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Taitt CR, Leski TA, Prouty MG, Ford GW, Heang V, House BL, Levin SY, Curry JA, Mansour A, Mohammady HE, Wasfy M, Tilley DH, Gregory MJ, Kasper MR, Regeimbal J, Rios P, Pimentel G, Danboise BA, Hulseberg CE, Odundo EA, Ombogo AN, Cheruiyot EK, Philip CO, Vora GJ. Tracking Antimicrobial Resistance Determinants in Diarrheal Pathogens: A Cross-Institutional Pilot Study. Int J Mol Sci 2020; 21:ijms21165928. [PMID: 32824772 PMCID: PMC7460656 DOI: 10.3390/ijms21165928] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 08/06/2020] [Accepted: 08/10/2020] [Indexed: 12/12/2022] Open
Abstract
Infectious diarrhea affects over four billion individuals annually and causes over a million deaths each year. Though not typically prescribed for treatment of uncomplicated diarrheal disease, antimicrobials serve as a critical part of the armamentarium used to treat severe or persistent cases. Due to widespread over- and misuse of antimicrobials, there has been an alarming increase in global resistance, for which a standardized methodology for geographic surveillance would be highly beneficial. To demonstrate that a standardized methodology could be used to provide molecular surveillance of antimicrobial resistance (AMR) genes, we initiated a pilot study to test 130 diarrheal pathogens (Campylobacter spp., Escherichia coli, Salmonella, and Shigella spp.) from the USA, Peru, Egypt, Cambodia, and Kenya for the presence/absence of over 200 AMR determinants. We detected a total of 55 different determinants conferring resistance to ten different categories of antimicrobials: genes detected in ≥ 25 samples included blaTEM, tet(A), tet(B), mac(A), mac(B), aadA1/A2, strA, strB, sul1, sul2, qacEΔ1, cmr, and dfrA1. The number of determinants per strain ranged from none (several Campylobacter spp. strains) to sixteen, with isolates from Egypt harboring a wider variety and greater number of genes per isolate than other sites. Two samples harbored carbapenemase genes, blaOXA-48 or blaNDM. Genes conferring resistance to azithromycin (ere(A), mph(A)/mph(K), erm(B)), a first-line therapeutic for severe diarrhea, were detected in over 10% of all Enterobacteriaceae tested: these included >25% of the Enterobacteriaceae from Egypt and Kenya. Forty-six percent of the Egyptian Enterobacteriaceae harbored genes encoding CTX-M-1 or CTX-M-9 families of extended-spectrum β-lactamases. Overall, the data provide cross-comparable resistome information to establish regional trends in support of international surveillance activities and potentially guide geospatially informed medical care.
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Affiliation(s)
- Chris R. Taitt
- US Naval Research Laboratory, Center for Biomolecular Science & Engineering, Washington, DC 20375, USA; (T.A.L.); (G.J.V.)
- Correspondence: ; Tel.: +1-011-202-404-4208
| | - Tomasz A. Leski
- US Naval Research Laboratory, Center for Biomolecular Science & Engineering, Washington, DC 20375, USA; (T.A.L.); (G.J.V.)
| | - Michael G. Prouty
- US Naval Medical Research Unit No. 2-Phnom Penh, Blvd Kim Il Sung, Khan Toul Kork, Phnom Penh, Cambodia; (M.G.P.); (G.W.F.); (V.H.)
| | - Gavin W. Ford
- US Naval Medical Research Unit No. 2-Phnom Penh, Blvd Kim Il Sung, Khan Toul Kork, Phnom Penh, Cambodia; (M.G.P.); (G.W.F.); (V.H.)
| | - Vireak Heang
- US Naval Medical Research Unit No. 2-Phnom Penh, Blvd Kim Il Sung, Khan Toul Kork, Phnom Penh, Cambodia; (M.G.P.); (G.W.F.); (V.H.)
| | - Brent L. House
- US Naval Medical Research Unit No. 3, Naval Air Station Sigonella, 95030 Sigonella, Italy; (B.L.H.); (S.Y.L.); (J.A.C.); (A.M.); (H.E.M.); (M.W.)
| | - Samuel Y. Levin
- US Naval Medical Research Unit No. 3, Naval Air Station Sigonella, 95030 Sigonella, Italy; (B.L.H.); (S.Y.L.); (J.A.C.); (A.M.); (H.E.M.); (M.W.)
| | - Jennifer A. Curry
- US Naval Medical Research Unit No. 3, Naval Air Station Sigonella, 95030 Sigonella, Italy; (B.L.H.); (S.Y.L.); (J.A.C.); (A.M.); (H.E.M.); (M.W.)
| | - Adel Mansour
- US Naval Medical Research Unit No. 3, Naval Air Station Sigonella, 95030 Sigonella, Italy; (B.L.H.); (S.Y.L.); (J.A.C.); (A.M.); (H.E.M.); (M.W.)
