Thiolutin has been used as a polymerase II inhibitor:
to study its effects on yeast cells to calculate transcript half-life [1]
to study its effects on transcription during germination in budding yeast [2]
to study its effects on cell adhesion in zebrafish [3]
Biochem/physiol Actions
Sulfur-containing antibiotic, which is a potent inhibitor of bacterial and yeast RNA polymerases. It was found to inhibit in vitro RNA synthesis directed by all three yeast RNA polymerases (I, II, and III). Thiolutin is also an inhibitor of mannan and glucan formation in Saccharomyces cerevisiae and used for the analysis of mRNA stability. Studies have shown that thiolutin inhibits adhesion of human umbilical vein endothelial cells (HUVECs) to vitronectin and thus suppresses tumor cell-induced angiogenesis in vivo.
Preparation Note
Thiolutin dissolves in DMSO at 0.90 - 1.10 mg/ml to yield a clear, yellow solution.
The Journal of cell biology, 126(3), 649-659 (1994-08-01)
To understand the mechanisms of mRNA transport in eukaryotes, we have isolated Saccharomyces cerevisiae temperature-sensitive (ts) mutants which accumulate poly(A)+ RNA in the nucleus at the restrictive temperature. A total of 21 recessive mutants were isolated and classified into 16
Size-dependent expression of the mitotic activator Cdc25 suggests a mechanism of size control in fission yeast
Nonsense-mediated mRNA decay (NMD) is a eukaryotic mechanism of RNA surveillance that selectively eliminates aberrant transcripts coding for potentially deleterious proteins. NMD also functions in the normal repertoire of gene expression. In Saccharomyces cerevisiae, hundreds of endogenous RNA Polymerase II
Applied and environmental microbiology, 56(10), 3179-3185 (1990-10-01)
We have previously isolated mutants of Escherichia coli which show increased oxidation of heterocyclic furan and thiophene substrates. We have now found that strains carrying the thdA mutation express a novel enzyme activity which oxidizes a variety of substrates containing
Thiolutin inhibits endothelial cell adhesion by perturbing Hsp27 interactions with components of the actin and intermediate filament cytoskeleton
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