227 results found
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Guanidine hydrochloride reactivates an ancient septin hetero-oligomer assembly pathway in budding yeast

    Courtney R Johnson et al.
    A naturally-occurring small molecule acts as a chemical chaperone in vivo to alter the folding of a budding yeast septin and promote an oligomerization pathway that was lost during evolution.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Structured illumination with particle averaging reveals novel roles for yeast centrosome components during duplication

    Shannon Burns et al.
    Visualization of yeast spindle pole proteins using a new microscopy method shows that assembly into the nuclear membrane occurs at the same time as duplication.
    1. Cell Biology

    The step-wise pathway of septin hetero-octamer assembly in budding yeast

    Andrew Weems, Michael McMurray
    In budding yeast cells, slow monomeric septin GTPase activity and the cytosolic GTP:GDP ratio dictate the relative incorporation of alternative subunits during septin hetero-oligomer assembly, which proceeds by discrete, ordered steps dependent on allostery between interaction interfaces.
    1. Cancer Biology

    Daam2 driven degradation of VHL promotes gliomagenesis

    Wenyi Zhu et al.
    The glial developmental factor, Daam2, promotes glioma tumorigenesis by degrading the VHL tumor suppressor, illustrating how dysregulation of gliogenic factors can impact tumor suppressor activity and promote glioma tumorigenesis.
    1. Chromosomes and Gene Expression

    A sharp Pif1-dependent threshold separates DNA double-strand breaks from critically short telomeres

    Jonathan Strecker et al.
    A sharp transition in the fate of DNA ends with telomere sequences is identified, which suggests a boundary between DNA double-strand breaks and telomeres.
    1. Genetics and Genomics

    Cdc13 is predominant over Stn1 and Ten1 in preventing chromosome end fusions

    Zhi-Jing Wu et al.
    Cdc13 prevents chromosomes from end-to-end fusion.
    1. Immunology and Inflammation

    Fate mapping analysis reveals a novel murine dermal migratory Langerhans-like cell population

    Jianpeng Sheng et al.
    Fate mapping analysis shows that not bona fide Langerhans cells but their ‘look-alikes’ dermal Langerhans cell-like cells migrate to the lymph nodes.
    1. Developmental Biology
    2. Neuroscience

    Neural retina-specific Aldh1a1 controls dorsal choroidal vascular development via Sox9 expression in retinal pigment epithelial cells

    So Goto et al.
    Neural retina-derived retinoic acids synthesized by Aldh1a1 control choroidal vascular development by regulating RPE-secreted VEGF.
    1. Computational and Systems Biology
    2. Developmental Biology

    The transcriptomic and epigenetic map of vascular quiescence in the continuous lung endothelium

    Katharina Schlereth et al.
    The acquisition of vascular quiescence during transition to adulthood is driven by distinct transcriptional and epigenetic programs of pro- and anti-angiogenic genes, with the most prominent effect on the suppression of TGFß family signaling.
    1. Stem Cells and Regenerative Medicine

    The neural crest is a source of mesenchymal stem cells with specialized hematopoietic stem cell niche function

    Joan Isern et al.
    Developing long bones contain distinct mesenchymal stem-cell populations derived from mesoderm and neural crest, which have specialized functions in skeleton formation and the establishment of the hematopoietic stem-cell niche, respectively.

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