Rhesus rotavirus trafficking during entry into MA104 cells is restricted to the early endosome compartment.

Marie Wolf, Emily M Deal, Harry B Greenberg

Departments of Medicine and Microbiology and Immunology, Stanford University School of Medicine, Stanford, California, USA.

Journal of virology 2012 Apr

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Endocytosis has recently been implicated in rotavirus (RV) entry. We examined the role of Rabs, which regulate endosomal trafficking, during RV entry. Several structural proteins of neuraminidase-sensitive and -insensitive RVs colocalized with Rab5, an early endosome marker, but not Rab7, a late endosome marker. Dominant-negative and constitutively active mutants demonstrated that Rab5 but not Rab4 or Rab7 affects rhesus RV (RRV) infectivity. These data suggest that early RRV trafficking is confined to the early endosome compartment and requires Rab5.

Citation

Marie Wolf, Emily M Deal, Harry B Greenberg. Rhesus rotavirus trafficking during entry into MA104 cells is restricted to the early endosome compartment. Journal of virology. 2012 Apr;86(7):4009-13