53 results found
    1. Genetics and Genomics

    Expression of most retrotransposons in human blood correlates with biological aging

    Yi-Ting Tsai, Nogayhan Seymen ... Mohammad M Karimi
    Despite no observed correlation between retrotransposon (RTE) activity and chronological age, the expression of most RTE classes and families except SINEs correlated with biological age-associated gene signature scores.
    1. Developmental Biology
    2. Plant Biology

    Epigenetic reprogramming rewires transcription during the alternation of generations in Arabidopsis

    Michael Borg, Ranjith K Papareddy ... Frédéric Berger
    Epigenetic reprogramming of the distinct repressive marks H3K27me3 or H3K9me2 guides the transition between the haploid and diploid life forms that encompass the life cycle of land plants.
    1. Developmental Biology
    2. Genetics and Genomics

    A comprehensive survey of C. elegans argonaute proteins reveals organism-wide gene regulatory networks and functions

    Uri Seroussi, Andrew Lugowski ... Julie M Claycomb
    Systematically studying the expression, small RNA-binding partners, and loss-of-function phenotypes of all 19 Argonautes uncovers how small RNA regulatory pathways function and interact in Caenorhabditis elegans, a long-standing model for small RNA biology and RNAi.
    1. Evolutionary Biology
    2. Immunology and Inflammation

    Evolution of pathogen tolerance and emerging infections: A missing experimental paradigm

    Srijan Seal, Guha Dharmarajan, Imroze Khan
    An integrated empirical paradigm tracing immune strategies, underlying mechanisms and infection outcomes across reservoir host-pathogen systems, their specific ecological contexts, life-history features, and coevolutionary dynamics can reveal the actual patterns and processes underlying spillover in the wild.
    1. Genetics and Genomics

    Firefly genomes illuminate parallel origins of bioluminescence in beetles

    Timothy R Fallon, Sarah E Lower ... Jing-Ke Weng
    The first genomic view of beetle luciferase evolution indicates evolutionary independence of luciferase between fireflies and click-beetles, and provide valuable datasets which will accelerate the discovery of new biotechnological tools.
    1. Immunology and Inflammation

    The role of B cells in immune cell activation in polycystic ovary syndrome

    Angelo Ascani, Sara Torstensson ... Elisabet Stener-Victorin
    Androgen receptor activation modifies B cell frequencies and functionality, accompanied by weight gain in female mice exposed to human PCOS IgG, highlighting the unrecognized involvement of B cells in PCOS autoimmune comorbidities despite their absence not preventing PCOS phenotype development.
    1. Developmental Biology

    HDAC1 SUMOylation promotes Argonaute-directed transcriptional silencing in C. elegans

    Heesun Kim, Yue-He Ding ... Craig C Mello
    HDAC SUMOylation promotes the association of other chromatin remodeling factors with the nuclear Argonaute WAGO-9, which is required for de novo heterochromatin silencing.
    1. Developmental Biology
    2. Genetics and Genomics

    Determining the effects of paternal obesity on sperm chromatin at histone H3 lysine 4 tri-methylation in relation to the placental transcriptome and cellular composition

    Anne-Sophie Pepin, Patrycja A Jazwiec ... Sarah Kimmins
    Epigenomic and transcriptomic analysis reveals that paternal obesity influences sperm histone H3 lysine 4 tri-methylation enrichment and placenta gene expression, which in turn negatively impact its development and function in a manner that may contribute to metabolic disease in offspring.
    1. Genetics and Genomics
    2. Plant Biology

    The Arabidopsis active demethylase ROS1 cis-regulates defence genes by erasing DNA methylation at promoter-regulatory regions

    Thierry Halter, Jingyu Wang ... Lionel Navarro
    Active DNA demethylation at some defence gene promoters is causal for DNA binding of WRKY transcription factors as well as for transcriptional activation of these genes during plant immune response.
    1. Chromosomes and Gene Expression
    2. Plant Biology

    A new role for histone demethylases in the maintenance of plant genome integrity

    Javier Antunez-Sanchez, Matthew Naish ... Jose Gutierrez-Marcos
    Plants reset chromatin marks during sexual reproduction to safeguard the stability of the genome.

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