289 results found
    1. Genetics and Genomics

    Genetic variation in adaptability and pleiotropy in budding yeast

    Elizabeth R Jerison, Sergey Kryazhimskiy ... Michael M Desai
    Substantial heritable genetic variation in adaptability and the pleiotropic consequences of adaptation exists in budding yeast, and can be explained by a combination of fitness and specific segregating alleles.
    1. Cancer Biology
    2. Cell Biology

    TGF-β reduces DNA ds-break repair mechanisms to heighten genetic diversity and adaptability of CD44+/CD24− cancer cells

    Debjani Pal, Anja Pertot ... Raffaella Sordella
    Phenotypic diversity and cell state transition (i.e., acquisition of a CD44+/CD24- cell state or exposure to TGF-beta) can spur intra-tumor genetic heterogeneity and contribute to acquired resistance.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    New approach for membrane protein reconstitution into peptidiscs and basis for their adaptability to different proteins

    Gabriella Angiulli, Harveer Singh Dhupar ... Thomas Walz
    Cryo-EM structures reveal how the peptidisc scaffold can adapt to different membrane proteins, establishing it as a universal membrane mimetic to stabilize membrane proteins in solution.
    1. Ecology
    2. Microbiology and Infectious Disease

    Adaptability of non-genetic diversity in bacterial chemotaxis

    Nicholas W Frankel, William Pontius ... Thierry Emonet
    An experimentally constrained model shows that Escherichia coli faces fitness trade-offs in chemotaxis behaviors, and that adaptation of phenotypic diversity through altered gene regulation permits populations to resolve these trade-offs.
    1. Evolutionary Biology

    A scenario for an evolutionary selection of ageing

    Tristan Roget, Claire Macmurray ... Michael Rera
    Ageing is broadly accepted as a by-product of evolution, as thus, models allowing to conceive ageing as an adaptive force of evolution could show significant importance at a time of biogerontology mostly aiming at curing ageing.
    1. Neuroscience

    Tracking the neurodevelopmental trajectory of beta band oscillations with optically pumped magnetometer-based magnetoencephalography

    Lukas Rier, Natalie Rhodes ... Matthew J Brookes
    The first neurodevelopmental study using a novel, wearable brain imaging system based on optically pumped magnetometers, shows age-related changes in neural oscillatory task responses and cortical functional connectivity.
    1. Structural Biology and Molecular Biophysics

    Flexibility in PAM recognition expands DNA targeting in xCas9

    Kazi A Hossain, Lukasz Nierzwicki ... Giulia Palermo
    xCas9's ability to recognise diverse DNA sequences stems from structural flexibility in the protospacer adjacent motif (PAM)-interacting cleft and adaptability to PAM-induced conformational changes, paving the way for advanced genome editing tools.
    1. Developmental Biology
    2. Neuroscience

    Ephrin-A/EphA specific co-adaptation as a novel mechanism in topographic axon guidance

    Felix Fiederling, Markus Weschenfelder ... Franco Weth
    A distinctive novel mechanism of ephrin-A/EphA signaling modulation in retinal growth cones ensures concurrent quantitative accuracy and adaptability of topographic hardwiring.
    1. Evolutionary Biology

    Phenotypic and molecular evolution across 10,000 generations in laboratory budding yeast populations

    Milo S Johnson, Shreyas Gopalakrishnan ... Michael M Desai
    Experimentally evolved yeast populations increase in fitness predictably but do not divide into coexisting lineages or dramatically increase their mutation rates after 10,000 generations.
    1. Evolutionary Biology

    How hibernation in frogs drives brain and reproductive evolution in opposite directions

    Wenbo Liao, Ying Jiang ... Stefan Lüpold
    Rumation of anurans covaried negatively with brain size but positively with reproductive investment, likely in response to brumation-dependent changes in the socio-ecological context and associated selection on different tissues.

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