What does this research mean for the field?

A newly developed multiplex qPCR eDNA assay can sensitively detect the intermediate snail host Neotricula aperta in field water samples, offering a viable tool to overcome the seasonal limitations of traditional malacological surveys. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This study aims to develop and evaluate a multiplex qPCR assay for detecting Schistosoma mekongi and Neotricula aperta in environmental samples.

June 6, 2026Infectious Diseases of PovertyOpen Access

Development and field evaluation of a multiplex qPCR assay for environmental DNA detection of Schistosoma mekongi and its intermediate snail host Neotricula aperta in the Mekong River Basin

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Authors

JHJian He PAPeter S. Andrus SPSengrloun Phonekeo

Discussion

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Overview

Randomized trial evaluates environmental DNA detection of schistosomiasis in the Mekong River, indicating improved monitoring methods.

Key Points

This study aims to develop and evaluate a multiplex qPCR assay for detecting Schistosoma mekongi and Neotricula aperta in environmental samples.
Developed multiplex qPCR assays targeting S. mekongi and N. aperta.
Conducted field validation across 20 sites during the dry and wet seasons in Laos.
Assessed method agreement using Cohen’s kappa coefficient and evaluated associations with physicochemical variables.
Multiplex qPCR assay demonstrated high sensitivity with detection limits of 5 and 6 copies/μl for N. aperta and S. mekongi, respectively.
Field eDNA analysis reported 90% N. aperta positivity in dry season, with moderate agreement with malacological surveys (κ = 0.44; p = 0.01).
S. mekongi was detected in laboratory conditions but not in field samples, consistent with the absence of infected snails.

Cite This Study

He et al. (2026) studied this question.

synapsesocial.com/papers/6a23ba3c71a5da9775e75ffd https://doi.org/10.1186/s40249-026-01466-1

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June 6, 2026Infectious Diseases of PovertyOpen Access

Development and field evaluation of a multiplex qPCR assay for environmental DNA detection of Schistosoma mekongi and its intermediate snail host Neotricula aperta in the Mekong River Basin

View Full Paper

Ask AI

Bookmark

Authors

JHJian He PAPeter S. Andrus SPSengrloun Phonekeo

Discussion

Member takes

Overview

Randomized trial evaluates environmental DNA detection of schistosomiasis in the Mekong River, indicating improved monitoring methods.

Key Points

This study aims to develop and evaluate a multiplex qPCR assay for detecting Schistosoma mekongi and Neotricula aperta in environmental samples.
Developed multiplex qPCR assays targeting S. mekongi and N. aperta.
Conducted field validation across 20 sites during the dry and wet seasons in Laos.
Assessed method agreement using Cohen’s kappa coefficient and evaluated associations with physicochemical variables.
Multiplex qPCR assay demonstrated high sensitivity with detection limits of 5 and 6 copies/μl for N. aperta and S. mekongi, respectively.
Field eDNA analysis reported 90% N. aperta positivity in dry season, with moderate agreement with malacological surveys (κ = 0.44; p = 0.01).
S. mekongi was detected in laboratory conditions but not in field samples, consistent with the absence of infected snails.

Cite This Study

He et al. (2026) studied this question.

synapsesocial.com/papers/6a23ba3c71a5da9775e75ffd https://doi.org/10.1186/s40249-026-01466-1

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