948 results found
    1. Chromosomes and Gene Expression

    Super-resolution imaging of a 2.5 kb non-repetitive DNA in situ in the nuclear genome using molecular beacon probes

    Yanxiang Ni, Bo Cao ... Hanben Niu
    Molecular beacon based FISH shows the capability of visualizing a 2.5 kb non-repetitive genomic DNA sequence in situ in human or mouse nuclear genome at super resolution.
    1. Genetics and Genomics

    Firefly genomes illuminate parallel origins of bioluminescence in beetles

    Timothy R Fallon, Sarah E Lower ... Jing-Ke Weng
    The first genomic view of beetle luciferase evolution indicates evolutionary independence of luciferase between fireflies and click-beetles, and provide valuable datasets which will accelerate the discovery of new biotechnological tools.
    1. Evolutionary Biology
    2. Genetics and Genomics

    The whale shark genome reveals patterns of vertebrate gene family evolution

    Milton Tan, Anthony K Redmond ... Timothy Read
    The new whale shark genome assembly represents the best gapless chondrichthyan genome assembly yet, and comparative genomic analyses provide insights into the evolution of vertebrate genome origins, immunity, and gigantism.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    RNA from a simple-tandem repeat is required for sperm maturation and male fertility in Drosophila melanogaster

    Wilbur Kyle Mills, Yuh Chwen G Lee ... Gary H Karpen
    Sperm production and male fertility in Drosophila melanogaster depend on transcripts generated from the AAGAG(n) repeated satellite DNA within primary spermatocytes.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Structure of the germline genome of Tetrahymena thermophila and relationship to the massively rearranged somatic genome

    Eileen P Hamilton, Aurélie Kapusta ... Robert S Coyne
    The model organism Tetrahymena thermopile carries two nuclei with distinct genomes: an unrearranged germline genome with five chromosomes, and a somatic genome reduced in size by a third and with 181 chromosomes.
    1. Epidemiology and Global Health
    2. Microbiology and Infectious Disease

    In-host population dynamics of Mycobacterium tuberculosis complex during active disease

    Roger Vargas, Luca Freschi ... Maha Reda Farhat
    Bulk whole genome sequencing data can be used to study the genetic variation present in pathogenic bacterial populations over the time-course of a single infection within a host.
    1. Plant Biology

    Non-canonical RNA-directed DNA methylation participates in maternal and environmental control of seed dormancy

    Mayumi Iwasaki, Lena Hyvärinen ... Luis Lopez-Molina
    Seed-specific and cold-induced DNA methylation is deposited in the seed progeny to form a transient and transgenerational memory of past environmental conditions to optimize seed germination timing.
    1. Cancer Biology
    2. Cell Biology

    Topological stress triggers persistent DNA lesions in ribosomal DNA with ensuing formation of PML-nucleolar compartment

    Alexandra Urbancokova, Terezie Hornofova ... Pavla Vasicova
    Chemotherapeutics altering DNA topology evoke RNA polymerase I inhibition, rDNA damage and consequent formation of PNAs that segregate persistent rDNA lesions from the active nucleolus, with implications for rDNA maintenance and design of new cancer treatment strategies targeting rDNA repair.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Unique structure and positive selection promote the rapid divergence of Drosophila Y chromosomes

    Ching-Ho Chang, Lauren E Gregory ... Amanda M Larracuente
    Differences in the usage of DNA repair pathways may give rise to the unique patterns of Y-linked mutations that, together with natural selection, shape rapid Y chromosome evolution.
    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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