wild-type TvbS1 receptor confers susceptibility to subgroups B, D, and E ASLVs. In this study, the genetic defect that accounts for the altered susceptibility of an inbred chicken line, line M, to infection by ASLV(B), ASLV(D), and ASLV(E) was identified. The tvb gene in fine M, tvbr2, encodes a mutant TvbS1 receptor protein with a substitution of a serine for a cysteine at position 125 (C125S). Here, we show that the C125S substitution in TvbS1 significantiy reduces the susceptibility of line M cells to infection by ASLV(B) and ASLV(D) and virtually eliminates susceptibility to ASLV(E) infection both in cultured cells and in the incidence and growth of avian sarcoma virus-induced sarcomas in chickens. The C125S substitution significantiy reduces the binding affinity of the TvbS1 receptor for the subgroup B, D, and E ASLV envelope glycoproteins. These are the first results that demonstrate a possible role of the cysteine-rich domain 3 in the function of the Tvb receptors.

Original languageEnglish (US)
Pages (from-to)2097-2105
Number of pages9
JournalJournal of Virology
Volume82
Issue number5
DOIs
StatePublished - Mar 2008

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Alpharetrovirus
Rous sarcoma virus
Avian leukosis virus
amino acid substitution
Amino Acid Substitution
receptors
Chickens
Infection
infection
Avian Sarcoma Viruses
chickens
Cysteine
Avian Leukosis Virus
cysteine
Retroviridae
In Vitro Techniques
Virus Diseases
Sarcoma
Serine
Genes

ASJC Scopus subject areas

  • Immunology

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A single-amino-acid substitution in the TvbS1 receptor results in decreased susceptibility to infection by avian sarcoma and leukosis virus subgroups B and D and resistance to infection by subgroup E in vitro and in vivo. / Reinišová, Markéta; Šenigl, Filip; Yin, Xueqian; Plachý, Jiří; Geryk, Josef; Elleder, Daniel; Svoboda, Jan; Federspiel, Mark J; Hejnar, Jiří.

In: Journal of Virology, Vol. 82, No. 5, 03.2008, p. 2097-2105.

Research output: Contribution to journalArticle

Reinišová, Markéta ; Šenigl, Filip ; Yin, Xueqian ; Plachý, Jiří ; Geryk, Josef ; Elleder, Daniel ; Svoboda, Jan ; Federspiel, Mark J ; Hejnar, Jiří. / A single-amino-acid substitution in the TvbS1 receptor results in decreased susceptibility to infection by avian sarcoma and leukosis virus subgroups B and D and resistance to infection by subgroup E in vitro and in vivo. In: Journal of Virology. 2008 ; Vol. 82, No. 5. pp. 2097-2105.
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AU - Šenigl, Filip

AU - Yin, Xueqian

AU - Plachý, Jiří

AU - Geryk, Josef

AU - Elleder, Daniel

AU - Svoboda, Jan

AU - Federspiel, Mark J

AU - Hejnar, Jiří

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