An attenuating mutation in the 2A protease of swine vesicular disease virus, a picornavirus, regulates cap- and internal ribosome entry site-dependent protein synthesis

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An attenuating mutation in the 2A protease of swine vesicular disease virus, a picornavirus, regulates cap- and internal ribosome entry site-dependent protein synthesis. / Sakoda, Y.; Ross-Smith, N.; Inoue, T.; Belsham, G. J.

In: Journal of Virology, Vol. 75, No. 22, 2001, p. 10643-10650.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Sakoda, Y, Ross-Smith, N, Inoue, T & Belsham, GJ 2001, 'An attenuating mutation in the 2A protease of swine vesicular disease virus, a picornavirus, regulates cap- and internal ribosome entry site-dependent protein synthesis', Journal of Virology, vol. 75, no. 22, pp. 10643-10650. https://doi.org/10.1128/JVI.75.22.10643-10650.2001

APA

Sakoda, Y., Ross-Smith, N., Inoue, T., & Belsham, G. J. (2001). An attenuating mutation in the 2A protease of swine vesicular disease virus, a picornavirus, regulates cap- and internal ribosome entry site-dependent protein synthesis. Journal of Virology, 75(22), 10643-10650. https://doi.org/10.1128/JVI.75.22.10643-10650.2001

Vancouver

Sakoda Y, Ross-Smith N, Inoue T, Belsham GJ. An attenuating mutation in the 2A protease of swine vesicular disease virus, a picornavirus, regulates cap- and internal ribosome entry site-dependent protein synthesis. Journal of Virology. 2001;75(22):10643-10650. https://doi.org/10.1128/JVI.75.22.10643-10650.2001

Author

Sakoda, Y. ; Ross-Smith, N. ; Inoue, T. ; Belsham, G. J. / An attenuating mutation in the 2A protease of swine vesicular disease virus, a picornavirus, regulates cap- and internal ribosome entry site-dependent protein synthesis. In: Journal of Virology. 2001 ; Vol. 75, No. 22. pp. 10643-10650.

Bibtex

@article{60cdd8e8ddb247268b418b1e7492ca0a,
title = "An attenuating mutation in the 2A protease of swine vesicular disease virus, a picornavirus, regulates cap- and internal ribosome entry site-dependent protein synthesis",
abstract = "Virulent and avirulent strains of swine vesicular disease virus (SVDV), a picornavirus, have been characterized previously. The major determinants for attenuation have been mapped to specific residues in the 1D-2A-coding region. The properties of the 2A proteases from the virulent and avirulent strains of SVDV have now been examined. Both proteases efficiently cleaved the 1D/2A junction in vitro and in vivo. However, the 2A protease of the avirulent strain of SVDV was much less effective than the virulent-virus 2A protease at inducing cleavage of translation initiation factor eIF4GI within transfected cells. Hence the virulent-virus 2A protease is much more effective at inhibiting cap-dependent protein synthesis. Furthermore, the virulent-virus 2A protease strongly stimulated the internal ribosome entry sites (IRESs) from coxsackievirus B4 and from SVDV, while the avirulent-virus 2A protease was significantly less active in these assays. Thus, the different properties of the 2A proteases from the virulent and avirulent strains of SVDV in regulating protein synthesis initiation reflect the distinct pathogenic properties of the viruses from which they are derived. A single amino acid substitution, adjacent to His21 of the catalytic triad, is sufficient to confer the characteristics of the virulent-strain 2A protease on the avirulent-strain protease. It is concluded that the efficiency of picornavirus protein synthesis, controlled directly by the IRES or indirectly by the 2A protease, can determine virus virulence.",
author = "Y. Sakoda and N. Ross-Smith and T. Inoue and Belsham, {G. J.}",
year = "2001",
doi = "10.1128/JVI.75.22.10643-10650.2001",
language = "English",
volume = "75",
pages = "10643--10650",
journal = "Journal of Virology",
issn = "0022-538X",
publisher = "American Society for Microbiology",
number = "22",

}

RIS

TY - JOUR

T1 - An attenuating mutation in the 2A protease of swine vesicular disease virus, a picornavirus, regulates cap- and internal ribosome entry site-dependent protein synthesis

AU - Sakoda, Y.

AU - Ross-Smith, N.

AU - Inoue, T.

AU - Belsham, G. J.

PY - 2001

Y1 - 2001

N2 - Virulent and avirulent strains of swine vesicular disease virus (SVDV), a picornavirus, have been characterized previously. The major determinants for attenuation have been mapped to specific residues in the 1D-2A-coding region. The properties of the 2A proteases from the virulent and avirulent strains of SVDV have now been examined. Both proteases efficiently cleaved the 1D/2A junction in vitro and in vivo. However, the 2A protease of the avirulent strain of SVDV was much less effective than the virulent-virus 2A protease at inducing cleavage of translation initiation factor eIF4GI within transfected cells. Hence the virulent-virus 2A protease is much more effective at inhibiting cap-dependent protein synthesis. Furthermore, the virulent-virus 2A protease strongly stimulated the internal ribosome entry sites (IRESs) from coxsackievirus B4 and from SVDV, while the avirulent-virus 2A protease was significantly less active in these assays. Thus, the different properties of the 2A proteases from the virulent and avirulent strains of SVDV in regulating protein synthesis initiation reflect the distinct pathogenic properties of the viruses from which they are derived. A single amino acid substitution, adjacent to His21 of the catalytic triad, is sufficient to confer the characteristics of the virulent-strain 2A protease on the avirulent-strain protease. It is concluded that the efficiency of picornavirus protein synthesis, controlled directly by the IRES or indirectly by the 2A protease, can determine virus virulence.

AB - Virulent and avirulent strains of swine vesicular disease virus (SVDV), a picornavirus, have been characterized previously. The major determinants for attenuation have been mapped to specific residues in the 1D-2A-coding region. The properties of the 2A proteases from the virulent and avirulent strains of SVDV have now been examined. Both proteases efficiently cleaved the 1D/2A junction in vitro and in vivo. However, the 2A protease of the avirulent strain of SVDV was much less effective than the virulent-virus 2A protease at inducing cleavage of translation initiation factor eIF4GI within transfected cells. Hence the virulent-virus 2A protease is much more effective at inhibiting cap-dependent protein synthesis. Furthermore, the virulent-virus 2A protease strongly stimulated the internal ribosome entry sites (IRESs) from coxsackievirus B4 and from SVDV, while the avirulent-virus 2A protease was significantly less active in these assays. Thus, the different properties of the 2A proteases from the virulent and avirulent strains of SVDV in regulating protein synthesis initiation reflect the distinct pathogenic properties of the viruses from which they are derived. A single amino acid substitution, adjacent to His21 of the catalytic triad, is sufficient to confer the characteristics of the virulent-strain 2A protease on the avirulent-strain protease. It is concluded that the efficiency of picornavirus protein synthesis, controlled directly by the IRES or indirectly by the 2A protease, can determine virus virulence.

UR - http://www.scopus.com/inward/record.url?scp=0034761222&partnerID=8YFLogxK

U2 - 10.1128/JVI.75.22.10643-10650.2001

DO - 10.1128/JVI.75.22.10643-10650.2001

M3 - Journal article

C2 - 11602706

AN - SCOPUS:0034761222

VL - 75

SP - 10643

EP - 10650

JO - Journal of Virology

JF - Journal of Virology

SN - 0022-538X

IS - 22

ER -

ID: 379026964