The MIT team found that a previously uncharacterized Cas9 from Streptococcus canis has fewer PAM requirements than the more widely used S. pyogenes Cas9.
The researchers found that the diversity of epithelial cell types was reduced in nasal polyps, which contained few glandular and ciliated cells and were enriched in basal cells.
By combining iPSCs, CRISPR gene editing, and transcriptomic approaches, researchers examined the effects of an Alzheimer's disease risk variant on brain cells.
Discover magazine reports that animal dissections might dissuade students from science careers, but that a firm has developed synthetic frogs for dissections.
