Rotavirus Cell Entry

  • Matthew Baker
  • B. V. Venkataram PrasadEmail author
Part of the Current Topics in Microbiology and Immunology book series (CT MICROBIOLOGY, volume 343)


Infecting nearly every child by age five, rotaviruses are the major causative agents of severe gastroenteritis in young children. While much is known about the structure of these nonenveloped viruses and their components, the exact mechanism of viral cell entry is still poorly understood. A consensus opinion that appears to be emerging from recent studies is that rotavirus cell entry involves a series of complex and coordinated events following proteolytic priming of the virus. Rotaviruses attach to the cell through sialic acid containing receptors, with integrins and Hsc70 acting as postattachment receptors, all localized on lipid rafts. Unlike other endocytotic mechanisms, this internalization pathway appears to be independent of clathrin or caveola. Equally complex and coordinated is the fascinating structural gymnastics of the VP4 spikes that are implicated in facilitating optimal interface between viral and host components. While these studies only begin to capture the basic cellular, molecular, and structural mechanisms of cell entry, the unusual features they have uncovered and many intriguing questions they have raised undoubtedly will prompt further investigations.


Sialic Acid Cell Entry Rice Dwarf Virus dsRNA Segment Sialic Acid Binding 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



We acknowledge the support from NIH grants AI36040 and RR002250, National Science Foundation IIS-0705474, and Robert Welch foundation (Q 1279). We thank Mary Estes and Sue Crawford for useful discussions and critical reading of the manuscript.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  1. 1.National Center for Macromolecular ImagingBaylor College of MedicineHoustonUSA
  2. 2.Verna and Marrs Mclean Department of Biochemistry and Molecular BiologyBaylor College of MedicineHoustonUSA
  3. 3.Department of Molecular Virology and MicrobiologyBaylor College of MedicineHoustonUSA

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