146 results found
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Non-crossover gene conversions show strong GC bias and unexpected clustering in humans

    Amy L Williams et al.
    In humans, non-crossover gene conversion events transmit GC alleles in 68% of cases and exhibit a complex pattern of multiple disconnected tracts clustered within 20–30 kilobase intervals.
    1. Genetics and Genomics

    Background selection and biased gene conversion affect more than 95% of the human genome and bias demographic inferences

    Fanny Pouyet et al.
    Background selection and GC-biased gene conversion impact the human genome to a much larger extent than previously recognized in low and high recombination rate regions, respectively.
    1. Genetics and Genomics

    Neutral Evolution: The randomness that shapes our DNA

    Kelley Harris
    Just 5% of the human genome is subject to neutral evolution but this process remains central to understanding the history of human migration across the Earth.
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    1. Neuroscience

    Calcium dynamics regulating the timing of decision-making in C. elegans

    Yuki Tanimoto et al.
    A series of quantitative behavioural and opto-physiological analyses using a novel robot microscope system reveals that C. elegans computes the time-differential and time-integral of sensory information for decision-making during olfactory navigation.
    1. Neuroscience

    Functional limb muscle innervation prior to cholinergic transmitter specification during early metamorphosis in Xenopus

    Francois M Lambert et al.
    Molecular labeling, electrophysiology and calcium imaging have revealed a novel switching of neurotransmitter at the frog neuromuscular junction where motoneurons transiently release glutamate before acetylcholine at synapses on developing hindlimb muscles at the onset of metamorphosis.
    1. Neuroscience

    Neurosecretory protein GL stimulates food intake, de novo lipogenesis, and onset of obesity

    Eiko Iwakoshi-Ukena et al.
    Neurosecretory protein GL, a previously unknown mammalian neuropeptide, is a novel hypothalamic factor which regulates feeding behavior and peripheral lipogenesis in animals.
    1. Genetics and Genomics

    Codon optimization underpins generalist parasitism in fungi

    Thomas Badet et al.
    Codon optimization through biased synonymous substitutions is a characteristic feature of the genomes of generalist fungal parasites and is associated with the colonization of multiple hosts.
    1. Genetics and Genomics

    The genetic basis for ecological adaptation of the Atlantic herring revealed by genome sequencing

    Alvaro Martinez Barrio et al.
    Whole genome sequencing of 19 populations of Atlantic and Baltic herring reveals hundreds of individual loci underlying adaptation to a low salinity niche or timing of reproduction.
    1. Cell Biology

    Spatial organization shapes the turnover of a bacterial transcriptome

    Jeffrey R Moffitt et al.
    Transcriptome-scale RNA imaging and lifetime measurements reveal that the E. coli transcriptome is spatially organized and that this organization modulates the post-transcriptional fate of bacterial mRNAs.
    1. Structural Biology and Molecular Biophysics
    2. Chromosomes and Gene Expression

    Single-molecule tracking of the transcription cycle by sub-second RNA detection

    Zhengjian Zhang et al.
    A new technique called fastFISH enables nearly real-time and stoichiometric detection of nascent RNA and the tracking of individual stages of transcription at the level of single-molecules.

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