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Title: Unconventional Oil and Gas Energy Systems: An Unidentified Hotspot of Antimicrobial Resistance?

Abstract

Biocides used in unconventional oil and gas (UOG) practices, such as hydraulic fracturing, control microbial growth. Unwanted microbial growth can cause gas souring, pipeline clogging, and microbial-induced corrosion of equipment and transportation pipes. However, optimizing biocide use has not been a priority. Moreover, biocide efficacy has been questioned because microbial surveys show an active microbial community in hydraulic fracturing produced and flowback water. Hydraulic fracturing produced and flowback water increases risks to surface aquifers and rivers/lakes near the UOG operations compared with conventional oil and gas operations. While some biocides and biocide degradation products have been highlighted as chemicals of concern because of their toxicity to humans and the environment, the selective antimicrobial pressure they cause has not been considered seriously. This perspective article aims to promote research to determine if antimicrobial pressure in these systems is cause for concern. UOG practices could potentially create antimicrobial resistance hotspots under-appreciated in the literature, practice, and regulation arena, hotspots that should not be ignored. The article is distinctive in discussing antimicrobial resistance risks associated with UOG biocides from a biological risk, not a chemical toxicology, perspective. We outline potential risks and highlight important knowledge gaps that need to be addressed to properlymore » incorporate antimicrobial resistance emergence and selection into UOG environmental and health risk assessments.« less

Authors:
 [1];  [2];  [3];  [4];  [1]
  1. Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. Michigan Technological Univ., Houghton, MI (United States)
  4. Univ. of Tennessee, Knoxville, TN (United States)
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
National Science Foundation (NSF); USDOE
OSTI Identifier:
1581317
Alternate Identifier(s):
OSTI ID: 1606840
Grant/Contract Number:  
AC02-05CH11231; AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Frontiers in Microbiology
Additional Journal Information:
Journal Volume: 10; Journal Issue: OCT; Journal ID: ISSN 1664-302X
Publisher:
Frontiers Research Foundation
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES; antimicrobial resistance; biocides; hydraulic fracturing; unconventional oil and gas; biological risk; resistome; resistome risk

Citation Formats

Campa, Maria Fernanda, Wolfe, Amy K., Techtmann, Stephen M., Harik, Ann-Marie, and Hazen, Terry C. Unconventional Oil and Gas Energy Systems: An Unidentified Hotspot of Antimicrobial Resistance?. United States: N. p., 2019. Web. doi:10.3389/fmicb.2019.02392.
Campa, Maria Fernanda, Wolfe, Amy K., Techtmann, Stephen M., Harik, Ann-Marie, & Hazen, Terry C. Unconventional Oil and Gas Energy Systems: An Unidentified Hotspot of Antimicrobial Resistance?. United States. https://doi.org/10.3389/fmicb.2019.02392
Campa, Maria Fernanda, Wolfe, Amy K., Techtmann, Stephen M., Harik, Ann-Marie, and Hazen, Terry C. Fri . "Unconventional Oil and Gas Energy Systems: An Unidentified Hotspot of Antimicrobial Resistance?". United States. https://doi.org/10.3389/fmicb.2019.02392. https://www.osti.gov/servlets/purl/1581317.
@article{osti_1581317,
title = {Unconventional Oil and Gas Energy Systems: An Unidentified Hotspot of Antimicrobial Resistance?},
author = {Campa, Maria Fernanda and Wolfe, Amy K. and Techtmann, Stephen M. and Harik, Ann-Marie and Hazen, Terry C.},
abstractNote = {Biocides used in unconventional oil and gas (UOG) practices, such as hydraulic fracturing, control microbial growth. Unwanted microbial growth can cause gas souring, pipeline clogging, and microbial-induced corrosion of equipment and transportation pipes. However, optimizing biocide use has not been a priority. Moreover, biocide efficacy has been questioned because microbial surveys show an active microbial community in hydraulic fracturing produced and flowback water. Hydraulic fracturing produced and flowback water increases risks to surface aquifers and rivers/lakes near the UOG operations compared with conventional oil and gas operations. While some biocides and biocide degradation products have been highlighted as chemicals of concern because of their toxicity to humans and the environment, the selective antimicrobial pressure they cause has not been considered seriously. This perspective article aims to promote research to determine if antimicrobial pressure in these systems is cause for concern. UOG practices could potentially create antimicrobial resistance hotspots under-appreciated in the literature, practice, and regulation arena, hotspots that should not be ignored. The article is distinctive in discussing antimicrobial resistance risks associated with UOG biocides from a biological risk, not a chemical toxicology, perspective. We outline potential risks and highlight important knowledge gaps that need to be addressed to properly incorporate antimicrobial resistance emergence and selection into UOG environmental and health risk assessments.},
doi = {10.3389/fmicb.2019.02392},
journal = {Frontiers in Microbiology},
number = OCT,
volume = 10,
place = {United States},
year = {Fri Oct 18 00:00:00 EDT 2019},
month = {Fri Oct 18 00:00:00 EDT 2019}
}

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