| | - Hanan El Mohammady
- US Naval Medical Research Unit No. 3, Naval Air Station Sigonella, 95030 Sigonella, Italy; (B.L.H.); (S.Y.L.); (J.A.C.); (A.M.); (H.E.M.); (M.W.)
| | - Momtaz Wasfy
- US Naval Medical Research Unit No. 3, Naval Air Station Sigonella, 95030 Sigonella, Italy; (B.L.H.); (S.Y.L.); (J.A.C.); (A.M.); (H.E.M.); (M.W.)
| | - Drake Hamilton Tilley
- US Naval Medical Research Unit No. 6 Peru, Lima 07001, Peru; (D.H.T.); (M.J.G.); (M.R.K.); (J.R.); (P.R.); (G.P.)
| | - Michael J. Gregory
- US Naval Medical Research Unit No. 6 Peru, Lima 07001, Peru; (D.H.T.); (M.J.G.); (M.R.K.); (J.R.); (P.R.); (G.P.)
| | - Matthew R. Kasper
- US Naval Medical Research Unit No. 6 Peru, Lima 07001, Peru; (D.H.T.); (M.J.G.); (M.R.K.); (J.R.); (P.R.); (G.P.)
| | - James Regeimbal
- US Naval Medical Research Unit No. 6 Peru, Lima 07001, Peru; (D.H.T.); (M.J.G.); (M.R.K.); (J.R.); (P.R.); (G.P.)
| | - Paul Rios
- US Naval Medical Research Unit No. 6 Peru, Lima 07001, Peru; (D.H.T.); (M.J.G.); (M.R.K.); (J.R.); (P.R.); (G.P.)
| | - Guillermo Pimentel
- US Naval Medical Research Unit No. 6 Peru, Lima 07001, Peru; (D.H.T.); (M.J.G.); (M.R.K.); (J.R.); (P.R.); (G.P.)
| | - Brook A. Danboise
- US Army Medical Research Directorate-Africa/Kenya, Kericho 20200, Kenya; (B.A.D.); (C.E.H.); (E.A.O.); (A.N.O.); (E.K.C.); (C.O.P.)
| | - Christine E. Hulseberg
- US Army Medical Research Directorate-Africa/Kenya, Kericho 20200, Kenya; (B.A.D.); (C.E.H.); (E.A.O.); (A.N.O.); (E.K.C.); (C.O.P.)
| | - Elizabeth A. Odundo
- US Army Medical Research Directorate-Africa/Kenya, Kericho 20200, Kenya; (B.A.D.); (C.E.H.); (E.A.O.); (A.N.O.); (E.K.C.); (C.O.P.)
| | - Abigael N. Ombogo
- US Army Medical Research Directorate-Africa/Kenya, Kericho 20200, Kenya; (B.A.D.); (C.E.H.); (E.A.O.); (A.N.O.); (E.K.C.); (C.O.P.)
| | - Erick K. Cheruiyot
- US Army Medical Research Directorate-Africa/Kenya, Kericho 20200, Kenya; (B.A.D.); (C.E.H.); (E.A.O.); (A.N.O.); (E.K.C.); (C.O.P.)
| | - Cliff O. Philip
- US Army Medical Research Directorate-Africa/Kenya, Kericho 20200, Kenya; (B.A.D.); (C.E.H.); (E.A.O.); (A.N.O.); (E.K.C.); (C.O.P.)
| | - Gary J. Vora
- US Naval Research Laboratory, Center for Biomolecular Science & Engineering, Washington, DC 20375, USA; (T.A.L.); (G.J.V.)
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Taitt CR, Leski TA, Erwin DP, Odundo EA, Kipkemoi NC, Ndonye JN, Kirera RK, Ombogo AN, Walson JL, Pavlinac PB, Hulseberg C, Vora GJ. Antimicrobial resistance of Klebsiella pneumoniae stool isolates circulating in Kenya. PLoS One 2017; 12:e0178880. [PMID: 28575064 PMCID: PMC5456380 DOI: 10.1371/journal.pone.0178880] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Accepted: 05/19/2017] [Indexed: 01/08/2023] Open
Abstract
We sought to determine the genetic and phenotypic antimicrobial resistance (AMR) profiles of commensal Klebsiella spp. circulating in Kenya by testing human stool isolates of 87 K. pneumoniae and three K. oxytoca collected at eight locations. Over one-third of the isolates were resistant to ≥3 categories of antimicrobials and were considered multidrug-resistant (MDR). We then compared the resistance phenotype to the presence/absence of 238 AMR genes determined by a broad-spectrum microarray and PCR. Forty-six genes/gene families were identified conferring resistance to β-lactams (ampC/blaDHA, blaCMY/LAT, blaLEN-1, blaOKP-A/OKP-B1, blaOXA-1-like family, blaOXY-1, blaSHV, blaTEM, blaCTX-M-1 and blaCTX-M-2 families), aminoglycosides (aac(3)-III, aac(6)-Ib, aad(A1/A2), aad(A4), aph(AI), aph3/str(A), aph6/str(B), and rmtB), macrolides (mac(A), mac(B), mph(A)/mph(K)), tetracyclines (tet(A), tet(B), tet(D), tet(G)), ansamycins (arr), phenicols (catA1/cat4, floR, cmlA, cmr), fluoroquinolones (qnrS), quaternary amines (qacEΔ1), streptothricin (sat2), sulfonamides (sul1, sul2, sul3), and diaminopyrimidines (dfrA1, dfrA5, dfrA7, dfrA8, dfrA12, dfrA13/21/22/23 family, dfrA14, dfrA15, dfrA16, dfrA17). This is the first profile of genes conferring resistance to multiple categories of antimicrobial agents in western and central Kenya. The large number and wide variety of resistance genes detected suggest the presence of significant selective pressure. The presence of five or more resistance determinants in almost two-thirds of the isolates points to the need for more effective, targeted public health policies and infection control/prevention measures.
