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Small RNA sequencing analysis provides novel insights into microRNA-mediated regulation of defense responses in chickpea against Fusarium wilt infection.
Planta
January 2025
ICAR-National Institute for Plant Biotechnology, New Delhi, 110012, Delhi, India.
Small RNA sequencing analysis in two chickpea genotypes, JG 62 (Fusarium wilt-susceptible) and WR 315 (Fusarium wilt-resistant), under Fusarium wilt stress led to identification of 544 miRNAs which included 406 known and 138 novel miRNAs. A total of 115 miRNAs showed differential expression in both the genotypes across different combinations. A miRNA, Car-miR398 targeted copper chaperone for superoxide dismutase (CCS) that, in turn, regulated superoxide dismutase (SOD) activity during chickpea-Foc interaction.
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
Allen Institute for Brain Science, Seattle, WA, USA.
Background: Applying single-cell RNA sequencing (scRNA-seq) to the study of neurodegenerative disease has propelled the field towards a more refined cellular understanding of Alzheimer's disease (AD); however, directly linking protein pathology to transcriptomic changes has not been possible at scale. Recently, a high-throughput method was developed to generate high-quality scRNA-seq data while retaining cytoplasmic proteins. Tau is a cytoplasmic protein and when hyperphosphorylated is integrally involved in AD progression.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
Washington University School of Medicine, Saint Louis, MO, USA.
Background: The recent European-ancestry based genome-wide association study (GWAS) of Alzheimer disease (AD) by Bellenguez2022 has identified 75 significant genetic loci, but only a few have been functionally mapped to effector gene level. Besides the large-scale RNA expression, protein and metabolite levels are key molecular traits bridging the genetic variants to AD risk, and thus we decided to integrate them into the genetic analysis to pinpoint key proteins and metabolites underlying AD etiology. Few studies have generated more than one layer of post-transcriptional phenotypes, limiting the scale of biological translation of disease modifying treatments.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
Lawrence Chen Program in Neurogenetics, Department of Neurology, David Geffen School of Medicine, University of California, Los Angeles, CA, USA.
Background: Abnormal tau protein accumulation selectively affects distinct brain regions and specific neuron and glia populations in tau-related dementias like Alzheimer's disease (AD), frontotemporal dementia (FTD, Pick's disease type), and Progressive supranuclear palsy (PSP). The regulatory mechanisms governing cell-type vulnerability remain unclear.
Method: In a cross-disorder single-nucleus analysis, we examined 663,896 nuclei, assessing chromatin accessibility in three brain regions (motor cortex, visual cortex and insular cortex) across PSP, AD, and FTD in 40 individuals.
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