中文版 | English
Title

Structure and function response of bacterial communities towards antibiotic contamination in hyporheic zone sediments

Author
Corresponding AuthorLiu,Chongxuan
Publication Years
2022-12-01
DOI
Source Title
ISSN
0045-6535
EISSN
1879-1298
Volume309
Abstract
Bacterial communities are crucial for processing and degrading contaminants in hyporheic zones (HZ). However, the effects of antibiotics on HZ bacterial communities have seldom been addressed. Here, using MiSeq 16S amplicon sequencing technology, the effects of acute exposure to Enrofloxacin, Sulfathiazole, Tetracycline hydrochloride, and Penicillin V potassium on HZ bacterial communities were investigated. Results revealed that HZ sediment communities responded differently to different classes of antibiotics, reflecting the distinct selection stress of antibiotics on HZ bacterial communities. Besides, HZ communities from the locations with more severe antibiotic contamination backgrounds (∼150 μg kg) were more resistant towards antibiotic treatment. Compared with small/non-significant changes in HZ community diversity and composition treated with ng L∼ug L level antibiotics compared to the control group, treatments with antibiotics over mg L level significantly reduced the diversity and changed the structures of HZ bacterial communities, and enhanced the resistance of the community to antibiotics by enriching antibiotic resistant bacteria. The exposure to mg L level antibiotics also changed community functions by restricting the growth of functional bacteria, such as ammonia oxidizing bacteria (AOB) Nitrosomonas, resulting in ammonia accumulation in sediments. The results implied that at field-relevant concentrations, there was no or minor effect of antibiotics on HZ bacterial community structure and functions, and only those areas with high antibiotic concentrations would have effects.
Keywords
URL[Source Record]
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Language
English
SUSTech Authorship
First ; Corresponding
Funding Project
Guangdong Science and Technology Department[2017ZT07Z479];National Natural Science Foundation of China[41830861];National Natural Science Foundation of China[41907359];
WOS Research Area
Environmental Sciences & Ecology
WOS Subject
Environmental Sciences
WOS Accession No
WOS:000868269300008
Publisher
ESI Research Field
ENVIRONMENT/ECOLOGY
Scopus EID
2-s2.0-85139299075
Data Source
Scopus
Citation statistics
Cited Times [WOS]:1
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/406164
DepartmentSchool of Environmental Science and Engineering
Affiliation
1.State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution Control,School of Environmental Science and Engineering,Southern University of Science and Technology,Shenzhen,518055,China
2.Shenzhen Key Laboratory of Environmental Chemistry and Ecological Remediation,College of Chemistry and Environmental Engineering,Shenzhen University,Shenzhen,518060,China
First Author AffilicationSchool of Environmental Science and Engineering
Corresponding Author AffilicationSchool of Environmental Science and Engineering
First Author's First AffilicationSchool of Environmental Science and Engineering
Recommended Citation
GB/T 7714
Zhang,Lili,Zhang,Antai,Yang,Yitong,et al. Structure and function response of bacterial communities towards antibiotic contamination in hyporheic zone sediments[J]. CHEMOSPHERE,2022,309.
APA
Zhang,Lili,Zhang,Antai,Yang,Yitong,Zhang,Cheng,Lian,Keting,&Liu,Chongxuan.(2022).Structure and function response of bacterial communities towards antibiotic contamination in hyporheic zone sediments.CHEMOSPHERE,309.
MLA
Zhang,Lili,et al."Structure and function response of bacterial communities towards antibiotic contamination in hyporheic zone sediments".CHEMOSPHERE 309(2022).
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