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Author:

Zhao, Yifan (Zhao, Yifan.) | Gao, Jingfeng (Gao, Jingfeng.) | Wang, Zhiqi (Wang, Zhiqi.) | Dai, Huihui (Dai, Huihui.) | Wang, Yuwei (Wang, Yuwei.)

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EI Scopus SCIE PubMed

Abstract:

In present study, copper (Cu), zinc (Zn), tetracycline (TC) and ampicillin (AMP) were selected to study the in-dividual and synergistic effects of antibiotics and heavy metals on the microbial communities and resistance genes on polyvinyl chloride microplastics (PVC MPs) and surrounding sewage after 28 and 84 days. The results indicated that PVC MPs enriched many microorganisms from surrounding sewage, especially pathogenic bacteria such as Mycobacterium and Aquabacterium. The resistance gene with the highest abundance enriched on PVC MPs was tnpA (average abundance of 1.0 x 107 copies/mL sewage). The single presence of Zn, TC and AMP inhibited these enrichments for a short period of time (28 days). But the single presence of Cu and the co-existence of antibiotics and heavy metals inhibited these enrichments for a long period of time (84 days), resulting in relatively low microbial diversities and resistance genes abundances. Transpose tnpA had significantly positive correlations (p < 0.05) with all other genes. Pathogenic bacteria Mycobacterium and Legionella were potential hosts harboring 5 and 1 resistance genes, respectively. Overall, PVC MPs played important roles in the distribution and transfer of pathogenic bacteria and resistance genes in sewage with the presence of antibiotics or (and) heavy metals.

Keyword:

Microplastics Resistance genes Bacterial communities Antibiotics Heavy metals

Author Community:

  • [ 1 ] [Zhao, Yifan]Beijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment, Beijing 100124, Peoples R China
  • [ 2 ] [Gao, Jingfeng]Beijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment, Beijing 100124, Peoples R China
  • [ 3 ] [Wang, Zhiqi]Beijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment, Beijing 100124, Peoples R China
  • [ 4 ] [Dai, Huihui]Beijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment, Beijing 100124, Peoples R China
  • [ 5 ] [Wang, Yuwei]Beijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Gao, Jingfeng]Beijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment, Beijing 100124, Peoples R China

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Source :

JOURNAL OF HAZARDOUS MATERIALS

ISSN: 0304-3894

Year: 2021

Volume: 402

1 3 . 6 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:87

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 4

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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