TY - GEN AU - Chazal,N AU - Singer,G AU - Aiken,C AU - Hammarskjöld,M L AU - Rekosh,D TI - Human immunodeficiency virus type 1 particles pseudotyped with envelope proteins that fuse at low pH no longer require Nef for optimal infectivity SN - 0022-538X PY - 2001///0412 KW - Animals KW - Anti-Bacterial Agents KW - pharmacology KW - Antibodies, Viral KW - immunology KW - Cell Line KW - Gene Deletion KW - Gene Products, nef KW - genetics KW - HIV Envelope Protein gp120 KW - HIV-1 KW - HeLa Cells KW - Humans KW - Hydrogen-Ion Concentration KW - Immune Sera KW - Macrolides KW - Membrane Fusion KW - Membrane Glycoproteins KW - Molecular Sequence Data KW - Neutralization Tests KW - Receptors, HIV KW - Viral Envelope Proteins KW - nef Gene Products, Human Immunodeficiency Virus N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1128/JVI.75.8.4014-4018.2001 ER -