1,208 results found
    1. Chromosomes and Gene Expression

    High-resolution mapping of heteroduplex DNA formed during UV-induced and spontaneous mitotic recombination events in yeast

    Yi Yin, Margaret Dominska ... Thomas D Petes
    Genome-wide mapping of heteroduplex DNA (a recombination intermediate) formed during mitotic recombination in yeast demonstrates that the "classical" model of double-strand DNA break repair is inadequate to explain several aspects of mitotic recombination.
    1. Chromosomes and Gene Expression

    Local chromosome context is a major determinant of crossover pathway biochemistry during budding yeast meiosis

    Darpan Medhi, Alastair SH Goldman, Michael Lichten
    Different homologous recombination pathways are dominant in different regions of meiotic chromosomes, indicating that chromosome structure influences recombination biochemistry.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Non-crossover gene conversions show strong GC bias and unexpected clustering in humans

    Amy L Williams, Giulio Genovese ... Molly Przeworski
    In humans, non-crossover gene conversion events transmit GC alleles in 68% of cases and exhibit a complex pattern of multiple disconnected tracts clustered within 20–30 kilobase intervals.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    TRF1 averts chromatin remodelling, recombination and replication dependent-break induced replication at mouse telomeres

    Rosa Maria Porreca, Emilia Herrera-Moyano ... Jean-Baptiste Vannier
    TRF1 suppresses replication fork stalling, which triggers break induced replication at telomeres associated with DNA damage response, alteration in the telomere chromatin environment, and re-localisation of telomeres to PML bodies.
    1. Microbiology and Infectious Disease

    A coordinated transcriptional switching network mediates antigenic variation of human malaria parasites

    Xu Zhang, Francesca Florini ... Kirk W Deitsch
    Malaria parasites avoid destruction by their host's immune response through systematic and coordinated expression switching between members of a network of variant antigen-encoding genes, a process that is mediated by a uniquely conserved gene called var2csa.
    1. Plant Biology

    A regulatory module controlling stress-induced cell cycle arrest in Arabidopsis

    Naoki Takahashi, Nobuo Ogita ... Masaaki Umeda
    Arabidopsis deploys the core signalling module that perceives distinct stress signals, such as DNA damage and heat stresses, and represses G2/M-specific genes, thereby causing cell cycle arrest.
    1. Genetics and Genomics

    Loss of heterozygosity results in rapid but variable genome homogenization across yeast genetic backgrounds

    Abhishek Dutta, Fabien Dutreux, Joseph Schacherer
    Loss of heterozygosity (LOH) mediated diversification of the diploid S. cerevisiae hybrid genomes during asexual propagation are vast and exceptionally varied depending on the genetic background.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Single nucleus sequencing reveals evidence of inter-nucleus recombination in arbuscular mycorrhizal fungi

    Eric CH Chen, Stephanie Mathieu ... Nicolas Corradi
    Arbuscular mycorrhizal fungi generate nuclear diversity in the dikaryotic life-stage stage via inter-nucleus recombination.
    1. Chromosomes and Gene Expression

    Genome-wide mapping of sister chromatid exchange events in single yeast cells using Strand-seq

    Clémence Claussin, David Porubský ... Michael Chang
    Genome-wide analysis of sister chromatid exchange using single-cell sequencing reveals that most spontaneous sister chromatid exchange events are not due to the repair of double-strand DNA breaks in wild-type yeast cells.
    1. Chromosomes and Gene Expression

    Inter-Fork Strand Annealing causes genomic deletions during the termination of DNA replication

    Carl A Morrow, Michael O Nguyen ... Matthew C Whitby
    The discovery of a mechanism that causes DNA deletions during non-canonical DNA replication termination is described.

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