46 results found
    1. Cancer Biology
    2. Chromosomes and Gene Expression

    Deletion of the MAD2L1 spindle assembly checkpoint gene is tolerated in mouse models of acute T-cell lymphoma and hepatocellular carcinoma

    Floris Foijer, Lee A Albacker ... Peter K Sorger
    Chromosomal instability through spindle assembly checkpoint alleviation facilitates malignant transformation of hepatocytes and T-cells in vivo, resulting in cancers with recurrent karyotypes.
    1. Cancer Biology
    2. Computational and Systems Biology

    Quantifying chromosomal instability from intratumoral karyotype diversity using agent-based modeling and Bayesian inference

    Andrew R Lynch, Nicholas L Arp ... Mark E Burkard
    Chromosomal instability of cancer can be quantitatively measured by phylogenetic analysis of 200 tumor cells while using evolutionary principles to account for cellular selection.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Aneuploidy as a cause of impaired chromatin silencing and mating-type specification in budding yeast

    Wahid A Mulla, Chris W Seidel ... Rong Li
    Genetic analyses reveal that purely quantitative changes in the relative copy number of chromosomes can be sufficient to disrupt the epigenetic mechanisms that define the cells' differentiated state.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Chromosome mis-segregation and cytokinesis failure in trisomic human cells

    Joshua M Nicholson, Joana C Macedo ... Daniela Cimini
    Aneuploidy can cause chromosome mis-segregation and specific cellular phenotypes driven by expression of genes on the extra chromosome.
    1. Evolutionary Biology

    Free-living human cells reconfigure their chromosomes in the evolution back to uni-cellularity

    Jin Xu, Xinxin Peng ... Chung-I Wu
    Human cell lines regress to become ‘de-sexualized’ by reconfiguring to a 2:3 X/A ratio of high fitness, thus shedding light on the evolution of mammalian sex chromosomes.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    Expandable and reversible copy number amplification drives rapid adaptation to antifungal drugs

    Robert T Todd, Anna Selmecki
    Novel segmental chromosome amplifications in Candida albicans provide rapid adaptation to the most widely used antifungal drugs.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Spatial inter-centromeric interactions facilitated the emergence of evolutionary new centromeres

    Krishnendu Guin, Yao Chen ... Kaustuv Sanyal
    Proximity and homology guided inter-chromosomal translocations drive karyotype evolution.
    1. Cancer Biology
    2. Cell Biology

    GPCR signaling inhibits mTORC1 via PKA phosphorylation of Raptor

    Jenna L Jewell, Vivian Fu ... Kun-Liang Guan
    Protein kinase A (PKA) phosphorylates Raptor and inhibits mammalian target of rapamycin complex 1 (mTORC1) activity.
    1. Chromosomes and Gene Expression
    2. Evolutionary Biology

    Dynamic turnover of centromeres drives karyotype evolution in Drosophila

    Ryan Bracewell, Kamalakar Chatla ... Doris Bachtrog
    De novo formation of centromeres creates diverse karyotypes in flies and is accompanied by rapid turnover of centromere-associated satellite repeats.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    No current evidence for widespread dosage compensation in S. cerevisiae

    Eduardo M Torres, Michael Springer, Angelika Amon
    Dosage compensation does not take place in wild yeast strains.

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