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KPC-2-producing Klebsiella pneumoniae ST147 in a neonatal unit: Clonal isolates with differences in colistin susceptibility attributed to AcrAB-TolC pump.

Naha S, Sands K, Mukherjee S, Roy C, Rameez MJ, Saha B, Dutta S, Walsh TR, Basu S.

Int J Antimicrob Agents. 2020 Jan 16:105903. doi: 10.1016/j.ijantimicag.2020.105903. [Epub ahead of print]


Erratum: "Inter-Host Transmission of Carbapenemase-Producing Escherichia coli among Humans and Backyard Animals".

Li J, Bi Z, Ma S, Chen B, Cai C, He J, Schwarz S, Sun C, Zhou Y, Yin J, Hulth A, Wang Y, Shen Z, Wang S, Wu C, Nilsson LE, Walsh TR, Börjesson S, Shen J, Sun Q, Wang Y.

Environ Health Perspect. 2020 Jan;128(1):19001. doi: 10.1289/EHP6660. Epub 2020 Jan 3. No abstract available.


Compensatory mutations modulate the competitiveness and dynamics of plasmid-mediated colistin resistance in Escherichia coli clones.

Yang QE, MacLean C, Papkou A, Pritchard M, Powell L, Thomas D, Andrey DO, Li M, Spiller B, Yang W, Walsh TR.

ISME J. 2020 Jan 2. doi: 10.1038/s41396-019-0578-6. [Epub ahead of print]


A Bespoke Force Field To Describe Biomolecule Adsorption at the Aqueous Boron Nitride Interface.

Budi A, Walsh TR.

Langmuir. 2019 Dec 10;35(49):16234-16243. doi: 10.1021/acs.langmuir.9b03121. Epub 2019 Nov 25.


An Emerging Clone, KPC-2-Producing Klebsiella pneumoniae ST16, Associated with High Mortality Rates in a CC258 Endemic Setting.

Andrey DO, Dantas P, Martins WBS, Marques de Carvalho F, Gonzaga LA, Sands K, Portal E, Sauser J, Cayô R, Nicolas MF, Vasconcelos ATR, Medeiros EA, Walsh TR, Gales AC.

Clin Infect Dis. 2019 Nov 12. pii: ciz1095. doi: 10.1093/cid/ciz1095. [Epub ahead of print]


Predictions of Pattern Formation in Amino Acid Adlayers at the In Vacuo Graphene Interface: Influence of Termination State.

Awuah JB, Walsh TR.

Small. 2019 Oct 30:e1903403. doi: 10.1002/smll.201903403. [Epub ahead of print]


Inter-host Transmission of Carbapenemase-Producing Escherichia coli among Humans and Backyard Animals.

Li J, Bi Z, Ma S, Chen B, Cai C, He J, Schwarz S, Sun C, Zhou Y, Yin J, Hulth A, Wang Y, Shen Z, Wang S, Wu C, Nilsson LE, Walsh TR, Börjesson S, Shen J, Sun Q, Wang Y.

Environ Health Perspect. 2019 Oct;127(10):107009. doi: 10.1289/EHP5251. Epub 2019 Oct 23. Erratum in: Environ Health Perspect. 2020 Jan;128(1):19001.


Novel Plasmid-Mediated tet(X5) Gene Conferring Resistance to Tigecycline, Eravacycline, and Omadacycline in a Clinical Acinetobacter baumannii Isolate.

Wang L, Liu D, Lv Y, Cui L, Li Y, Li T, Song H, Hao Y, Shen J, Wang Y, Walsh TR.

Antimicrob Agents Chemother. 2019 Dec 20;64(1). pii: e01326-19. doi: 10.1128/AAC.01326-19. Print 2019 Dec 20.


Biomolecular Material Recognition in Two Dimensions: Peptide Binding to Graphene, h-BN, and MoS2 Nanosheets as Unique Bioconjugates.

Walsh TR, Knecht MR.

Bioconjug Chem. 2019 Nov 20;30(11):2727-2750. doi: 10.1021/acs.bioconjchem.9b00593. Epub 2019 Oct 25.


Tuning the Structure and Chiroptical Properties of Gold Nanoparticle Single Helices via Peptide Sequence Variation.

Mokashi-Punekar S, Walsh TR, Rosi NL.

J Am Chem Soc. 2019 Oct 2;141(39):15710-15716. doi: 10.1021/jacs.9b08798. Epub 2019 Sep 19.


