Rubella virus capsid protein: a small protein with big functions.
Virus replication occurs in the midst of a life or death struggle between the virus and the infected host cell. To limit virus replication, host cells can activate a number of antiviral pathways, the most drastic of which is programmed cell death. Whereas large DNA viruses have the luxury of encoding accessory proteins whose main function is to interfere with host cell defences, the genomes of RNA viruses are not large enough to encode proteins of this type. Recent studies have revealed that proteins encoded by RNA viruses often play multiple roles in the battles between viruses and host cells. In this article, we discuss the many functions of the rubella virus capsid protein. This protein has well-defined roles in virus assembly, but recent research suggests that it also functions to modulate virus replication and block host cell defences.
Ilkow
Carolina S
CS
Department of Cell Biology, University of Alberta, Edmonton, AB, T6G 2H7, Canada. cilkow@ualberta.ca
Willows
Steven D
SD
Hobman
Tom C
TC
D036022:Capsid Proteins / Q000502:physiology*; D012412:Rubella virus / Q000254:growth & development / Q000472:pathogenicity / Q000502:physiology*; D014774:Virulence; D037521:Virulence Factors; D019065:Virus Assembly; D014779:Virus Replication
D036022:Capsid Proteins; D037521:Virulence Factors