108 results found
    1. Genetics and Genomics

    Genetic variation in adaptability and pleiotropy in budding yeast

    Elizabeth R Jerison et al.
    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 et al.
    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 et al.
    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 et al.
    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. Developmental Biology
    2. Neuroscience

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

    Felix Fiederling et al.
    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 et al.
    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. Cancer Biology
    2. Cell Biology

    Genetic Diversity: Driving cancer evolution

    Devon M Fitzgerald, Susan M Rosenberg
    Tumor-growth-factor-beta signaling helps cancer cells to evolve and become resistant to drugs by down-regulating accurate DNA repair.
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    1. Medicine

    Loss of adaptive capacity in asthmatic patients revealed by biomarker fluctuation dynamics after rhinovirus challenge

    Anirban Sinha et al.
    Fluctuation of biomarkers is a novel way of studying system stability during stable and unstable states of health and disease, revealing the systems' ability to cope with external perturbations.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    Host-selected mutations converging on a global regulator drive an adaptive leap towards symbiosis in bacteria

    M Sabrina Pankey et al.
    Selective forces imposed by the squid animal host drive rapid adaptation of non-native Vibrio fischeri bacteria through convergent mutations of large effect, unmasking preexisting coordinated regulation of symbiosis.
    1. Cancer Biology
    2. Immunology and Inflammation

    Tissue-autonomous immune response regulates stress signaling during hypertrophy

    Robert Krautz et al.
    The immune effector Drosomycin buffers stress signaling in hypertrophic salivary glands to inhibit their disintegration, detection by the cellular immune response, and promotes further overgrowth.

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