Fuller, C. M., Collins, M. S., Easton, A. J. (Andrew J.) and Alexander, D. J.. (2007) Partial characterisation of five cloned viruses differing in pathogenicity, obtained from a single isolate of pigeon paramyxovirus type 1 (PPMV-1) following passage in fowls' eggs. Archives of Virology, Vol.152 (No.8). pp. 1575-1582. ISSN 0304-8608

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Abstract

Viruses with intracerebral pathogenicity indices (ICPIs) of 0.025, 0.55, 1.013 and 1.3. were cloned from a PPMV-1 isolate with an ICPI of 0.32 by passage in embryonated fowls' eggs. Deduced amino acid sequences of the haemagglutinin-neuraminidase (HN) and precursor fusion proteins (F0) showed them to have only a single amino acid difference: those with an ICPI value < 0.7 had proline at amino acid position 453 of the F0 protein, and those with an ICPI value > 0.7 contained a serine. The virus with an ICPI of 0.025 was further passaged, and the ICPI of non-cloned virus increased to 0.76/0.79, which was then reduced to 0.49 on cloning. The proline at residue 453 was retained, but there were two nucleotide changes in the virus of ICPI 0.49, T -> C at position 1769 in the untranslated region of the fusion gene and G -> A at position 437 of the HN gene, resulting in the amino acid change G -> R at position 116 in the HN protein.

Item Type:	Journal Article
Subjects:	Q Science > QR Microbiology > QR355 Virology
Divisions:	Faculty of Science > Life Sciences (2010- ) > Biological Sciences ( -2010)
Journal or Publication Title:	Archives of Virology
Publisher:	Springer Wien
ISSN:	0304-8608
Date:	August 2007
Volume:	Vol.152
Number:	No.8
Number of Pages:	8
Page Range:	pp. 1575-1582
Identification Number:	10.1007/s00705-007-0963-8
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
URI:	http://wrap.warwick.ac.uk/id/eprint/31534

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