ArticleThe Korean journal of parasitology2007
Molecular characterization of bacterial endosymbionts of Acanthamoeba isolates from infected corneas of Korean patients.
Article in The Korean journal of parasitology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 25 citations in OpenAlex.
- Presence and diversity of free-living amoebae and their potential application as water quality indicators.Parasites, hosts and diseases · 2024Article
- Proteases of Acanthamoeba.Parasitology research · 2023Review
- The life cycle-dependent transcriptional profile of the obligate intracellular amoeba symbiont Amoebophilus asiaticus.FEMS microbiology ecology · 2022Article
- A Systematic Review of Intracellular Microorganisms withinPathogens (Basel, Switzerland) · 2021Review
- Molecular identification of bacterial endosymbionts of Sappinia strains.Parasitology research · 2017Article
- Identification of Paenibacillus as a Symbiont in Acanthamoeba.Current microbiology · 2015Article
- Acanthamoeba castellanii cysts: new ultrastructural findings.Parasitology research · 2013Article
- Functional expression and characterization of an iron-containing superoxide dismutase of Acanthamoeba castellanii.Parasitology research · 2012Article
- A bacterial genome in transition--an exceptional enrichment of IS elements but lack of evidence for recent transposition in the symbiont Amoebophilus asiaticus.BMC evolutionary biology · 2011Article
- Detection of bacterial endosymbionts in clinical acanthamoeba isolates.Ophthalmology · 2010Article
- Diversity of bacterial endosymbionts of environmental acanthamoeba isolates.Applied and environmental microbiology · 2008Article
- Keratitis by Acanthamoeba triangularis: report of cases and characterization of isolates.The Korean journal of parasitology · 2008Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The endosymbionts of 4 strains of Acanthamoeba (KA/E9, KA/E21, KA/E22, and KA/E23) isolated from the infected corneas of Korean patients were characterized via orcein stain, transmission electron microscopic examination, and 16S rDNA sequence analysis. Double membrane-bound, rod-shaped endosymbionts were distributed randomly throughout both the trophozoites and cysts of each of Acanthamoeba isolates. The endosymbionts of KA/E9, KA/E22, and KA/E23 were surrounded by electron-translucent areas. No lacunae-like structures were observed in the endosymbionts of KA/E21, the bacterial cell walls of which were studded with host ribosomes. Comparative analyses of the 16S rDNA sequences showed that the endosymbionts of KA/E9, KA/E22 and KA/E23 were closely related to Caedibacter caryophilus, whereas the KA/E21 endosymbiont was assigned to the Cytophaga-Flavobacterium-Bacteroides (CFB) phylum. In the 4 strains of Acanthamoeba, the hosts of the endosymbionts were identified as belonging to the Acanthamoeba castellanii complex, which corresponds to the T4 genotype. Acanthamoeba KA/E21 evidenced characteristics almost identical to those of KA/E6, with the exception of the existence of endosymbionts. The discovery of these endosymbionts from Acanthamoeba may prove essential to future studies focusing on interactions between the endosymbionts and the amoebic hosts.
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