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Tree M, McDougall S, Beggs DS, Robertson ID, Lam TJ, Aleri JW. Antimicrobial use on Australian dairy cattle farms – A survey of veterinarians. Prev Vet Med 2022; 202:105610. [DOI: 10.1016/j.prevetmed.2022.105610] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 01/31/2022] [Accepted: 03/06/2022] [Indexed: 11/25/2022]
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van Veen HW, Singh H, Agboh K, Fagg LA, Guo D, Swain B, de Kruijf RF, Guffick C. Energy coupling in ABC exporters. Res Microbiol 2019; 170:392-398. [PMID: 31442612 DOI: 10.1016/j.resmic.2019.08.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 07/27/2019] [Accepted: 08/12/2019] [Indexed: 11/19/2022]
Abstract
Multidrug transporters are important and interesting molecular machines that extrude a wide variety of cytotoxic drugs from target cells. This review summarizes novel insights in the energetics and mechanisms of bacterial ATP-binding cassette multidrug transporters as well as recent advances connecting multidrug transport to ion and lipid translocation processes in other membrane proteins.
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Affiliation(s)
- Hendrik W van Veen
- Department of Pharmacology, University of Cambridge, Tennis Court Road, Cambridge, CB2 1PD, UK.
| | - Himansha Singh
- Department of Pharmacology, University of Cambridge, Tennis Court Road, Cambridge, CB2 1PD, UK
| | - Kelvin Agboh
- Department of Pharmacology, University of Cambridge, Tennis Court Road, Cambridge, CB2 1PD, UK
| | - Lisa A Fagg
- Department of Pharmacology, University of Cambridge, Tennis Court Road, Cambridge, CB2 1PD, UK
| | - Dawei Guo
- Department of Pharmacology, University of Cambridge, Tennis Court Road, Cambridge, CB2 1PD, UK
| | - Brendan Swain
- Department of Pharmacology, University of Cambridge, Tennis Court Road, Cambridge, CB2 1PD, UK
| | - Robbin F de Kruijf
- Department of Pharmacology, University of Cambridge, Tennis Court Road, Cambridge, CB2 1PD, UK
| | - Charlotte Guffick
- Department of Pharmacology, University of Cambridge, Tennis Court Road, Cambridge, CB2 1PD, UK
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Liu X, Lu S, Guo W, Xi B, Wang W. Antibiotics in the aquatic environments: A review of lakes, China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 94:736-757. [PMID: 30857084 DOI: 10.1016/j.envint.2016.06.025] [Citation(s) in RCA: 563] [Impact Index Per Article: 93.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Revised: 05/19/2016] [Accepted: 06/19/2016] [Indexed: 05/05/2023]
Abstract
The potential threat of antibiotics to the environment and human health has raised significant concerns in recent years. The consumption and production of antibiotics in China are the highest in the world due to its rapid economic development and huge population, possibly resulting in the high detection frequencies and concentrations of antibiotics in aquatic environments of China. As a water resource, lakes in China play an important role in sustainable economic and social development. Understanding the current state of antibiotics in lakes in China is important. Closed and semi-closed lakes provide an ideal medium for the accumulation of antibiotics and antibiotic resistance genes (ARGs). This review summarizes the current levels of antibiotic exposure in relevant environmental compartments in lakes. The ecological and health risks of antibiotics are also evaluated. This review concludes that 39 antibiotics have been detected in the aquatic environments of lakes in China. The levels of antibiotic contamination in lakes in China is relatively high on the global scale. Antibiotic contamination is higher in sediment than water and aquatic organisms. Quinolone antibiotics (QNs) pose the greatest risks. The contents of antibiotics in aquatic organisms are far lower than their maximum residual limits (MRLs), with the exception of the organisms in Honghu Lake. The lakes experience high levels of ARG contamination. A greater assessment of ARG presence and antibiotic exposure are urgent.
