20S RNA是裸露的吗？

Widner W R, Matsumoto Y, Wickner R B

Section on Genetics of Simple Eukaryotes, National Institute of Diabetes, Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892.

Mol Cell Biol. 1991 May;11(5):2905-8. doi: 10.1128/mcb.11.5.2905-2908.1991.

The 20S RNA of Saccharomyces cerevisiae is a single-stranded, circular RNA virus. A previous study suggested that this RNA is part of a 32S ribonucleoprotein particle, being associated with multiple copies of a 23-kilodalton protein. We show here that this protein is, in fact, the chromosome-encoded heat shock protein Hsp26. Furthermore, it is apparently not associated with 20S RNA and plays no obvious role in the life cycle of the virus.

酿酒酵母的20S RNA是一种单链环状RNA病毒。先前的一项研究表明，这种RNA是32S核糖核蛋白颗粒的一部分，与一种23千道尔顿蛋白质的多个拷贝相关联。我们在此表明，这种蛋白质实际上是染色体编码的热休克蛋白Hsp26。此外，它显然不与20S RNA相关联，并且在病毒的生命周期中不发挥明显作用。