Bicyclic Boronate VNRX-5133 Inhibits Metallo- and Serine-β-Lactamases.

Krajnc A, Brem J, Hinchliffe P, Calvopiña K, Panduwawala TD, Lang PA, Kamps JJAG, Tyrrell JM, Widlake E, Saward BG, Walsh TR, Spencer J, Schofield CJ.

J Med Chem. 2019 Sep 26;62(18):8544-8556. doi: 10.1021/acs.jmedchem.9b00911. Epub 2019 Sep 16.


Integrated aquaculture contributes to the transfer of mcr-1 between animals and humans via the aquaculture supply chain.

Shen Y, Lv Z, Yang L, Liu D, Ou Y, Xu C, Liu W, Yuan D, Hao Y, He J, Li X, Zhou Y, Walsh TR, Shen J, Xia J, Ke Y, Wang Y.

Environ Int. 2019 Sep;130:104708. doi: 10.1016/j.envint.2019.03.056. Epub 2019 Jun 12.


Emerging Carriage of NDM-5 and MCR-1 in Escherichia coli From Healthy People in Multiple Regions in China: A Cross Sectional Observational Study.

Shen Z, Hu Y, Sun Q, Hu F, Zhou H, Shu L, Ma T, Shen Y, Wang Y, Li J, Walsh TR, Zhang R, Wang S.

EClinicalMedicine. 2018 Dec 4;6:11-20. doi: 10.1016/j.eclinm.2018.11.003. eCollection 2018 Dec.


Profiling interactions of vaborbactam with metallo-β-lactamases.

Langley GW, Cain R, Tyrrell JM, Hinchliffe P, Calvopiña K, Tooke CL, Widlake E, Dowson CG, Spencer J, Walsh TR, Schofield CJ, Brem J.

Bioorg Med Chem Lett. 2019 Aug 1;29(15):1981-1984. doi: 10.1016/j.bmcl.2019.05.031. Epub 2019 May 17.


Dissemination of genetically diverse NDM-1, -5, -7 producing-Gram-negative pathogens isolated from pediatric patients in Pakistan.

Qamar MU, Walsh TR, Toleman MA, Tyrrell JM, Saleem S, Aboklaish A, Jahan S.

Future Microbiol. 2019 May;14:691-704. doi: 10.2217/fmb-2019-0012. Epub 2019 May 31.


Risk Factors for Extended-Spectrum β-Lactamase-Producing Enterobacteriaceae Carriage in Patients Admitted to Intensive Care Unit in a Tertiary Care Hospital in Thailand.

Kiddee A, Assawatheptawee K, Na-Udom A, Boonsawang P, Treebupachatsakul P, Walsh TR, Niumsup PR.

Microb Drug Resist. 2019 Oct;25(8):1182-1190. doi: 10.1089/mdr.2018.0318. Epub 2019 May 29.


Emergence of plasmid-mediated high-level tigecycline resistance genes in animals and humans.

He T, Wang R, Liu D, Walsh TR, Zhang R, Lv Y, Ke Y, Ji Q, Wei R, Liu Z, Shen Y, Wang G, Sun L, Lei L, Lv Z, Li Y, Pang M, Wang L, Sun Q, Fu Y, Song H, Hao Y, Shen Z, Wang S, Chen G, Wu C, Shen J, Wang Y.

Nat Microbiol. 2019 Sep;4(9):1450-1456. doi: 10.1038/s41564-019-0445-2. Epub 2019 May 27.


Effect of carbapenem resistance on outcomes of bloodstream infection caused by Enterobacteriaceae in low-income and middle-income countries (PANORAMA): a multinational prospective cohort study.

Stewardson AJ, Marimuthu K, Sengupta S, Allignol A, El-Bouseary M, Carvalho MJ, Hassan B, Delgado-Ramirez MA, Arora A, Bagga R, Owusu-Ofori AK, Ovosi JO, Aliyu S, Saad H, Kanj SS, Khanal B, Bhattarai B, Saha SK, Uddin J, Barman P, Sharma L, El-Banna T, Zahra R, Saleemi MA, Kaur A, Iregbu K, Uwaezuoke NS, Abi Hanna P, Feghali R, Correa AL, Munera MI, Le TAT, Tran TTN, Phukan C, Phukan C, Valderrama-Beltrán SL, Alvarez-Moreno C, Walsh TR, Harbarth S.

