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Bacterial endosymbionts of free-living amoebae.
The Journal of eukaryotic microbiology, 2004The occurrence of bacterial endosymbionts in free-living amoebae has been known for decades, but their obligate intracellular lifestyle hampered their identification. Application of the full cycle rRNA approach, including 16S rRNA gene sequencing and fluorescence in-situ hybridization with 16S rRNA-targeted oligonucleotide probes, assigned the ...
Horn, Matthias, Wagner, Michael
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Epidemiology of Pathogenic Free-living Amoeba
International Journal of TROPICAL DISEASE & Health, 2022Free-living amoeba (FLA) is a free living parasitic organism which have the capability to infect human and attack various vital organs e.q., the central nervous system, eyes, skin, nose, lungs and kidneys; depending on which organ is reached. When it comes to the central nervous system, this disease is very fatal and potentially lethal because the ...
Lilly Haslinda, Esy Maryanti
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Free‐living amoebae: pathogenicity and immunity
Parasite Immunology, 1991Summary Free‐living amoebae cause three well‐defined disease entities: (i) primary amoebic meningoencephalitis. caused by Naegleria fowleri, (ii) granulomatous amoebic encephalitis and (iii) chronic amoebic keratitis, caused by species of Acanthamoeba.
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Vermamoeba vermiformis: a Free-Living Amoeba of Interest
Microbial Ecology, 2018Free-living amoebae are protists that are widely distributed in the environment including water, soil, and air. Although the amoebae of the genus Acanthamoeba are still the most studied, other species, such as Vermamoeba vermiformis (formerly Hartmannella vermiformis), are the subject of increased interest.
Vincent Delafont +3 more
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Polyamines biosynthesis and oxidation in free-living amoebae
Amino Acids, 2004In this paper we describe the polyamine biosynthesis and oxidation processes, giving an overview about recent results in free-living Amoebae. The protozoa polyamine levels are different in comparison with mammalian cells. Also, the polyamine levels in protozoa cells change if these species are pathological or not for the human beings.
RUGGERI, Pietro Antonio +5 more
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Nasal Carriage of Free-Living Amoebae [PDF]
Microbial Ecology in Health and Disease, 1988 South Australia has had a relatively high frequency of human disease caused by free-living amoebae. The prevalence of these organisms in the nasal mucosa of 262 asymptomatic adult volunteers was determined. Acanthamoeba was isolated from six (2.3 per cent) subjects. This carriage rate is not high in comparison to other studies. Keywords: Free-living
P. R. Badenoch +5 more
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Viruses in close associations with free-living amoebae
Parasitology Research, 2015As both groups of organisms, free-living amoebae (FLA) and viruses, can be found in aquatic environments side by side, it appears obvious that there are multiple interactions with respect to host-endocytobiont relationships. Several relationships between viruses and protozoan hosts are described and it was the discovery of the so called "giant viruses,"
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OBSERVATIONS ON THE CULTURE AND MAINTENANCE OF A FREE-LIVING AMOEBA
Canadian Journal of Microbiology, 1956A free-living amoeba isolated from creek water could be grown at 24 °C. on a solid malt agar medium together with a pure culture of a motile Gram-negative bacillus, isolated from the same sample of water. The bacilli apparently served as the sole source of food for the trophozoites, the malt in the medium being-utilized by the bacilli for their own ...
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The biochemical composition of the free-living Amoebae Chaos chaos, amoeba dubia and Amoeba proteus
Comparative Biochemistry and Physiology, 1968Abstract 1. 1. The biochemical compositions of the free-living amoebae Chaos chaos, Amoeba dubia , and Amoeba proteus were determined. 2. 2. The percentages of protein, phospholipid and RNA per dry weight were different in each species. 3. 3.
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