Seasonal Fluctuation of Acanthamoeba spp. Contamination in Water Containers Placed Indoors and Outdoors

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概要

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• The medical importance of free living amebas has been increasing as a worldwide problem. In Japan amebic keratitis caused by Acanthamoeba has caught the attention of ophthalmologists due to increasing risk of infection for soft-contact lens users. In the present work we examined the process of Acanthamoeba contamination in water placed indoors and outdoors under different conditions in Nagasaki city, Japan. The most frequently contaminated water was in coverless outdoor containers in the spring, and the next was in similar conditions, but in the autumn. The highest contamination of indoor water in coverless containers was found in the summer although the frequency was much lower than outdoors. When the containers were covered, complete protection for water bodies from Acanthamoeba contamination was obtained indoors, and nearly complete outdoors. Electrophoretic patterns of mitocondrial DNA fragments digested by two restriction enzymes indicated that Acanthamoeba contaminants seemed to be season-specific although the number of examined isolates was very small.

• 長崎大学の論文

著者

• MIYAZAKI Toshio

  Department of Material-process Engineering & Applied Chemistry for Environmental, Faculty of Enginee

• Miyazaki Toshio

  Department Of Protozoology Institute Of Tropical Medicine Nagasaki University

• Yagita Kenji.

  Department of Parasitology, National Institute of Infectious Diseases

• Yagita Kenji.

  Department Of Parasitology National Institute Of Infectious Diseases

• Miyazaki Toshio

  Department Of Applied Microbiology Nippon Roche Research Center

• YAGITA Kenji

  Department of Parasitology , National Institute of Health

関連論文

• Triboelectrostatic Separation of ABS, PS and PP Plastic Mixture
• Seasonal Fluctuation of Acanthamoeba spp. Contamination in Water Containers Placed Indoors and Outdoors
• Drug Susceptibility of Acanthamoeba Isolated from 13 Japanese Patients with Acanthamoeba Keratitis
• Restriction Enzyme Analysis of Mitochondrial DNA of Acanthamoeba Strains Isolated from Corneal Lesions
• REMARKABLE INCREASE OF CYTOCHROME C OXIDASE SUBUNIT I AFTER GLOBAL CEREBRAL ISCHEMIA
• Detection and Genotype of Encephalitozoon cuniculi DNA from Urine and Feces of Pet Rabbits in Japan
• Ultrastructure and Chemical Analysis of the Cell Wall of Pythium debaryanum

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