Profiles and potential mobility of antibiotic resistance genes in different bioelectrochemistry-enhanced constructed wetlands

生物电化学 流出物 质粒 基因组 基因 微生物学 化学 基质(水族馆) 生物 生态学 环境工程 环境科学 遗传学 物理化学 电极 电化学
作者
Xiaohui Liu,Maozhen Han,Ying Liu,Zimeng Zhang,Shaoyong Lu,Xiaochun Guo,Beidou Xi,Fengchang Wu
出处
期刊:Chemical Engineering Journal [Elsevier BV]
卷期号:450: 138005-138005 被引量:21
标识
DOI:10.1016/j.cej.2022.138005
摘要

Antibiotic resistance genes (ARGs) in aquatic environments have been highlighted on a global scale because of their risks to public health. Bioelectrochemistry-enhanced constructed wetlands have great potential for reducing the abundance of ARGs. However, the profiles of ARGs and their mobility in different bioelectrochemistry [microbial fuel cell (MFC) and micro direct current (EC)]-enhanced constructed wetlands (CW) are unclear. In this study, the occurrence of sulfonamide resistance genes (sul ARGs) in effluent and substrate and their potential mobility and hosts in MFC-CWs and EC-CW were determined by quantitative PCR and metagenomics approach under the continuous input of sulfamethoxazole (SMX). The results showed that the relative abundance (RA) of sul ARGs in the effluent and the lower substrate layer were decreased by bioelectrochemical technology owing to high SMX removal and the expansion of bacteria without ARGs. However, the RA of sul ARGs in the EC-CW was higher than that in the MFC-CW. Based on metagenomic analysis, SMX promoted the co-selection of the non-corresponding types of ARGs and corresponding types of sul ARGs in the EC-CW and MFC-CW, and ARGs mediated by plasmids were more prevalent than those encoded in chromosomes. Bacitracin ARGs and sul ARGs were the dominant types, and the dominant subtypes of ARGs in the EC-CW and MFC-CW were similar, with only sul1 showing significant difference (p < 0.01). An obvious difference in the proliferation and mobility of ARGs between the EC-CW and MFC-CW was observed. The abundance of dominant hosts for sul ARGs and the distribution of ARGs and mobile genetic elements might result in differences in sul ARGs in the EC-CW and MFC-CW.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
zq发布了新的文献求助10
刚刚
韭黄发布了新的文献求助10
1秒前
她的城完成签到,获得积分0
1秒前
单薄的钢笔完成签到,获得积分10
3秒前
568923完成签到,获得积分10
5秒前
Grace159完成签到 ,获得积分10
8秒前
咖啡博士发布了新的文献求助10
10秒前
彦祖i学术完成签到,获得积分10
12秒前
zq完成签到,获得积分20
13秒前
HY完成签到,获得积分10
14秒前
不再挨训完成签到 ,获得积分10
15秒前
学术乞丐完成签到,获得积分20
17秒前
咖啡博士完成签到,获得积分10
18秒前
韭黄发布了新的文献求助10
19秒前
Singularity完成签到,获得积分0
21秒前
JamesPei应助zq采纳,获得10
22秒前
所所应助韭黄采纳,获得10
26秒前
江霭完成签到,获得积分10
29秒前
鲤鱼青槐完成签到,获得积分10
38秒前
量子星尘发布了新的文献求助10
39秒前
42秒前
缥缈的冰旋完成签到,获得积分10
42秒前
48秒前
49秒前
ailemonmint完成签到 ,获得积分10
49秒前
50秒前
玉ER完成签到,获得积分10
51秒前
52秒前
四十四次日落完成签到 ,获得积分10
52秒前
科研通AI2S应助羊二呆采纳,获得10
52秒前
英吉利25发布了新的文献求助10
54秒前
55秒前
水晶茶杯发布了新的文献求助10
56秒前
欢欢完成签到,获得积分10
57秒前
茯苓完成签到 ,获得积分10
59秒前
小鱼发布了新的文献求助10
1分钟前
香香丿完成签到 ,获得积分10
1分钟前
1分钟前
万能图书馆应助zz123采纳,获得10
1分钟前
杜康完成签到,获得积分10
1分钟前
高分求助中
【提示信息,请勿应助】关于scihub 10000
Les Mantodea de Guyane: Insecta, Polyneoptera [The Mantids of French Guiana] 3000
徐淮辽南地区新元古代叠层石及生物地层 3000
The Mother of All Tableaux: Order, Equivalence, and Geometry in the Large-scale Structure of Optimality Theory 3000
Handbook of Industrial Diamonds.Vol2 1100
Global Eyelash Assessment scale (GEA) 1000
Picture Books with Same-sex Parented Families: Unintentional Censorship 550
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 4038112
求助须知:如何正确求助?哪些是违规求助? 3575788
关于积分的说明 11373801
捐赠科研通 3305604
什么是DOI,文献DOI怎么找? 1819255
邀请新用户注册赠送积分活动 892655
科研通“疑难数据库(出版商)”最低求助积分说明 815022