Kinetics of utilization of Sendai virus RNA and protein in the process of virion assembly.
The synthesis of the 50S genomic RNA and strucural proteins of Sendai virus was examined with respect to their utilization in virus assembly. It was found that during a single cycle of infection, 50S RNA was synthesized before the structural proteins and that both RNA and protein were synthesized 2 to 4 h before their appearance in released virions. Pulse-chase labeling indicated that the NP and P proteins synthesized early and the M and F proteins synthesized late were preferentially incorporated into virus relative to the other viral proteins. The kinetics of incorporation of pulse-labeled NP protein suggested that it was withdrawn from a relatively large pool whereas the M protein appeared to be present in a relatively small pool in the cytoplasm. Further, it was possible to chase pulse-labeled M protein, but not NP protein, from the cell during an 8-h time period.[1]References
- Kinetics of utilization of Sendai virus RNA and protein in the process of virion assembly. Famulari, N.G., Fleissner, E. J. Virol. (1976) [Pubmed]
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