759 results found
    1. Chromosomes and Gene Expression
    2. Evolutionary Biology

    Evolution of extreme resistance to ionizing radiation via genetic adaptation of DNA repair

    Rose T Byrne et al.
    Experiments on E. coli show that multiple mechanisms contribute to extreme resistance to ionizing radiation in bacteria, with mutations to three genes for DNA repair having a prominent role in one evolved population.
    1. Cell Biology
    2. Neuroscience

    Rescue of cognitive function following fractionated brain irradiation in a novel preclinical glioma model

    Xi Feng et al.
    Whole-brain radiotherapy, but not glioma growth in distal region from the hippocampus, results in impaired recognition memory, which can be prevented by CSF-1R inhibitor-mediated microglia depletion.
    1. Ecology

    Substantial near-infrared radiation-driven photosynthesis of chlorophyll f-containing cyanobacteria in a natural habitat

    Michael Kühl et al.
    Cyanobacteria with chlorophyll f show substantial near-infrared radiation-driven photosynthesis and can play an important role for primary production in endolithic, intertidal habitats.
    1. Evolutionary Biology

    The structure of species discrimination signals across a primate radiation

    Sandra Winters et al.
    Machine learning and experimental tests of receiver bias identify signal components critical to correct species classification in guenons, linking face pattern diversity to selection for species discrimination.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    The Aquilegia genome provides insight into adaptive radiation and reveals an extraordinarily polymorphic chromosome with a unique history

    Danièle L Filiault et al.
    The evolution columbine genus involved frequent mixing between incipient species, and one chromosome appears to have taken its own path.
    1. Stem Cells and Regenerative Medicine

    ERα promotes murine hematopoietic regeneration through the Ire1α-mediated unfolded protein response

    Richard H Chapple et al.
    Estrogen is a systemic factor that promotes hematopoietic regeneration by activating the unfolded protein responses.
    1. Cell Biology
    2. Stem Cells and Regenerative Medicine

    Loss of foxo rescues stem cell aging in Drosophila germ line

    Filippo Artoni et al.
    Loss of foxo rescues age-related defects in stem cell-mediated regeneration post-injury.
    1. Evolutionary Biology

    Multifactorial processes underlie parallel opsin loss in neotropical bats

    Alexa Sadier et al.
    Parallel losses of short-wave light sensitivity in diverse bats occurred through independent changes at multiple steps in the conversion of genotype into functional phenotype, including pre-, during, and post-transcription.
    1. Structural Biology and Molecular Biophysics

    Advances in X-ray free electron laser (XFEL) diffraction data processing applied to the crystal structure of the synaptotagmin-1 / SNARE complex

    Artem Y Lyubimov et al.
    Building on previous work (Uervirojnangkoorn et al., 2015), we demonstrate how improved methods for processing XFEL diffraction data enable the determination of structures from poorly diffracting crystals.

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