Jianbo Chen - Viral Recombination Section David Grunwald - RNA Therapeutics Institute and Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA 01605; Luca Sardo - Viral Recombination Section and Andrea Galli - Viral Recombination Section and Sergey Plisov - Viral Recombination Section and Olga A. Nikolaitchik - Viral Recombination Section De Chen - Optical Microscopy and Analysis Laboratory, Leidos Biomedical Research, Inc., Frederick National Laboratory for Cancer Research, Frederick, MD 21702; Stephen Lockett - Optical Microscopy and Analysis Laboratory, Leidos Biomedical Research, Inc., Frederick National Laboratory for Cancer Research, Frederick, MD 21702; Daniel R. Larson - Laboratory of Receptor Biology and Gene Expression, National Cancer Institute, Bethesda, MD 20892 Vinay K. Pathak - Viral Mutation Section, HIV Drug Resistance Program, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702; Wei-Shau Hu - Viral Recombination Section. National Academy of Sciences. Cytoplasmic HIV-1 RNA is mainly transported by diffusion in the presence or absence of Gag protein. 2014; vol. 111 n(PNAS):E5205-E5213.