Results 11 to 20 of about 36,777 (257)

Biological characteristics and pathogenicity of Acanthamoeba

Frontiers in Microbiology, 2023
Acanthamoeba is an opportunistic protozoa, which exists widely in nature and is mainly distributed in soil and water. Acanthamoeba usually exists in two forms, trophozoites and cysts. The trophozoite stage is one of growth and reproduction while the cyst
Yuehua Wang, Linzhe Jiang, Yitong Zhao, Xiaohong Ju, Le Wang, Liang Jin, Ryan D. Fine, Mingguang Li   +7 more
doaj   +2 more sources

A Systematic Review of Intracellular Microorganisms within Acanthamoeba to Understand Potential Impact for Infection

Pathogens, 2021
Acanthamoeba, an opportunistic pathogen is known to cause an infection of the cornea, central nervous system, and skin. Acanthamoeba feeds different microorganisms, including potentially pathogenic prokaryotes; some of microbes have developed ways of ...
Binod Rayamajhee, Dinesh Subedi, Hari Kumar Peguda, Mark Duncan Willcox, Fiona L. Henriquez, Nicole Carnt   +5 more
doaj   +2 more sources

The role of naturally acquired intracellular Pseudomonas aeruginosa in the development of Acanthamoeba keratitis in an animal model.

PLoS Neglected Tropical Diseases
BackgroundAcanthamoeba is an environmental host for various microorganisms. Acanthamoeba is also becoming an increasingly important pathogen as a cause of keratitis.
Binod Rayamajhee, Mark Willcox, Fiona L Henriquez, Ajay Kumar Vijay, Constantinos Petsoglou, Gauri Shankar Shrestha, Hari Kumar Peguda, Nicole Carnt   +7 more
doaj   +2 more sources

Contact lenses contamination by Acanthamoeba spp. in Upper Egypt.

PLoS ONE, 2021
BackgroundAcanthamoeba spp. are one of the free-living amoeba that spread worldwide causing keratitis. Owing to the increase in the use of lenses, whether for medical or cosmetic purposes, the incidence of disease increases every year.
Faten A M Hassan, M E M Tolba, Gamal H Abed, H M Omar, Sara S Abdel-Hakeem   +4 more
doaj   +2 more sources

Enhancing <i>Acanthamoeba</i> diagnostics: rapid detection of viable <i>Acanthamoeba</i> trophozoites and cysts using viability PCR assay. [PDF]

Microbiol Spectr
Acanthamoeba keratitis (AK) is a sight-threatening corneal infection that is challenging to diagnose and treat due to the resistance of Acanthamoeba to standard antimicrobial agents. Current detection methods have limitations. This study aimed to develop
Veugen JMJ, Savelkoul PHM, Nuijts RMMA, Dickman MM, Wolffs PFG.   +4 more
europepmc   +2 more sources

Acanthamoeba Keratitis, Pathology, Diagnosis and Treatment

Pathogens, 2021
Acanthamoeba keratitis is an unusual corneal infection that is recently increasing in frequency and is often contracted by contact lens wearers, someone who experienced recent eye trauma, or someone exposed to contaminated waters. Acanthamoeba survive in
Nicholas R. Fanselow, Nadia Sirajuddin, Xiao-tang Yin, A. Huang, P. Stuart   +4 more
semanticscholar   +1 more source

Assessment of genotypes, endosymbionts and clinical characteristics of Acanthamoeba recovered from ocular infection

BMC Infectious Diseases, 2022
Introduction Acanthamoeba is an emerging pathogen, infamous for its resilience against antiprotozoal compounds, disinfectants and harsh environments. It is known to cause keratitis, a sight-threatening, painful and difficult to treat corneal infection ...
B. Rayamajhee, Savitri Sharma, M. Willcox, F. Henriquez, R. N. Rajagopal, G. Shrestha, D. Subedi, Bhupesh Bagga, Nicole A. Carnt   +8 more
semanticscholar   +1 more source

Analysis of Acanthamoeba genotypes from public freshwater sources in Thailand reveals a new genotype, T23 Acanthamoeba bangkokensis sp. nov.

Scientific Reports, 2021
A survey of Acanthamoeba in 100 public freshwater sources in 28 provinces across Thailand has identified 9 genotypes comprising T2/6, T3-T5, T9, T11, T12, T18 and a novel ‘T23’ among 131 isolates.
C. Putaporntip, N. Kuamsab, Warisa Nuprasert, Rattanaporn Rojrung, Urassaya Pattanawong, T. Tia, Surasuk Yanmanee, S. Jongwutiwes   +7 more
semanticscholar   +1 more source

Survey and first report of Acanthamoeba T4 genotype in natural spring water resources in the Black Sea, Turkey

Journal of Water and Health, 2022
Infection with Acanthamoeba spp. may result in granulomatous amoebic encephalitis and Acanthamoeba keratitis. Water is an important habitat where Acanthamoeba species thrive.
Ulku Karaman, Zeynep Koloren, Panagiotis Karanis   +2 more
doaj   +1 more source

Challenges in Acanthamoeba Keratitis: A Review

Journal of Clinical Medicine, 2021
To review challenges in the diagnosis and management of Acanthamoeba keratitis (AK), along with prognostic factors, in order to help ophthalmologists avoid misdiagnosis, protracted treatment periods, and long-term negative sequelae, with an overarching ...
Giuseppe Varacalli, A. Di Zazzo, Tommaso Mori, Thomas H. Dohlman, Sara Spelta, M. Coassin, S. Bonini   +6 more
semanticscholar   +1 more source