Lancet Infect Dis. 2019 Jun;19(6):601-610. doi: 10.1016/S1473-3099(18)30792-8. Epub 2019 Apr 29.


Experimental and theoretical tools to elucidate the binding mechanisms of solid-binding peptides.

Bansal R, Care A, Lord MS, Walsh TR, Sunna A.

N Biotechnol. 2019 Sep 25;52:9-18. doi: 10.1016/j.nbt.2019.04.001. Epub 2019 Apr 5. Review.


Genetic environment of colistin resistance genes mcr-1 and mcr-3 in Escherichia coli from one pig farm in China.

Wang Z, Fu Y, Schwarz S, Yin W, Walsh TR, Zhou Y, He J, Jiang H, Wang Y, Wang S.

Vet Microbiol. 2019 Mar;230:56-61. doi: 10.1016/j.vetmic.2019.01.011. Epub 2019 Jan 12.


Antibiotic resistance, stewardship, and consumption - Authors' reply.

Collignon P, Beggs JJ, Walsh TR, Gandra S, Laxminarayan R.

Lancet Planet Health. 2019 Feb;3(2):e68. doi: 10.1016/S2542-5196(18)30263-8. No abstract available. Erratum in: Lancet Planet Health. 2019 Jul;3(7):e294.


Studies on the inhibition of AmpC and other β-lactamases by cyclic boronates.

Cahill ST, Tyrrell JM, Navratilova IH, Calvopiña K, Robinson SW, Lohans CT, McDonough MA, Cain R, Fishwick CWG, Avison MB, Walsh TR, Schofield CJ, Brem J.

Biochim Biophys Acta Gen Subj. 2019 Apr;1863(4):742-748. doi: 10.1016/j.bbagen.2019.02.004. Epub 2019 Feb 7.


Extended spectrum ß-lactamase-producing Escherichia coli among backyard poultry farms, farmers, and environments in Thailand.

Tansawai U, Walsh TR, Niumsup PR.

Poult Sci. 2019 Jun 1;98(6):2622-2631. doi: 10.3382/ps/pez009.


In vitro activity of apramycin against multidrug-, carbapenem- and aminoglycoside-resistant Enterobacteriaceae and Acinetobacter baumannii.

Juhas M, Widlake E, Teo J, Huseby DL, Tyrrell JM, Polikanov YS, Ercan O, Petersson A, Cao S, Aboklaish AF, Rominski A, Crich D, Böttger EC, Walsh TR, Hughes D, Hobbie SN.

J Antimicrob Chemother. 2019 Apr 1;74(4):944-952. doi: 10.1093/jac/dky546.


The polymyxin derivative NAB739 is synergistic with several antibiotics against polymyxin-resistant strains of Escherichia coli, Klebsiella pneumoniae and Acinetobacter baumannii.

Tyrrell JM, Aboklaish AF, Walsh TR, Vaara T, Vaara M.

Peptides. 2019 Feb;112:149-153. doi: 10.1016/j.peptides.2018.12.006. Epub 2018 Dec 23.


Environmental dissemination of mcr-1 positive Enterobacteriaceae by Chrysomya spp. (common blowfly): An increasing public health risk.

Yang QE, Tansawai U, Andrey DO, Wang S, Wang Y, Sands K, Kiddee A, Assawatheptawee K, Bunchu N, Hassan B, Walsh TR, Niumsup PR.

Environ Int. 2019 Jan;122:281-290. doi: 10.1016/j.envint.2018.11.021. Epub 2018 Nov 16.


Crystal structures of VIM-1 complexes explain active site heterogeneity in VIM-class metallo-β-lactamases.

Salimraj R, Hinchliffe P, Kosmopoulou M, Tyrrell JM, Brem J, van Berkel SS, Verma A, Owens RJ, McDonough MA, Walsh TR, Schofield CJ, Spencer J.

FEBS J. 2019 Jan;286(1):169-183. doi: 10.1111/febs.14695. Epub 2018 Nov 23.


Novel partners with colistin to increase its in vivo therapeutic effectiveness and prevent the occurrence of colistin resistance in NDM- and MCR-co-producing Escherichia coli in a murine infection model.

Yu Y, Walsh TR, Yang RS, Zheng M, Wei MC, Tyrrell JM, Wang Y, Liao XP, Sun J, Liu YH.

J Antimicrob Chemother. 2019 Jan 1;74(1):87-95. doi: 10.1093/jac/dky413.


