نتایج جستجو برای: acanthamoeba t4

تعداد نتایج: 17307  

2012
M Rahdar M Niyyati M Salehi M Feghhi M Makvandi M Pourmehdi S Farnia

BACKGROUND Acanthamoeba spp. are free-living amoebae commonly found in the environmental sources such as water, soil, and air. This ubiquitous amoeba is the causative agent of amoebic keratitis (AK). The objective of the present study was to investigate the presence of Acanthamoeba spp. in water and soil sources in Ahvaz City, Khuzestan Province, southern Iran. METHODS In general, 110 samples...

2016
Azar Shokri Shahabeddin Sarvi Ahmad Daryani Mehdi Sharif

Acanthamoeba, a free-living amoeba, is widely distributed in the environment, water sources, soil, dust, and air. It can cause keratitis in contact lens wearers with poor hygiene and also fatal granulomatous amebic encephalitis (GAE) in immunocompromised hosts. The aim of this study was to gain some insights into the distribution and genotypes of the potentially pathogenic species of Acanthamoe...

Journal: :Journal of clinical microbiology 2009
Stephanie P Johnston Rama Sriram Yvonne Qvarnstrom Sharon Roy Jennifer Verani Jonathan Yoder Suchita Lorick Jacquelin Roberts Michael J Beach Govinda Visvesvara

Acanthamoebae are free-living amoebae found in the environment, including soil, freshwater, brackish water, seawater, hot tubs, and Jacuzzis. Acanthamoeba species can cause keratitis, a painful vision-threatening infection of the cornea, and fatal granulomatous encephalitis in humans. More than 20 species of Acanthamoeba belonging to morphological groups I, II, and III distributed in 15 genotyp...

Background and Aim: Acanthamoeba is a free-living amoebae commonly found in the environmental sources such as soil, water, and dust. This parasite is the causative agent of amoebic keratitis (AK). The objective of the present study was to investigate the presence of Acanthamoeba genotypes in water sources in Bojnurd City. Materials and Methods: Totally, 50 samples of water were taken from diffe...

2013
Hossein Hooshyar Bahram Hosseinbigi Mehrzad Saraei Safarali Alizadeh Mohammad Eftakhar Sima Rasti Nader Khosro-Shahi

The free living amoeba, Acanthamoeba spp are found and distributed in a wide variety of environmental sources including air, water, soil dust, vegetables as well as the skin, cornea, lung and brain of human (1). Isolation of Acanthamoeba cyst from environmental sources such as soil, fresh surface water and stagnant water have been showed that this environmental sources have potential importance...

2004
Gregory C. Booton Fernando Lares-Villa Daryl J. Kelly Paul A. Fuerst Thomas J. Byers

The nuclear small subunit ribosomal RNA (Rns) gene has been used in the last decade to establish genotypes of the genus Acanthamoeba based upon these sequences. In some cases direct sequencing of the Rns gene has resulted in mixed sequences, suggesting either a mixed culture of more than one Acanthamoeba strain or the presence of multiple alleles of this gene in a single Acanthamoeba strain. A ...

Journal: :iranian journal of parasitology 0
m. rahdar cellular and molecular research center, tropical and infectious diseases research center & department of parasitology, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran. m. niyyati department of parasitology and mycology, school of medicine, shahid beheshti university of medical sciences, tehran,iran. m. salehi cellular and molecular research center, tropical and infectious diseases research center & department of parasitology, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran. m. feghhi department of ophthalmology, imam khomeini hospital, ahvaz jundishapur university of medical sciences, ahvaz, iran. m. makvandi department of virology, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran. m. pourmehdi department of epidemiology and statistical, school of veterinary, shahid chamran university, ahvaz, iran.

b ackground: acanthamoeba spp . are free-living amoebae commonly found in the environmental sources such as water, soil, and air. this ubiquitous amoeba is the causative agent of amoebic kerati- tis (ak). the objective of the present study was to investigate the presence of acanthamoeba spp. in water and soil sources in ahvaz city, khuzestan province, southern iran. m ethods: in general, 110 sa...

Journal: :iranian journal of parasitology 0
maryam niyyati department of medical parasitology and mycology, school of medicine, shahid beheshti university of medical sciences, tehran, iran. firoozeh rahimi farabi hospital, tehran university of medical sciences, tehran, iran. zohreh lasejerdi department of medical parasitology and mycology, school of medicine, shahid beheshti university of medical sciences, tehran, iran. mostafa rezaeian department of parasitology and mycology, school of public health, tehran university of medical sciences, tehran, iran and center for research of endemic parasites of iran (crepi), tehran university of medical sciences, tehran, iran.

background: free-living amoebae (fla) including acanthamoeba spp. and hartmannella spp. are the causative agents of serious corneal infection especially within contact lens wearers. thus contact lenses and their storage case could be a suitable niche for potentially pathogenic amoebae. the main objective of the present study was to evaluate the contamination of contact lenses to free living amo...

2014
Maryam NIYYATI Firoozeh RAHIMI Zohreh LASEJERDI Mostafa REZAEIAN

BACKGROUND Free-living amoebae (FLA) including Acanthamoeba spp. and Hartmannella spp. are the causative agents of serious corneal infection especially within contact lens wearers. Thus contact lenses and their storage case could be a suitable niche for potentially pathogenic amoebae. The main objective of the present study was to evaluate the contamination of contact lenses to free living amoe...

Journal: :Acta tropica 2011
Li-Li Chan Joon-Wah Mak Yoon-Tong Low Thuan-Tzen Koh Init Ithoi Shar Mariam Mohamed

During a study on the quality of the indoor environment, Acanthamoeba spp. were detected in 20 out of 87 dust samples collected from air-conditioners installed in a four-story campus building located in Kuala Lumpur, Malaysia. Twenty-one cloned Acanthamoeba isolates designated as IMU1 to IMU21 were established from the positive primary cultures. Five species were identified from the 16 isolates...

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