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Most eukaryotic genes express mRNAs with alternative polyadenylation sites at their 3’ ends. Here we show that polyadenylated 3’ termini in three yeast species (S. cerevisiae, K. lactis, D. hansenii) are remarkably heterogeneous. Instead of a few discrete 3’ ends, the average yeast gene has an “en...
ORGANISM(S): Saccharomyces cerevisiae 
When grown on solid substrates, different microorganisms often form colonies with very specific morphologies. Whereas the pioneers of microbiology often used colony morphology to discriminate between species and strains, the phenomenon has not received much recent attention. In this study, we use ...
ORGANISM(S): Saccharomyces cerevisiae 

Metabolic networks are interconnected and influence diverse cellular processes. The protein-metabolite interactions that mediate these networks are frequently low affinity and challenging to systematically discover. We developed mass spectrometry integrated with equilibrium dialysis for the disco...

2023-08-07 | MTBLS7237 | MetaboLights
Molecular genetic studies of Drosophila melanogaster have led to profound advances in understanding the regulation of development. Here we report gene expression patterns for nearly one-third of all Drosophila genes during a complete time course of development. Mutations that eliminate eye or germli...
ORGANISM(S): Drosophila melanogaster 
Resveratrol (3,5,4'-trihydroxystilbene) extends the lifespan of diverse species including yeast, worms, and flies. In these organisms, lifespan extension is dependent on Sir2, a conserved deacetylase proposed to underlie the beneficial effects of caloric restriction (CR). Here we show that resveratr...
ORGANISM(S): Mus musculus 
We identify the cis and trans determinants of nucleosome positioning using a functional evolutionary approach involving S. cerevisiae strains containing large genomic regions from other yeast species. In a foreign species, nucleosome depletion at promoters is maintained over poly(dA:dT) tracts, wher...
ORGANISM(S): Saccharomyces cerevisiae 
In order to dissect the nuclear RNA quality control (QC) mechanisms, we used a powerful assay based on global perturbation of mRNP biogenesis in yeast Saccharomyces cerevisiae by the bacterial Rho helicase. We have monitored the global RNA levels upon Rho activation and compare it to basal RNA level...
ORGANISM(S): Saccharomyces cerevisiae 
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