Outbreak of Hypervirulent Multidrug-resistant Klebsiella variicola Causing High Mortality in Neonates in Bangladesh.

Farzana R, Jones LS, Rahman MA, Andrey DO, Sands K, Portal E, Watkins WJ, Pervin M, Banerjee M, Walsh TR.

Clin Infect Dis. 2019 Mar 19;68(7):1225-1227. doi: 10.1093/cid/ciy778.


Optical Control of Nanoparticle Catalysis Influenced by Photoswitch Positioning in Hybrid Peptide Capping Ligands.

Lawrence RL, Hughes ZE, Cendan VJ, Liu Y, Lim CK, Prasad PN, Swihart MT, Walsh TR, Knecht MR.

ACS Appl Mater Interfaces. 2018 Oct 3;10(39):33640-33651. doi: 10.1021/acsami.8b10582. Epub 2018 Sep 21.


Effect of calcium ions on peptide adsorption at the aqueous rutile titania (110) interface.

Sultan AM, Hughes ZE, Walsh TR.

Biointerphases. 2018 Aug 31;13(6):06D403. doi: 10.1116/1.5046531.


Anthropological and socioeconomic factors contributing to global antimicrobial resistance: a univariate and multivariable analysis.

Collignon P, Beggs JJ, Walsh TR, Gandra S, Laxminarayan R.

Lancet Planet Health. 2018 Sep;2(9):e398-e405. doi: 10.1016/S2542-5196(18)30186-4.


A one-health approach to antimicrobial resistance.

Walsh TR.

Nat Microbiol. 2018 Aug;3(8):854-855. doi: 10.1038/s41564-018-0208-5. No abstract available.


Anthropogenic and environmental factors associated with high incidence of mcr-1 carriage in humans across China.

Shen Y, Zhou H, Xu J, Wang Y, Zhang Q, Walsh TR, Shao B, Wu C, Hu Y, Yang L, Shen Z, Wu Z, Sun Q, Ou Y, Wang Y, Wang S, Wu Y, Cai C, Li J, Shen J, Zhang R, Wang Y.

Nat Microbiol. 2018 Sep;3(9):1054-1062. doi: 10.1038/s41564-018-0205-8. Epub 2018 Jul 23.


Heterogeneous and Flexible Transmission of mcr-1 in Hospital-Associated Escherichia coli.

Shen Y, Wu Z, Wang Y, Zhang R, Zhou HW, Wang S, Lei L, Li M, Cai J, Tyrrell J, Tian GB, Wu C, Zhang Q, Shen J, Walsh TR, Shen Z.

mBio. 2018 Jul 3;9(4). pii: e00943-18. doi: 10.1128/mBio.00943-18.


Prevalence and Genetic Analysis of mcr-3-Positive Aeromonas Species from Humans, Retail Meat, and Environmental Water Samples.

Shen Y, Xu C, Sun Q, Schwarz S, Ou Y, Yang L, Huang Z, Eichhorn I, Walsh TR, Wang Y, Zhang R, Shen J.

Antimicrob Agents Chemother. 2018 Aug 27;62(9). pii: e00404-18. doi: 10.1128/AAC.00404-18. Print 2018 Sep.


Controlled synthesis of highly-branched plasmonic gold nanoparticles through peptoid engineering.

Yan F, Liu L, Walsh TR, Gong Y, El-Khoury PZ, Zhang Y, Zhu Z, De Yoreo JJ, Engelhard MH, Zhang X, Chen CL.

Nat Commun. 2018 Jun 13;9(1):2327. doi: 10.1038/s41467-018-04789-2.


Risk Factors for Gastrointestinal Colonization and Acquisition of Carbapenem-Resistant Gram-Negative Bacteria among Patients in Intensive Care Units in Thailand.

Kiddee A, Assawatheptawee K, Na-Udom A, Treebupachatsakul P, Wangteeraprasert A, Walsh TR, Niumsup PR.

Antimicrob Agents Chemother. 2018 Jul 27;62(8). pii: e00341-18. doi: 10.1128/AAC.00341-18. Print 2018 Aug.


Combination Therapy Strategies Against Multiple-Resistant Streptococcus Suis.

Yu Y, Fang JT, Zheng M, Zhang Q, Walsh TR, Liao XP, Sun J, Liu YH.

Front Pharmacol. 2018 May 15;9:489. doi: 10.3389/fphar.2018.00489. eCollection 2018.


