Abstract:
:At present there is much interest in the cell tropism and host range of influenza viruses, especially those of the H5N1 subtype. We wished to develop a method that would enable investigation of attachment of infectious virus through the interaction of the hemagglutinin molecule and live mammalian and avian cells and the subsequent infection of these cells. To this end, influenza viruses of various HA subtypes were constructed that either carry the green fluorescent protein (GFP) instead of the neuraminidase protein, or that express GFP in the cytoplasm of infected cells. The HA genes were derived from influenza viruses A/PR/8/34 (H1N1), A/Netherlands/178/95 (H3N2) and A/Vietnam/1194/04 (H5N1). Using these pairs of viruses, attachment and post-attachment events in the virus replication cycle can be distinguished. In general, the expression of NeuAc(alpha2-3)Gal or NeuAc(alpha2-6)Gal receptors on the cells tested corresponded with the attachment of the viruses that were studied with respect to predicted receptor specificity. Virus attachment was not always predictive for efficient infection of the cells.
journal_name
Virus Resjournal_title
Virus researchauthors
Rimmelzwaan GF,Nieuwkoop NJ,de Mutsert G,Boon AC,Kuiken T,Fouchier RA,Osterhaus ADdoi
10.1016/j.virusres.2007.07.007subject
Has Abstractpub_date
2007-11-01 00:00:00pages
175-81issue
2eissn
0168-1702issn
1872-7492pii
S0168-1702(07)00270-5journal_volume
129pub_type
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