Free-living amoebae (FLA) in the Amoebozoa group are important causes of disease in humans and animals. Scanning Electron Micrograph (SEM) of a laboratory-grown potable (drinking) water biofilm, with the presence of Vermamoeba vermiformis (Hartmanella) cysts. Aquatic bacteria were grown as biofilm on steel for one week. V. vermiformis were then added, and phagocytized the bacteria that multiplied within vesicles that became cysts in which the bacteria will live until they rupture. Vermamoeba vermiformis a free-living amoeba (FLA), is widespread in nature and has been isolated from soil, freshw
Free-living amoebae (FLA) in the Amoebozoa group are important causes of disease in humans and animals. Scanning Electron Micrograph (SEM) of a laboratory-grown potable (drinking) water biofilm, with the presence of Vermamoeba vermiformis (Hartmanella) cysts. Aquatic bacteria were grown as biofilm on steel for one week. V. vermiformis were then added, and phagocytized the bacteria that multiplied within vesicles that became cysts in which the bacteria will live until they rupture. Vermamoeba vermiformis a free-living amoeba (FLA), is widespread in nature and has been isolated from soil, freshwater, air, and a variety of engineered water systems. Two distinct life cycle forms are known for Vermamoeba vermiformis, the trophozoite, an active feeding cell that also multiplies, and cysts, which are inactive dormant cells. V. vermiformis has direct and indirect public health significance. The indirect public health significance of the organism is related to its role as a host for Legionella pneumophila, the causative agent of Legionnaires' disease. Magnification: 3592x.
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Photo credit: © Photo Researchers / Alamy / Afripics
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Keywords: ., amoeba, amoebae, amoebozoa, animals, aquatic, bacteria, biofilm, bw, cells, cysts, disease, dormant, drinking, electron, em, eukaryote, fla, free-living, group, hartmannella, histopathology, host, humans, important, inactive, laboratory-grown, legionella, legionnaires, micrograph, microorganism, microscopic, organism, pathogen, pneumophila, potable, prokaryote, scanning, sem, single-celled, vermamoeba, vermiformis, water