First identification of clinical isolate of a Novel "NDM-4" producing Escherichia coli ST405 from urine sample in Pakistan.

Qamar MU, Walsh TR, Toleman MA, Saleem S, Jahan S.

Braz J Microbiol. 2018 Oct - Dec;49(4):949-950. doi: 10.1016/j.bjm.2018.02.009. Epub 2018 Apr 12. No abstract available.


Identification of carbapenem-resistant Pseudomonas aeruginosa in selected hospitals of the Gulf Cooperation Council States: dominance of high-risk clones in the region.

Zowawi HM, Syrmis MW, Kidd TJ, Balkhy HH, Walsh TR, Al Johani SM, Al Jindan RY, Alfaresi M, Ibrahim E, Al-Jardani A, Al Salman J, Dashti AA, Sidjabat HE, Baz O, Trembizki E, Whiley DM, Paterson DL.

J Med Microbiol. 2018 Jun;67(6):846-853. doi: 10.1099/jmm.0.000730. Epub 2018 Apr 17.


Heavy Metal Resistance Genes Are Associated with blaNDM-1- and blaCTX-M-15-Carrying Enterobacteriaceae.

Yang QE, Agouri SR, Tyrrell JM, Walsh TR.

Antimicrob Agents Chemother. 2018 Apr 26;62(5). pii: e02642-17. doi: 10.1128/AAC.02642-17. Print 2018 May.


A colistin crisis in India.

Davies M, Walsh TR.

Lancet Infect Dis. 2018 Mar;18(3):256-257. doi: 10.1016/S1473-3099(18)30072-0. Epub 2018 Jan 31. No abstract available.


Erratum for Liu et al., "Plasmid-Mediated Novel blaNDM-17 Gene Encoding a Carbapenemase with Enhanced Activity in a Sequence Type 48 Escherichia coli Strain".

Liu Z, Wang Y, Walsh TR, Liu D, Shen Z, Zhang R, Yin W, Yao H, Li J, Shen J.

Antimicrob Agents Chemother. 2018 Jan 25;62(2). pii: e02467-17. doi: 10.1128/AAC.02467-17. Print 2018 Feb. No abstract available.


Combating Global Antibiotic Resistance: Emerging One Health Concerns in Lower- and Middle-Income Countries.

Nadimpalli M, Delarocque-Astagneau E, Love DC, Price LB, Huynh BT, Collard JM, Lay KS, Borand L, Ndir A, Walsh TR, Guillemot D; Bacterial Infections and antibiotic-Resistant Diseases among Young children in low-income countries (BIRDY) Study Group.

Clin Infect Dis. 2018 Mar 5;66(6):963-969. doi: 10.1093/cid/cix879.


Clinical Validation of SensiTest Colistin, a Broth Microdilution-Based Method To Evaluate Colistin MICs.

Carretto E, Brovarone F, Russello G, Nardini P, El-Bouseary MM, Aboklaish AF, Walsh TR, Tyrrell JM.

J Clin Microbiol. 2018 Mar 26;56(4). pii: e01523-17. doi: 10.1128/JCM.01523-17. Print 2018 Apr.


Probing nano-patterned peptide self-organisation at the aqueous graphene interface.

Hughes ZE, Walsh TR.

Nanoscale. 2017 Dec 21;10(1):302-311. doi: 10.1039/c7nr06441a.


Copper Ions and Coordination Complexes as Novel Carbapenem Adjuvants.

Djoko KY, Achard MES, Phan MD, Lo AW, Miraula M, Prombhul S, Hancock SJ, Peters KM, Sidjabat HE, Harris PN, Mitić N, Walsh TR, Anderson GJ, Shafer WM, Paterson DL, Schenk G, McEwan AG, Schembri MA.

Antimicrob Agents Chemother. 2018 Jan 25;62(2). pii: e02280-17. doi: 10.1128/AAC.02280-17. Print 2018 Feb.


Molecular Modelling of Peptide-Based Materials for Biomedical Applications.

Walsh TR.

Adv Exp Med Biol. 2017;1030:37-50. doi: 10.1007/978-3-319-66095-0_3.


Structural Disruption of an Adenosine-Binding DNA Aptamer on Graphene: Implications for Aptasensor Design.

Hughes ZE, Walsh TR.

ACS Sens. 2017 Nov 22;2(11):1602-1611. doi: 10.1021/acssensors.7b00435. Epub 2017 Nov 7.


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