Abaca bunchy top virus, a new member of the genus Babuvirus (family Nanoviridae)

Sharman, M., Thomas, J.E., Skabo, S. and Holton, T.A. (2008) Abaca bunchy top virus, a new member of the genus Babuvirus (family Nanoviridae). Archives of Virology, 153 1: 135-147.


Author Sharman, M.
Thomas, J.E.
Skabo, S.
Holton, T.A.
Title Abaca bunchy top virus, a new member of the genus Babuvirus (family Nanoviridae)
Journal name Archives of Virology  (ERA 2012 Listed)    (ERA 2010 Rank B)   Check publisher's open access policy
Publication date 2008-01
Sub-type Article
DOI 10.1007/s00705-007-1077-z
Volume number 153
Issue number 1
ISSN 0304-8608
Start page 135
End page 147
Total pages 13
Place of publication Austria
Publisher Springer Wien
Language eng
Abstract Two isolates of a novel babuvirus causing "bunchy top" symptoms were characterised, one from abacá (Musa textilis) from the Philippines and one from banana (Musa sp.) from Sarawak (Malaysia). The name abacá bunchy top virus (ABTV) is proposed. Both isolates have a genome of six circular DNA components, each ca. 1.0-1.1 kb, analogous to those of isolates of Banana bunchy top virus (BBTV). However, unlike BBTV, both ABTV isolates lack an internal ORF in DNA-R, and the ORF in DNA-U3 found in some BBTV isolates is also absent. In all phylogenetic analyses of nanovirid isolates, ABTV and BBTV fall in the same clade, but on separate branches. However, ABTV and BBTV isolates shared only 79-81% amino acid sequence identity for the putative coat protein and 54-76% overall nucleotide sequence identity across all components. Stem-loop and major common regions were present in ABTV, but there was less than 60% identity with the major common region of BBTV. ABTV and BBTV were also shown to be serologically distinct, with only two out of ten BBTV-specific monoclonal antibodies reacting with ABTV. The two ABTV isolates may represent distinct strains of the species as they are less closely related to each other than are isolates of the two geographic subgroups (Asian and South Pacific) of BBTV.
Keyword Linked-immunosorbent-assay
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article
Collection: Institute for Molecular Bioscience - Publications
 
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Created: Thu, 03 Sep 2009, 10:34:08 EST by Mr Andrew Martlew on behalf of Institute for Molecular Bioscience