Growth and stability of a cholesterol-independent Semliki Forest virus mutant in mosquitoes.

@article{Ahn1999GrowthAS,
  title={Growth and stability of a cholesterol-independent Semliki Forest virus mutant in mosquitoes.},
  author={Anna Ahn and Randal J. Schoepp and David Sternberg and Margaret Kielian},
  journal={Virology},
  year={1999},
  volume={262 2},
  pages={452-6}
}
Semliki Forest virus (SFV) is an enveloped alphavirus that is transmitted in the wild by mosquito vectors. In tissue culture cells, SFV requires cholesterol in the cell membrane both for virus membrane fusion and for the efficient exit of progeny virus from the cell. A previously isolated SFV mutant, srf-3, is strikingly less cholesterol-dependent for virus fusion, exit, and growth due to a single amino acid change in the E1 spike protein subunit, proline 226 to serine. Here we show that when… CONTINUE READING

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