Environmental Temperature Controls Cryptosporidium Oocyst Metabolic Rate and Associated Retention of Infectivity
نویسندگان
چکیده
منابع مشابه
An Integrated Cryptosporidium Assay to Determine Oocyst Density, Infectivity
12 Cryptosporidium continues to be problematic for the water industry, with risk assessments 13 often indicating that treatment barriers may fail under extreme conditions. However, risk 14 analyses have historically used oocyst densities and not considered either oocyst infectivity or 15 species/genotype, which can result in an overestimation of risk if the oocysts are not human 16 infective. W...
متن کاملIntegrated cryptosporidium assay to determine oocyst density, infectivity, and genotype for risk assessment of source and reuse water.
Cryptosporidium continues to be problematic for the water industry, with risk assessments often indicating that treatment barriers may fail under extreme conditions. However, risk analyses have historically used oocyst densities and not considered either oocyst infectivity or species/genotype, which can result in an overestimation of risk if the oocysts are not human infective. We describe an i...
متن کاملInfectivity and neutralization of Cryptosporidium parvum sporozoites.
Cryptosporidiosis, a diarrheal disease of calves and humans caused by the coccidian parasite Cryptosporidium parvum, is terminated in hosts with normal immune systems. To assess the mechanisms of immunity in cryptosporidiosis, it is necessary to isolate and quantitate sporozoites, the infective stage of Cryptosporidium spp. Here we report the (i) separation of infective C. parvum oocysts from c...
متن کاملIsolation of Cryptosporidium parvum Oocyst From Infected Feces
Introduction Cryptosporidium is a genus of Apicomplexa phylum parasites that can cause a respiratory and gastrointestinal illness (cryptosporidiosis) that primarily involves watery diarrhea (intestinal cryptosporidiosis) with or without a persistent cough (respiratory cryptosporidiosis) in both immunocompetent and immunodeficient humans (1-3). A number of Cryptosporidium species infect mammals ...
متن کاملIsolation of Small Number of Cryptosporidium parvum Oocyst Using Immunochromatography
BACKGROUND Cryptosporidium parvum causes severe gastroenteritis in immunocompromised human and new borne animals. The organism can be transmitted through water. Since small number of C. parvum is infectious, the aim of the present study was to develop a chromatography method for the isolation of C. parvum oocyst in samples with limited number of oocysts. METHODS Antibody was prepared against ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Applied and Environmental Microbiology
سال: 2005
ISSN: 0099-2240,1098-5336
DOI: 10.1128/aem.71.7.3848-3857.2005