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Puromycin is an aminonucleoside antibiotic with structural similarity to aminoacyl tRNA. This structure allows the drug to bind the ribosomal A site and incorporate into nascent polypeptides, causing chain termination, ribosomal subunit dissociation and widespread translational arrest at high concentrations. In contrast, at sufficiently low concentrations, puromycin incorporates primarily at the C‐terminus...
Centrifugal elutriation discriminates cells according to their sedimentation coefficients, generating homogeneous samples well suited for genomic comparative approaches. It can, for instance, isolate G1 daughter cells from a Saccharomyces cerevisiae unsynchronized population, alleviating ageing and cell‐cycle biases when conducting genome‐wide/single‐cell studies. The present report describes a straightforward...
Laboratory stocks are the hardware of research. They must be stored and managed with mimimum loss of material and information. Plasmids, oligonucleotides and strains are regularly exchanged between collaborators within and between laboratories. Managing and sharing information about every item is crucial for retrieval of reagents, for planning experiments and for reproducing past experimental results...
Many yeast experiments require strains modified by recombinant DNA methods. Some experiments require precise insertion of a DNA segment into the genome without a selectable marker remaining. For these applications, we developed a new PCR‐based method for marker‐free DNA transplant. The current PCR‐based method requires the labour‐intensive construction of a PCR template plasmid with repeats of the...
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