Characterisation of Rep-encoding components associated with banana bunchy top nanovirus in Vietnam

We have analysed the sequence variability of the banana bunchy top nanovirus (BBTV) DNA-1 sequence from 17 isolates collected throughout Vietnam, and showed that the level of DNA-1 sequence variation within Vietnam was approximately double that previously reported for Asian BBTV isolates. Furthermor...

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Bibliographic Details
Published in:Archives of virology 2002-04, Vol.147 (4), p.695-707
Main Authors: BELL, K. E, DALE, J. L, HA, C. V, VU, M. T, REVILL, P. A
Format: Article
Language:English
Subjects:
Amino Acid Sequence
Bacteriology
Base Sequence
Biological and medical sciences
Cloning, Molecular
DNA Helicases - classification
DNA Helicases - genetics
DNA, Single-Stranded - chemistry
DNA, Single-Stranded - genetics
DNA, Viral - chemistry
DNA-Binding Proteins
Fundamental and applied biological sciences. Psychology
Genes. Genome
Genetic Variation
Genetics
Microbiology
Molecular and cellular biology
Molecular genetics
Molecular Sequence Data
Musa - virology
Nanovirus - chemistry
Nanovirus - classification
Nanovirus - genetics
Phylogeny
Trans-Activators - classification
Trans-Activators - genetics
Vietnam
Viral Proteins - classification
Viral Proteins - genetics
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Summary:We have analysed the sequence variability of the banana bunchy top nanovirus (BBTV) DNA-1 sequence from 17 isolates collected throughout Vietnam, and showed that the level of DNA-1 sequence variation within Vietnam was approximately double that previously reported for Asian BBTV isolates. Furthermore, the sequences separated into two geographical subgroups that generally correlated to the northern or southern regions of Vietnam. We have also characterised an additional putative Rep-encoding component associated with some BBTV isolates from Vietnam. This component, which we have named BBTV-S3, shared 47%, 69%, 56% and 65% nucleotide sequence identity with the previously reported Rep-encoding components BBTV DNA-1, S1, S2 and Y1 respectively.
ISSN:0304-8608
1432-8798
DOI:10.1007/s007050200019