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Potential Transmission Sources of Infection: Detection of in Various Environmental Samples

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Publisher Springer
Date 2019 Jul 20
PMID 31321040
Citations 8
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Abstract

Purpose: is one of the most common human infectious agents which may be transmitted via water. This study was designed to test presence via molecular methods in various aquatic environments as well as sewage sludge (SS) to understand the role of these environments in the pathogen's transmission.

Methods: specific primers for the 16S rRNA and A genes of were used in a nested and semi-nested PCR, respectively. Detection sensitivity of in environmental samples by semi-nested PCR was also compared with real-time PCR. Analysis of fecal coliforms (FC) as pollution indicator bacteria was also performed.

Results: 16S rRNA gene was detected in 36% (14/39) of wastewater samples and 8% (2/25) of water samples, while amplification of A gene yielded only two positive result. None of the SS samples were positive for and real-time PCR could not identify in any of the samples. The results showed no correlation between the presence of and FC.

Conclusions: Our result revealed the widespread presence of in wastewater samples which indicates wastewater may be a source for dissemination and transmission of infection. Further research is needed to determine the risk of in wastewater reuse for irrigation of crops.

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