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TRAMP assembly alters the conformation and RNA binding of Mtr4 and Trf4-Air2.
Proc Natl Acad Sci U S A
January 2025
Department of Chemistry and Biochemistry, The University of Texas at Dallas, Richardson, TX 75080.
The TRAMP complex contains two enzymatic activities essential for RNA processing upstream of the nuclear exosome. Within TRAMP, RNA is 3' polyadenylated by a subcomplex of Trf4/5 and Air1/2 and unwound 3' to 5' by Mtr4, a DExH helicase. The molecular mechanisms of TRAMP assembly and RNA shuffling between the two TRAMP catalytic sites are poorly understood.
View Article and Find Full Text PDFIntergovernmental or fully independent? Designing a scientific panel on evidence for action against antimicrobial resistance.
PLOS Glob Public Health
January 2025
Global Strategy Lab, Dahdaleh Institute for Global Health Research, York University, Toronto, Ontario, Canada.
Effective global action against antimicrobial resistance (AMR) relies on the successful synthesis and translation of rigorous scientific evidence into policy and practice. Despite a call in 2019 by the Interagency Coordination Group on AMR to establish a policy-science interface, and the reaffirmation to establish a scientific panel in the 2024 Political Declaration on Antimicrobial Resistance, no authoritative entity currently exists that synthesizes the scientific evidence on AMR and outlines policy options based on the best scientific insight. A Scientific Panel on Evidence for Action against AMR (SPEA) could address this gap, as well as contribute to additional governance gaps in the space of AMR, by facilitating better global coordination and cooperation; establishing real-time evidence to guide policy actions; and monitoring progress towards any globally agreed upon AMR goals and targets.
View Article and Find Full Text PDFA chromosome-anchored reference assembly for the gray snapper, Lutjanus griseus.
Mol Biol Rep
January 2025
School of Ocean Science and Engineering, The University of Southern Mississippi, Ocean Springs, MS, 39564, USA.
Background: The gray snapper (Lutjanus griseus) is a marine reef fish commonly found in coastal and shelf waters of the tropical and subtropical western Atlantic Ocean. In this work, a draft reference genome was developed to support population genomic studies of gray snapper needed to assist with conservation and fisheries management efforts.
Methods And Results: Hybrid assembly of PacBio and Illumina sequencing reads yielded a 1,003,098,032 bp reference across 2039 scaffolds with N50 and L50 values of 1,691,591 bp and 163 scaffolds, respectively.
Basic Science and Pathogenesis.
Alzheimers Dement
December 2024
German Center for Neurodegenerative Diseases (DZNE), Bonn, North Rhine-Westphalia, Germany.
Background: MicroRNAs have been linked to dementia. However, understanding their relation to cognition in the general population is required to determine their potential use for the detection and prevention of age-associated cognitive decline and preclinical dementia. Therefore, we examined the association of circulating microRNAs with cognitive performance in a population-based cohort and the possible underlying mechanisms.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
Amsterdam UMC, Amsterdam, Netherlands.
Background: The TMEM106B protein is critical for proper functioning of the endolysomal system, which is utilised by all cells to traffic and degrade molecular cargo. Genome-wide association studies identified a haplotype in the TMEM106B gene that is associated with increased risk for Alzheimer's disease (AD), amyotrophic lateral sclerosis (ALS), and frontotemporal lobar degeneration with TAR DNA binding protein inclusions (FTLD-TDP). However, the causal variant that drives the association has thus far remained elusive.
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