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In this study we have used the rifampicin selection as a tool to genetically improve the erythromycin producer Saccharopolyspora erythraea. Two rifampicin-resistant (rif) mutants, rif1 and rif6, have been characterized in more detail. With respect to the parental strain NRRL2338, rif1 (harboring the...
ORGANISM(S): Saccharopolyspora erythraea 
Not available
ORGANISM(S): Saccharomyces Cerevisiae (ncbitaxon:4932) 
2014-06-16 | MSV000078739 | MassIVE
In the yeast Saccharomyces cerevisiae, cleavage factor I (CFI) and cleavage and polyadenylation factor (CPF) build the core of the transcription termination machinery. CFI comprises the Rna14, Rna15, Pcf11, and Clp1 proteins, as well as the associated Hrp5 RNA-binding protein. We found that CFI part...
ORGANISM(S): Saccharomyces cerevisiae 
When challenged with osmotic shock, S. cerevisiae induces hundreds of genes, despite a global reduction in transcriptional capacity. The mechanisms that regulate this rapid reallocation of transcriptional resources are not known. Here we show that redistribution of RNA Pol II upon stress requires ...
ORGANISM(S): Saccharomyces cerevisiae 
Complex functional coupling exists between transcriptional elongation and pre-mRNA alternative splicing. Pausing sites and changes in the rate of transcription by RNAPII may therefore have a fundamental impact in the regulation of alternative splicing. Here, we show that the elongation and splicing-...
ORGANISM(S): Homo sapiens 
Long non-coding RNAs (lncRNAs) have been shown to regulate gene expression, chromatin domains and chromosome stability in eukaryotic cells. Recent observations have reported the existence of telomere associated long ncRNAs (TERRA, telomeric repeat containing RNA) in mammalian and yeast cells but the...
ORGANISM(S): Saccharomyces cerevisiae 
In Saccharomyces cerevisiae short non-coding RNA (ncRNA) generated by RNA Polymerase II (Pol II) are terminated by the NRD complex consisting of Nrd1, Nab3 and Sen1. We now show that Pcf11, a component of the cleavage and polyadenylation complex (CPAC), is generally required for NRD-dependent transc...
ORGANISM(S): Saccharomyces cerevisiae 
AdpA is a global transcriptional activator triggering morphological differentiation and secondary metabolism in Streptomyces griseus. AdpA influences expression of >1,000 genes, but the overall picture of AdpA regulon has been obscure. Here, we took snapshots of distribution of AdpA across the chrom...
ORGANISM(S): Streptomyces griseus 
In cells lacking the histone methyltransferase Set2, initiation of RNA polymerase II transcription occurs inappropriately within the protein-coding regions of genes, rather than being restricted to the proximal promoter. Here, we mapped the transcripts produced in an S. cerevisiae strain lacking Set...
ORGANISM(S): Saccharomyces cerevisiae 
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