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Affiliation(s)
- Xiaohui Liu
- School of Environment, Tsinghua University, Beijing 100084, China; State Environmental Protection Scientific Observation and Research Station for Lake Dongting, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Shaoyong Lu
- State Environmental Protection Scientific Observation and Research Station for Lake Dongting, Chinese Research Academy of Environmental Sciences, Beijing 100012, China.
| | - Wei Guo
- School of Environmental Science and Engineering, North China Electric Power University, Beijing 1002206, China
| | - Beidou Xi
- State Environmental Protection Scientific Observation and Research Station for Lake Dongting, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Weiliang Wang
- School of Geography and Environment, Shandong Normal University, Jinan, Shandong 250358, China
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Degeling C, Johnson J, Iredell J, Nguyen KA, Norris JM, Turnidge JD, Dawson A, Carter SM, Gilbert GL. Assessing the public acceptability of proposed policy interventions to reduce the misuse of antibiotics in Australia: A report on two community juries. Health Expect 2017; 21:90-99. [PMID: 28665050 PMCID: PMC5750737 DOI: 10.1111/hex.12589] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/18/2017] [Indexed: 01/21/2023] Open
Abstract
Objective To elicit the views of well‐informed community members on the acceptability of proposed policy interventions designed to improve community use of antibiotics in Australia. Design Two community juries held in 2016. Setting and participants Western Sydney and Dubbo communities in NSW, Australia. Twenty‐nine participants of diverse social and cultural backgrounds, mixed genders and ages recruited via public advertising: one jury was drawn from a large metropolitan setting; the other from a regional/rural setting. Main outcome measure Jury verdict and rationale in response to a prioritization task and structured questions. Results Both juries concluded that potential policy interventions to curb antibiotic misuse in the community should be directed towards: (i) ensuring that the public and prescribers were better educated about the dangers of antibiotic resistance; (ii) making community‐based human and animal health‐care practitioners accountable for their prescribing decisions. Patient‐centred approaches such as delayed prescribing were seen as less acceptable than prescriber‐centred approaches; both juries completely rejected any proposal to decrease consumer demand by increasing antibiotic prices. Conclusion These informed citizens acknowledged the importance of raising public awareness of the risks, impacts and costs of antibiotic resistance and placed a high priority on increasing social and professional accountability through restrictive measures. Their overarching aim was that policy interventions should be directed towards creating collective actions and broad social support for changing antibiotic use through establishing and explaining the need for mechanisms to control and support better prescribing by practitioners, while not transferring the burdens, costs and risks of interventions to consumers.
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Affiliation(s)
- Chris Degeling
- Centre for Values, Ethics and the Law in Medicine, School of Public Health, University of Sydney, Sydney, NSW, Australia.,Marie Bashir Institute for Infectious Disease and Biosecurity, University of Sydney, Sydney, NSW, Australia
| | - Jane Johnson
- Centre for Values, Ethics and the Law in Medicine, School of Public Health, University of Sydney, Sydney, NSW, Australia
| | - Jon Iredell
- Marie Bashir Institute for Infectious Disease and Biosecurity, University of Sydney, Sydney, NSW, Australia.,Centre for Infectious Diseases and Microbiology, Westmead Hospital, Westmead, NSW, Australia
| | - Ky-Anh Nguyen
- Institute of Dental Research, Westmead Centre for Oral Health and Westmead Institute for Medical Research, Sydney, NSW, Australia.,Discipline of Life Sciences, Faculty of Dentistry, University of Sydney, Sydney, NSW, Australia
| | - Jacqueline M Norris
- Faculty of Science, Sydney School of Veterinary Science, University of Sydney, Sydney, NSW, Australia
| | - John D Turnidge
- Departments of Pathology, and Molecular and Cellular Biology, University of Adelaide, Adelaide, SA, Australia
| | - Angus Dawson
- Centre for Values, Ethics and the Law in Medicine, School of Public Health, University of Sydney, Sydney, NSW, Australia.,Marie Bashir Institute for Infectious Disease and Biosecurity, University of Sydney, Sydney, NSW, Australia
| | - Stacy M Carter
- Centre for Values, Ethics and the Law in Medicine, School of Public Health, University of Sydney, Sydney, NSW, Australia
| | - Gwendolyn L Gilbert
- Centre for Values, Ethics and the Law in Medicine, School of Public Health, University of Sydney, Sydney, NSW, Australia.,Marie Bashir Institute for Infectious Disease and Biosecurity, University of Sydney, Sydney, NSW, Australia.,Centre for Infectious Diseases and Microbiology, Westmead Hospital, Westmead, NSW, Australia
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