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Related Articles from SNS

Structural Dynamics of RNA Polymerase II During Nucleotide Addition Cycle

RNA polymerase II (RNAPII) drives gene expression through iterative nucleotide addition cycles (NACs) comprising translocation, substrate binding, and catalysis. The lack of pre-catalysis and post-catalysis intermediates has precluded a complete mechanistic understanding of the NAC. Here we present 43 cryo-EM structures capturing distinct stages of the S. cerevisiae RNAPII elongation complex (EC) NAC, including previously intractable transition intermediates.

bioRxiv 5d ago

Social Novelty Recruits a Dysfunctional Nucleus Accumbens Ensemble That Drives Social Avoidance in a Shank3-/- Autism Model

Social behavior deficits are a common symptom of neuropsychiatric disorders, including autism spectrum disorder (ASD), but there are limited pharmacological treatments for these symptoms. Understanding how neurons encode social information will give insight into identifying novel pharmacological targets to address this unmet need. SHANK3 encodes a postsynaptic scaffold protein and is a common risk gene for several neuropsychiatric disorders characterized by social deficits, including ASD.

bioRxiv 5d ago

Rivian R2 2026: Specs, Price, Availability

For years, Rivian made one argument: Serious all-electric adventure vehicles had to cost serious money. The R1S, still one of the more capable off-roaders on any surface, starts at $75,900. The Tri Max configuration tips well past $105,000.

Wired 1d ago