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Quantitative detection of fecal contamination with domestic poultry feces in environments in China.


ABSTRACT: Poultry are an important source of fecal contamination in environments. However, tools for detecting and tracking this fecal contamination are in the early stages of development. In practice, we have found that source tracking methods targeting the 16S rRNA genes of poultry-specific microbiota are not sufficiently sensitive. We therefore developed two quantitative PCR assays for detection of poultry fecal contamination, by targeting chicken and duck mitochondrial genes: NADH dehydrogenase subunit 5 (ND5) and cytochrome b (cytb). The sensitivity of both assays was 100% when tested on 50 chicken and duck fecal samples from 10 provinces of China. These assays were also tested in field samples, including soil and water collected adjacent to duck farms, and soils fertilized with chicken manure. Poultry mitochondrial DNA was detected in most of these samples, indicating that the assays are a robust method for monitoring environmental contamination with poultry feces. Complemented with existing indicators of fecal contamination, these markers should improve the efficiency and accuracy of microbial source tracking.

SUBMITTER: Zhuang FF 

PROVIDER: S-EPMC5392188 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature

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Quantitative detection of fecal contamination with domestic poultry feces in environments in China.

Zhuang Fang-Fang FF   Li Hu H   Zhou Xin-Yuan XY   Zhu Yong-Guan YG   Su Jian-Qiang JQ  

AMB Express 20170414 1


Poultry are an important source of fecal contamination in environments. However, tools for detecting and tracking this fecal contamination are in the early stages of development. In practice, we have found that source tracking methods targeting the 16S rRNA genes of poultry-specific microbiota are not sufficiently sensitive. We therefore developed two quantitative PCR assays for detection of poultry fecal contamination, by targeting chicken and duck mitochondrial genes: NADH dehydrogenase subuni  ...[more]

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