8,667 results found
    1. Computational and Systems Biology
    2. Evolutionary Biology

    Expression noise facilitates the evolution of gene regulation

    Luise Wolf et al.
    In-lab evolution of synthetic promoters has revealed a novel general mechanism for de novo evolution of gene regulation, and highlights the crucial role of expression noise in this process.
    1. Developmental Biology
    2. Evolutionary Biology

    Landscape of histone modifications in a sponge reveals the origin of animal cis-regulatory complexity

    Federico Gaiti et al.
    The complex chromatin-based genomic regulatory system controlling developmental gene expression in complex bilaterians predates the evolution of morphological complexity and may have been a prerequisite for the evolution of the first simple multicellular animals.
    1. Chromosomes and Gene Expression

    Super-resolution imaging of a 2.5 kb non-repetitive DNA in situ in the nuclear genome using molecular beacon probes

    Yanxiang Ni et al.
    Molecular beacon based FISH shows the capability of visualizing a 2.5 kb non-repetitive genomic DNA sequence in situ in human or mouse nuclear genome at super resolution.
    1. Evolutionary Biology
    2. Plant Biology

    Evolution of herbivore-induced early defense signaling was shaped by genome-wide duplications in Nicotiana

    Wenwu Zhou et al.
    Comparative transcriptomic analysis reveals the molecular basis and evolution of herbivore-associated early defense signaling in Nicotiana.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    Neolithic and medieval virus genomes reveal complex evolution of hepatitis B

    Ben Krause-Kyora et al.
    Ancient hepatitis B virus (HBV) genomes were reconstructed from up to 7000-year-old Stone Age human skeletons, suggesting a long-time complex co-evolution with human populations.
    1. Computational and Systems Biology
    2. Evolutionary Biology

    An evolutionary model identifies the main evolutionary biases for the evolution of genome-replication profiles

    Rossana Droghetti et al.
    Mathematical modeling and data analysis show that, over evolutionary times, the yeast temporal program of replication strives to avoid stalling events and minimize interference between neighbor origins.
    1. Evolutionary Biology

    Ongoing resolution of duplicate gene functions shapes the diversification of a metabolic network

    Meihua Christina Kuang et al.
    Recent functional changes in ancient duplicate genes led to the evolution of divergent regulatory and metabolic strategies by the GALactose gene networks of two yeast species.
    1. Computational and Systems Biology
    2. Evolutionary Biology

    Mapping single-cell atlases throughout Metazoa unravels cell type evolution

    Alexander J Tarashansky et al.
    Mapping single-cell atlases throughout Metazoa systematically characterizes cell type diversity and the evolution of their associated gene expression programs.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Evolution of reduced co-activator dependence led to target expansion of a starvation response pathway

    Bin Z He et al.
    The phosphate starvation response network in a commensal yeast evolved to expand its downstream targets via changes in the main transcription factor's dependence on its co-activator, potentially altering the physiological response.
    1. Chromosomes and Gene Expression

    High-resolution, genome-wide mapping of positive supercoiling in chromosomes

    Monica S Guo et al.
    GapR-seq enables the global mapping of positive supercoiling in bacteria and yeast, revealing positive supercoils downstream of highly expressed genes and, in yeast, associated with centromeres, pericentromeres, telomeres, replication origins, and R-loops.

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