All columnaris disease articles

  • Delistes_luxatus_gills_usgs
    News

    Starvation triggers reversible epigenetic changes in fish pathogen

    2026-06-02T09:23:00Z

    What happens to a bacterial pathogen when food runs out—for several months? A new study  reveals that Flavobacterium columnare, a deadly aquatic pathogen responsible for columnaris disease in fish, does not change its DNA sequence during prolonged starvation. Instead, it remodels its epigenetic landscape.