Short CommunicationsStructure and Variations of Feline Immunodeficiency Virus Envelope Glycoproteins
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Phylogenetic analysis of feline immunodeficiency virus strains from naturally infected cats in Belgium and The Netherlands
2015, Virus ResearchCitation Excerpt :They originated from geographically distinct parts of Belgium and The Netherlands. Two samples, BEWVkhde and BEHEramo, formed a cluster together with the French isolate Wo (Pancino et al., 1993). All other 32 samples had an identical gag sequence, and clustered together with the San Diego isolate FIV PPR (Phillips et al., 1990).
Isolation and partial characterization of Brazilian samples of feline immunodeficiency virus
2011, Virus ResearchCitation Excerpt :The env gene encodes surface and transmembrane glycoproteins and is highly variable (Olmsted et al., 1989; Talbott et al., 1989; Greene et al., 1993). Within the env gene, nine variable regions have been defined, separated by more conserved regions (Pancino et al., 1993b). On the basis of analyses of env variable regions V3–V5, FIV has been classified into five subtypes (A–E) and recombinant strains (Sodora et al., 1994; Kakinuma et al., 1995; Pecoraro et al., 1996) the number of subtypes may increase as further studies reveal additional diversity.
Molecular mechanisms of FIV infection
2008, Veterinary Immunology and ImmunopathologyConservation of inner domain modules in the surface envelope glycoproteins of an ancient rabbit lentivirus and extant lentiviruses and betaretroviruses
2008, VirologyCitation Excerpt :The model of conservation of the inner domain of lentiviral and betaretroviral SU described here is different from partial or global models of the SU of lentiviruses that were proposed before the HIV-1 gp120 structure was available as a template for model building (Ball et al., 1992; Gallaher et al., 1995; Pancino et al., 1993; Schulz et al., 1992), as previously discussed (Hötzel, 2003; Hötzel and Cheevers, 2000, 2001). In one respect, the model proposed here agrees with previous models: It unifies details of two of these previous models, the amphipathic helices of EIAV and FIV SU (Ball et al., 1992; Pancino et al., 1993), into one conserved structural and functional role that was not previously recognized. The sequence analysis presented here may not describe all the structural similarities between the SU of lentiviruses and even the betaretroviruses.