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The DAQ score assesses the consistency of amino acid assignment in protein structure models with local density from cryo-EM maps. The method complements existing quality metrics and is a versatile tool for highlighting problematic regions of model structures.
PROBER is a fast and sensitive episome-based method to identify sequence-specific DNA-binding proteins from living cells using proximity proteomics. This method quantifies steady-state and inducible association of transcription factors and corresponding chromatin regulators to specific DNA sequences as well as binding quantitative trait loci present as a result of single nucleotide variants.
Tardigrades are everywhere. They’re tiny — usually under a millimeter long — and they’re mostly transparent, so they’re easy to miss. But you probably walk by them every day. We’ve been grooming them as emerging models for studying how body forms evolve and how biological materials can survive extreme conditions.
Functional ultrasound localization microscopy monitors cerebrovascular blood flow by detecting the flow of injected microbubbles, providing access to brain activity at high spatiotemporal resolution.
PROBER offers a method to identify proteins associated with the DNA sequence of interest and quantify differential binding caused by sequence variants in living cells.
Dipole–dipole crosstalk between fluorophores separated by a distance of less than 10 nm induces changes in their photophysics, which adds a challenge to localization microscopy in the sub-10-nm regime.
Energy transfer between fluorophores is shown to impede SMLM at sub-10-nm spatial resolution. Time-resolved detection and photoswitching fingerprinting analysis are used to determine the number and separation of closely spaced fluorophores.
Even without a stint on an ocean-faring vessel, scientists can trawl through data to explore marine viruses and address new puzzles and cultural shifts.
The study of human–animal chimeras is fraught with technical and ethical challenges. In this Comment, we discuss the importance and future of human–monkey chimera research within the context of current scientific and regulatory obstacles.