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Affiliation(s)
- Chris Rowe Taitt
- Center for Bio/Molecular Science & Engineering, Naval Research Laboratory, Washington, DC United States of America
| | - Tomasz A. Leski
- Center for Bio/Molecular Science & Engineering, Naval Research Laboratory, Washington, DC United States of America
| | - Daniel P. Erwin
- US Army Medical Research Directorate-Kenya, Walter Reed Army Institute of Research, Kericho, Kenya
| | - Elizabeth A. Odundo
- KEMRI/US Army Medical Research Directorate-Kenya, Walter Reed Army Institute of Research, Kericho, Kenya
| | - Nancy C. Kipkemoi
- KEMRI/US Army Medical Research Directorate-Kenya, Walter Reed Army Institute of Research, Kericho, Kenya
| | - Janet N. Ndonye
- KEMRI/US Army Medical Research Directorate-Kenya, Walter Reed Army Institute of Research, Kericho, Kenya
| | - Ronald K. Kirera
- KEMRI/US Army Medical Research Directorate-Kenya, Walter Reed Army Institute of Research, Kericho, Kenya
| | - Abigael N. Ombogo
- KEMRI/US Army Medical Research Directorate-Kenya, Walter Reed Army Institute of Research, Kericho, Kenya
| | - Judd L. Walson
- Department of Global Health, University of Washington, Seattle, WA, United States of America
- Departments of Pediatrics, Medicine, and Epidemiology, University of Washington, Seattle, WA, United States of America
| | - Patricia B. Pavlinac
- Department of Global Health, University of Washington, Seattle, WA, United States of America
| | - Christine Hulseberg
- US Army Medical Research Directorate-Kenya, Walter Reed Army Institute of Research, Kericho, Kenya
| | - Gary J. Vora
- Center for Bio/Molecular Science & Engineering, Naval Research Laboratory, Washington, DC United States of America
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Swierczewski BE, Odundo EA, Koech MC, Ndonye JN, Kirera RK, Odhiambo CP, Cheruiyot EK, Shaffer DN, Ombogo AN, Oaks EV. Enteric pathogen surveillance in a case-control study of acute diarrhoea in the town of Kisii, Kenya. J Med Microbiol 2013; 62:1774-1776. [PMID: 23842139 DOI: 10.1099/jmm.0.059139-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Brett E Swierczewski
- Bacterial Diseases Branch, Walter Reed Army Institute of Research, 503 Robert Grant Avenue, Silver Spring, MD 20910, USA.,United States Army Medical Research Unit - Kenya, Kericho Field Station, PO Box 1357 Hospital Road, Kericho, Kenya 20220
| | - Elizabeth A Odundo
- United States Army Medical Research Unit - Kenya, Kericho Field Station, PO Box 1357 Hospital Road, Kericho, Kenya 20220
| | - Margaret C Koech
- United States Army Medical Research Unit - Kenya, Kericho Field Station, PO Box 1357 Hospital Road, Kericho, Kenya 20220
| | - Janet N Ndonye
- United States Army Medical Research Unit - Kenya, Kericho Field Station, PO Box 1357 Hospital Road, Kericho, Kenya 20220
| | - Ronald K Kirera
- United States Army Medical Research Unit - Kenya, Kericho Field Station, PO Box 1357 Hospital Road, Kericho, Kenya 20220
| | - Cliff P Odhiambo
- United States Army Medical Research Unit - Kenya, Kericho Field Station, PO Box 1357 Hospital Road, Kericho, Kenya 20220
| | - Erick K Cheruiyot
- United States Army Medical Research Unit - Kenya, Kericho Field Station, PO Box 1357 Hospital Road, Kericho, Kenya 20220
| | - Douglas N Shaffer
- United States Army Medical Research Unit - Kenya, Kericho Field Station, PO Box 1357 Hospital Road, Kericho, Kenya 20220
| | - Abigael N Ombogo
- United States Army Medical Research Unit - Kenya, Kericho Field Station, PO Box 1357 Hospital Road, Kericho, Kenya 20220
| | - Edwin V Oaks
- Bacterial Diseases Branch, Walter Reed Army Institute of Research, 503 Robert Grant Avenue, Silver Spring, MD 20910, USA
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