Molecular characterization of Menangle Virus, a novel Paramyxovirus which infects pigs, fruit bats, and humans

T.R. Bowden, M. Westenberg, L.F. Wang, B.T. Eaton, D.B. Boyle

Research output: Contribution to journalArticleAcademicpeer-review

55 Citations (Scopus)

Abstract

Menangle virus (MenV), isolated in August 1997 following an outbreak of reproductive disease in a piggery in New South Wales, is the second previously unclassified member of the family Paramyxoviridae to be identified in Australia since 1994. Similar to Hendra virus (HeV), MenV appears to be a virus of fruit bats (flying foxes) in the genus Pteropus. No serological cross-reactivity was detected between MenV and other known paramyxoviruses and to facilitate virus classification a cDNA subtraction method was used to obtain viral-specific cDNA from MenV-infected cells. Cloning and sequencing of the products enabled the entire sequences of the NP, P/V, M, F, and HN genes to be determined. Comparison of the nucleotide and deduced amino acid sequences for each gene with members of the family Paramyxoviridae, determination of the P gene mRNA editing strategy, and phylogenetic analyses confirmed that MenV is a new member of the genus Rubulavirus. However the deduced protein sequence of MenV HN exhibited only limited sequence homology when compared with attachment proteins of other paramyxoviruses. Key differences within the amino acid residues considered important determinants of neuraminidase activity suggest MenV HN is unlikely to possess the same degree of neuraminidase activity characteristic of other rubulavirus and respirovirus HN proteins
Original languageEnglish
Pages (from-to)358-373
JournalVirology
Volume283
DOIs
Publication statusPublished - 2001

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