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Citations since 2017
5 Research Items
Aim: A functional proteome is essential for life and maintained by protein quality control (PQC) systems in the cytosol and organelles. Protein aggregation is an indicator of a decline of PQC linked to aging and disease. Mitochondrial PQC is critical to maintain mitochondrial function and thus cellular fitness. How mitochondria handle aggregated p...
Overexposure to manganese disrupts cellular energy metabolism across species, but the molecular mechanism underlying manganese toxicity remains enigmatic. Here, we report that excess cellular manganese selectively disrupts coenzyme Q (CoQ) biosynthesis, resulting in failure of mitochondrial bioenergetics. While respiratory chain complexes remain in...
Mitochondria play pivotal roles in cellular energy metabolism, the synthesis of essential biomolecules and the regulation of cell death and aging. The proper folding, unfolding and degradation of the many proteins active within mitochondria is surveyed by the mitochondrial quality control machineries. Here, we describe the principal components of t...
Thioredoxin-interacting protein (TXNIP) is an a-arrestin that can bind to and inhibit the antioxidant protein thioredoxin (TXN). TXNIP expression is induced by glucose and promotes b-cell apoptosis in the pancreas, and deletion of its gene in mouse models protects against diabetes. TXNIP is currently studied as a potential new target for antidiabet...
Kgd4 is a novel subunit of the mitochondrial α-ketoglutarate dehydrogenase complex (KGDH). In yeast, the protein is present in two forms of unknown origin, as there is only one open reading frame and no alternative splicing. Here, we show that the two forms of Kgd4 derive from one mRNA that is translated by employing two alternative start sites. Th...
I have been trying to stain my yeast cells with DAPI after fixing them with 4% PFA and I am not getting a good result. Maybe someone has a tip they can share on how to do it to get nice pictures!
Also, is there a way to use DAPI staining in cells in stationary phase without having to add additional glucose to the media??
Thanks a lot for your help!