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Avian leukosis virus (ALV) requires endocytosis and a low pH step for successful viral entry. Here we report that transient treatment with lysosomotropic agents was not sufficient to block ALV subgroup B (ALV-B) entry, while it completely inhibited uptake of the pH-dependent Semliki Forest virus. Extended incubations with lysosomotropic agents were required to block ALV-B entry, suggesting that ALV...
A sequence similarity search of the Drosophila nucleotide database using vertebrate amphiphysin as a query identified a cDNA that encodes a Drosophila amphiphysin. The predicted protein has conserved sequence domains that should enable it to dimerise and bind to dynamin. Structural modelling suggests that the Src-homology-3 (SH3) domains of vertebrate and Drosophila amphiphysins are highly similar,...
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