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    1. Chromosomes and Gene Expression

    Importance of miRNA stability and alternative primary miRNA isoforms in gene regulation during Drosophila development

    Li Zhou et al.
    Selective degradation of mature miRNAs shapes temporal miRNA expression patterns and is important for proper regulation of target genes to support normal development of Drosophila embryos.
    1. Physics of Living Systems

    Aerotaxis in the closest relatives of animals

    Julius B Kirkegaard et al.
    The colony-forming choanoflagellate Salpingoeca rosetta is capable of moving towards oxygen using logarithmic sensing of oxygen concentrations and a navigation strategy that involves random movements.
    1. Cancer Biology
    2. Cell Biology

    Secretion of protein disulphide isomerase AGR2 confers tumorigenic properties

    Delphine Fessart et al.
    Epithelial tumors secrete the ER-resident AGR2 in the extracellular matrix to function as a novel essential microenvironmental regulator of epithelial tissue architecture, which leads to tumorigenicity.
    1. Neuroscience

    Acoustic duetting in Drosophila virilis relies on the integration of auditory and tactile signals

    Kelly M LaRue et al.
    Quantitative behavioral assays and modeling show that acoustic duetting in Drosophila during courtship relies on the detection of precisely timed cues via multiple sensory channels.
    1. Neuroscience

    Persistent coding of outcome-predictive cue features in the rat nucleus accumbens

    Jimmie M Gmaz et al.
    Neural activity in the rat nucleus accumbens provides a rich task representation that includes not only expected outcomes, but also the specific identity of the cues that predict these outcomes.
    1. Developmental Biology

    Glucose inhibits cardiac muscle maturation through nucleotide biosynthesis

    Haruko Nakano et al.
    During cardiogenesis, the major role of glucose is not the catabolic extraction of energy but the anabolic biosynthesis of nucleotides.
    1. Cell Biology

    Cyclin-dependent kinase control of motile ciliogenesis

    Eszter K Vladar et al.
    Cyclin-dependentkinase 2 (Cdk2), the master regulator of S phase events during the cell cycle, controls the earliest step in the motile ciliogenesis pathway in quiescent multiciliatedairway epithelial cells.
    1. Genetics and Genomics

    Firefly genomes illuminate parallel origins of bioluminescence in beetles

    Timothy R Fallon et al.
    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. Ecology

    A SLC4 family bicarbonate transporter is critical for intracellular pH regulation and biomineralization in sea urchin embryos

    Marian Y Hu et al.
    Cellular carbon accumulation systems are a fundamental prerequisite for biomineralization to stabilize pH and to supply inorganic carbon for CaCO3 precipitation under changing environmental conditions.
    1. Computational and Systems Biology
    2. Neuroscience

    Fundamental bound on the persistence and capacity of short-term memory stored as graded persistent activity

    Onur Ozan Koyluoglu et al.
    A fundamental lower-bound on memory recall precision, which declines with storage duration and number of stored items, is derived, and human performance is shown to be well-fit by this theoretical bound.