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August 1, 1994Journal of BacteriologyOpen Access

Halobacterial S9 operon contains two genes encoding proteins homologous to subunits shared by eukaryotic RNA polymerases I, II, and III

Keith McKune Nancy A. Woychik

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Abstract

One key component of the eukaryotic transcriptional apparatus is the multisubunit enzyme RNA polymerase II. We have discovered that two of the subunits shared by the three nuclear RNA polymerases in the yeast Saccharomyces cerevisiae, RPB6 and RPB10, have counterparts among the Archaea.

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McKune et al. (1994) studied this question.

synapsesocial.com/papers/6a96ba6bdc0901934ff69a2d https://doi.org/10.1128/jb.176.15.4754-4756.1994

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Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

1Characterization of a 7-kilodalton subunit of vaccinia virus DNA-dependent RNA polymerase with structural similarities to the smallest subunit of eukaryotic RNA polymerase IIOriginal Research · 1992 · 46 citations
2Two additional common subunits, ABC10 alpha and ABC10 beta, are shared by yeast RNA polymerases.Original Research · 1991 · 74 citations
3Component H of the DNA-dependent RNA polymerases of Archaea is homologous to a subunit shared by the three eucaryal nuclear RNA polymerases.Original Research · 1992 · 50 citations
4Halobacterial S9 operon. Three ribosomal protein genes are cotranscribed with genes encoding a tRNA(Leu), the enolase, and a putative membrane protein in the archaebacterium Haloarcula (Halobacterium) marismortui.Original Research · 1991 · 29 citations
5RPB7, one of two dissociable subunits of yeast RNA polymerase II, is essential for cell viabilityOriginal Research · 1993 · 80 citations

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Archaebacterial DNA-dependent RNA polymerases testify to the evolution of the eukaryotic nuclear genome.1989
The alpha-operon equivalent genome region in the extreme halophilic archaebacterium Haloarcula (Halobacterium) marismortui.1992

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