Integrated PCR-Based Molecular Detection System for the Simultaneous Detection of Four Zoonotic Intestinal Parasites...

Area of Science:

• Veterinary Parasitology
• Molecular Diagnostics
• One Health Research

Background:

• Zoonotic intestinal parasites like Cryptosporidium, Enterocytozoon bieneusi, Blastocystis, and Giardia pose significant global health and economic threats.
• Existing epidemiological studies often use single detection targets, leading to low detection and high missing rates for these emerging infectious diseases.

Purpose of the Study:

• To establish an integrated molecular detection system for simultaneous detection of four key zoonotic intestinal parasites.
• To provide efficient technical support for routine parasite detection across animal-environment interfaces and surveillance facilities.

Main Methods:

• Developed a combined polymerase chain reaction (PCR) system targeting multiple genetic segments for simultaneous parasite detection.
• Tested the system on samples from wild mice, companion pets (cats and dogs), and livestock (cattle and sheep).
• Confirmed target sequences using Sanger sequencing.

Main Results:

• A combination of PCR tests significantly enhanced detection capacity compared to single PCR tests for Enterocytozoon bieneusi and Giardia.
• The integrated system demonstrated improved positive detection rates for specific parasites in tested animal populations.
• Sanger sequencing validated the accuracy of the molecular detection system.

Conclusions:

• The integrated molecular detection system offers enhanced sensitivity and efficiency for surveillance of zoonotic intestinal parasites.
• This system facilitates monitoring of infection status, distribution, and evolution, aiding early warning systems.
• The developed technology supports the One Health goal by bridging human, animal, and environmental health surveillance.