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Related Concept Videos

Giardiasis01:12

Giardiasis

Giardiasis is a globally prevalent intestinal infection caused by the protozoan parasite Giardia duodenalis (also known as G. lamblia or G. intestinalis). This flagellated protozoan is the most frequently identified intestinal parasite in the United States and worldwide. Transmission primarily occurs via the fecal-oral route, with infection arising from ingestion of water or food contaminated with cysts. Individuals in low-resource settings, international travelers, outdoor enthusiasts, daycare...
Fungal Phylum Microsporidia01:28

Fungal Phylum Microsporidia

Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...
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Amebiasis

Entamoeba histolytica, a protozoan parasite, is responsible for intestinal and extraintestinal amebiasis. Though a significant proportion of infections remain asymptomatic, approximately 50 million individuals annually are estimated to present with clinical disease, resulting in up to 100,000 deaths globally. The disease burden is disproportionately high in regions with lower socioeconomic status, such as parts of India, Africa, Mexico, and Latin America.Etiology and TransmissionThe infective...
Toxoplasmosis01:28

Toxoplasmosis

Toxoplasmosis, a zoonotic disease caused by the protozoan Toxoplasma gondii, poses significant public health challenges globally due to its high seroprevalence and varied clinical manifestations. As an obligate intracellular parasite, T. gondii can infect all warm-blooded vertebrates, but felids are its only definitive hosts, shedding unsporulated oocysts into the environment. Humans typically acquire the infection through ingestion of tissue cysts in undercooked meat or oocysts from...
Cryptococcal Meningitis01:27

Cryptococcal Meningitis

Cryptococcal meningitis is a life-threatening opportunistic infection predominantly associated with HIV/AIDS, accounting for over 100,000 deaths annually worldwide. However, it also affects individuals with other forms of immunosuppression, including those undergoing immunosuppressive therapy, organ transplant recipients, patients with innate immunodeficiencies, and individuals with hematological disorders. The infection is caused mainly by Cryptococcus neoformans and Cryptococcus gattii,...
Diversity of Protists II01:27

Diversity of Protists II

Alveolates are a group of organisms recognized by the presence of alveoli, which are cytoplasmic sacs located beneath the cell membrane. While their function remains uncertain, alveoli may help regulate water balance by controlling how much water enters and leaves the cell. In dinoflagellates, these structures may serve as armor plates. There are three major types of alveolates: ciliates, which move using cilia; dinoflagellates, which use flagella for movement; and apicomplexans, which are...

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Studying Cryptosporidium Infection in 3D Tissue-derived Human Organoid Culture Systems by Microinjection
05:31

Studying Cryptosporidium Infection in 3D Tissue-derived Human Organoid Culture Systems by Microinjection

Published on: September 14, 2019

Cryptosporidiosis in developing countries.

William J Snelling1, Lihua Xiao, Guadalupe Ortega-Pierres

  • 1Centre for Molecular Biosciences, School of Biomedical Sciences, University of Ulster, Coleraine, Co. Londonderry, Northern Ireland. b.snelling@ulster.ac.uk

Journal of Infection in Developing Countries
|September 8, 2009
PubMed
Summary
This summary is machine-generated.

Cryptosporidium infection is a major global health issue causing diarrhoea. Molecular tools enhance epidemiological data, improving future control through better risk assessments.

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A Modified EPA Method 1623 that Uses Tangential Flow Hollow-fiber Ultrafiltration and Heat Dissociation Steps to Detect Waterborne Cryptosporidium and Giardia spp.
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A Modified EPA Method 1623 that Uses Tangential Flow Hollow-fiber Ultrafiltration and Heat Dissociation Steps to Detect Waterborne Cryptosporidium and Giardia spp.

Published on: July 9, 2012

Related Experiment Videos

Last Updated: Jun 20, 2026

Studying Cryptosporidium Infection in 3D Tissue-derived Human Organoid Culture Systems by Microinjection
05:31

Studying Cryptosporidium Infection in 3D Tissue-derived Human Organoid Culture Systems by Microinjection

Published on: September 14, 2019

A Modified EPA Method 1623 that Uses Tangential Flow Hollow-fiber Ultrafiltration and Heat Dissociation Steps to Detect Waterborne Cryptosporidium and Giardia spp.
12:11

A Modified EPA Method 1623 that Uses Tangential Flow Hollow-fiber Ultrafiltration and Heat Dissociation Steps to Detect Waterborne Cryptosporidium and Giardia spp.

Published on: July 9, 2012

Area of Science:

  • Environmental microbiology
  • Public health
  • Infectious diseases

Background:

  • Cryptosporidium infection is a significant global health concern, causing diarrhoea in immunocompromised and immunocompetent individuals.
  • Persistent diarrhoea linked to Cryptosporidium is a leading cause of mortality in children under five in developing nations, responsible for 30-50% of deaths.

Purpose of the Study:

  • To highlight the importance of molecular tools in improving Cryptosporidium epidemiological surveillance.
  • To emphasize the potential of enhanced monitoring for better understanding and control of Cryptosporidium transmission.

Main Methods:

  • The abstract discusses the increasing use of molecular tools in epidemiological investigations.
  • It advocates for comprehensive monitoring using molecular methods in various environmental and host sources.

Main Results:

  • Molecular tools significantly enhance the quality of epidemiological information on Cryptosporidium.
  • Improved monitoring is expected to increase knowledge of infection and transmission patterns.

Conclusions:

  • Enhanced Cryptosporidium monitoring using molecular methods in surface water, livestock, wildlife, and humans is crucial.
  • This approach will facilitate improved risk assessments and contribute to the future control of Cryptosporidium infections.