Virus Entry by Endocytosis

Anthony V. Nicola 1, 2 and Hector C. Aguilar 1, 2 and Jason Mercer 3 and Brent Ryckman 4 and Christopher M. Wiethoff 5 1, Department of Veterinary Microbiology and Pathology, Washington State University, Pullman, WA 99163, USA 2, Paul G. Allen School for Global Animal Health, Washington State University, Pullman, WA 99163, USA 3, Institute of Biochemistry, ETH Zurich, 8093 Zurich, Switzerland 4, Division of Biological Sciences, University of Montana, Missoula, MT 59812, USA 5, Department of Microbiology and Immunology, Loyola University Chicago Stritch School of Medicine, Maywood, IL 60153, USA Received 3 March 2013; Accepted 3 March 2013 This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. In a paper of this special issue, Y. Kubo et al. review the role of endosomal acidification and cathepsin proteases in retroviral entry with an emphasis on murine leukemia viruses (MLVs) and human immunodeficiency virus (HIV).