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PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
1994-10-3
pubmed:abstractText
The three avian polyomaviruses budgerigar fledgling disease virus types 1 to 3 (BFDV-1 to -3) contain genomes of identical size, 4981 bp. With differences of up to only 15 bp between the three genomes, these viruses show distinct tropism for cultured cells of various avian species: infection of chicken embryo (CE) cells with BFDV-1 and -2 results in virus propagation, whereas BFDV-3 is not replicated; all three viruses replicate, with different efficiencies, in infected Muscovy duck cells. Transfection of CE cells with BFDV-3 DNA results in a single productive cycle. As shown by construction of hybrid virus genomes and site-directed mutagenesis, a single amino acid difference (glycine instead of valine or alanine) within the common region of the minor structural proteins VP2/VP3 is responsible for this type of abortive infection of CE cells. Further experiments indicate a defect in one of the early steps during infection, at or prior to uncoating.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
0022-1317
pubmed:author
pubmed:issnType
Print
pubmed:volume
75 ( Pt 9)
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
2261-9
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1994
pubmed:articleTitle
Host restriction in the productive cycle of avian polyomavirus budgerigar fledgling disease virus type 3 depends on a single amino acid change in the common region of structural proteins VP2/VP3.
pubmed:affiliation
Institut für Virologie, Justus-Liebig-Universität Giessen, Germany.
pubmed:publicationType
Journal Article, Comparative Study, Research Support, Non-U.S. Gov't