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Interaction between typical sulfonamides and bacterial diversity in drinking water

Qing Wu1, Shuqun Li1, Xiaofei Zhao1

  • 1School of Environmental Science and Engineering, Tianjin University, Tianjin, China

Journal of Water and Health
|December 13, 2018
PubMed

Insights

Antibiotic pollution from sulfamerazine (SM1) and sulfamethoxazole (SMZ) significantly alters drinking water microbial communities, reducing diversity and inducing resistance genes like sul2.

Area of Science:

  • Environmental Science
  • Microbiology
  • Ecotoxicology

Background:

  • Antibiotic overuse leads to widespread environmental contamination.
  • Sulfamerazine (SM1) and sulfamethoxazole (SMZ) are frequently detected in various environments.
  • Understanding their impact on drinking water microbial communities is crucial.

Purpose of the Study:

  • To investigate the effects of SM1 and SMZ on the bacterial diversity in drinking water.
  • To analyze the changes in microbial community structure and function.

Main Methods:

  • Treatment of drinking water samples with SM1 and SMZ at four different concentrations.
  • Analysis of microbial community structure using molecular techniques.
  • Detection of specific resistance genes.

Main Results:

  • Statistically significant changes in microbial community structure were observed.
  • Bacterial growth inhibition and reduced microbial diversity in drinking water.
  • Induction of the sul2 resistance gene by SM1 was detected.

Conclusions:

  • SM1 and SMZ significantly impact drinking water microbial ecology.
  • Bacterial community composition may influence antibiotic degradation.
  • The induction of resistance genes poses a public health concern.

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