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Your search keyword '"Tay, Moon Y. F."' showing total 5 results
Start Over Author "Tay, Moon Y. F." Topic anti-bacterial agents
5 results on '"Tay, Moon Y. F."'

1. A Glycosylated Cationic Block Poly(β-peptide) Reverses Intrinsic Antibiotic Resistance in All ESKAPE Gram-Negative Bacteria.

Author

Si Z, Lim HW, Tay MYF, Du Y, Ruan L, Qiu H, Zamudio-Vazquez R, Reghu S, Chen Y, Tiong WS, Marimuthu K, De PP, Ng OT, Zhu Y, Gan YH, Chi YR, Duan H, Bazan GC, Greenberg EP, Chan-Park MB, and Pethe K

Subjects
Carbapenems pharmacology, Drug Resistance, Multiple, Bacterial drug effects, Glycosylation, Microbial Sensitivity Tests, Protein Conformation, beta-Strand, Anti-Bacterial Agents pharmacology, Gram-Negative Bacteria drug effects, Peptides chemistry, Peptides pharmacology
Abstract

Carbapenem-resistant Gram-negative bacteria (GNB) are heading the list of pathogens for which antibiotics are the most critically needed. Many antibiotics are either unable to penetrate the outer-membrane or are excluded by efflux mechanisms. Here, we report a cationic block β-peptide (PAS8-b-PDM12) that reverses intrinsic antibiotic resistance in GNB by two distinct mechanisms of action. PAS8-b-PDM12 does not only compromise the integrity of the bacterial outer-membrane, it also deactivates efflux pump systems by dissipating the transmembrane electrochemical potential. As a result, PAS8-b-PDM12 sensitizes carbapenem- and colistin-resistant GNB to multiple antibiotics in vitro and in vivo. The β-peptide allows the perfect alternation of cationic versus hydrophobic side chains, representing a significant improvement over previous antimicrobial α-peptides sensitizing agents. Together, our results indicate that it is technically possible for a single adjuvant to reverse innate antibiotic resistance in all pathogenic GNB of the ESKAPE group, including those resistant to last resort antibiotics., (© 2020 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.)

Published
2020
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2. Extended-spectrum β-lactamase-producing Proteus mirabilis with multidrug resistance isolated from raw chicken in Singapore: Genotypic and phenotypic analysis.

Author

Guo S, Aung KT, Tay MYF, Seow KLG, Ng LC, and Schlundt J

Subjects
Animals, Chickens microbiology, Disease Reservoirs microbiology, Genome, Bacterial, Genotype, Microbial Sensitivity Tests, Phenotype, Proteus Infections microbiology, Proteus mirabilis enzymology, Proteus mirabilis genetics, Singapore, Whole Genome Sequencing, beta-Lactamases genetics, Anti-Bacterial Agents pharmacology, Disease Reservoirs veterinary, Drug Resistance, Multiple, Bacterial, Proteus Infections veterinary, Proteus mirabilis drug effects
Abstract

Objectives: Proteus mirabilis is ubiquitous in soil and water. It is an important catheter-associated urinary tract pathogen and has reportedly been associated with antimicrobial-resistant infections. This study reports the draft genome of a multidrug-resistant P. mirabilis isolated from raw retail chicken meat in Singapore., Methods: The P. mirabilis strain was isolated on Brilliance TM ESBL Agar and was screened for antimicrobial susceptibility against 29 antimicrobial agents using a MicroScan® Neg MIC Panel Type 44. The double-disk synergy test (DDST) was used for confirmation of extended-spectrum β-lactamase (ESBL) production. Genomic DNA from the pure culture isolate was extracted and was sent for sequencing based on Illumina HiSeq 2500 technology. Further bioinformatics analysis was performed using online tools available at the Center for Genomic Epidemiology., Results: Species identification of the isolate was performed by KmerFinder. Antimicrobial susceptibility testing of the isolate showed multidrug resistance to broad-spectrum β-lactams, fluoroquinolones and aminoglycosides, among others. ESBL production was confirmed by the DDST. A total of 29 antimicrobial resistance genes were detected by ResFinder., Conclusion: To the best of our knowledge, this is the first report of the whole-genome sequence of a multidrug-resistant P. mirabilis producing an ESBL from raw chicken meat in Singapore. This indicates that raw meat in Singapore can be a reservoir for drug-resistant pathogens., (Copyright © 2019 International Society for Antimicrobial Chemotherapy. Published by Elsevier Ltd. All rights reserved.)

Published
2019
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3. Conjugative IncX1 Plasmid Harboring Colistin Resistance Gene mcr-5.1 in Escherichia coli Isolated from Chicken Rice Retailed in Singapore.

Author

Guo S, Tay MYF, Thu AK, Seow KLG, Zhong Y, Ng LC, and Schlundt J

Subjects
Animals, Chickens microbiology, Drug Resistance, Bacterial genetics, Escherichia coli genetics, Escherichia coli isolation & purification, Food Microbiology, Microbial Sensitivity Tests, Plasmids genetics, Singapore, Anti-Bacterial Agents pharmacology, Colistin pharmacology, Escherichia coli drug effects, Meat microbiology, Oryza microbiology
Published
2019
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4. Whole-Genome Sequencing Analysis of Nontyphoidal Salmonella enterica of Chicken Meat and Human Origin Under Surveillance in Sri Lanka.

Author

Tay MYF, Pathirage S, Chandrasekaran L, Wickramasuriya U, Sadeepanie N, Waidyarathna KDK, Liyanage LDC, Seow KLG, Hendriksen RS, Takeuchi MT, and Schlundt J

Subjects
Animals, Chickens, Humans, Microbial Sensitivity Tests, Pilot Projects, Retrospective Studies, Salmonella enterica drug effects, Salmonella enteritidis isolation & purification, Serotyping, Sri Lanka, Whole Genome Sequencing, Anti-Bacterial Agents pharmacology, Drug Resistance, Multiple, Bacterial, Meat Products microbiology, Salmonella enterica classification, Salmonella enterica isolation & purification
Abstract

A total of 73 nontyphoidal Salmonella enterica isolates, 33 from raw chicken meat and 40 from routine clinical specimens, were collected between 2015 and 2017 from eight cities in Sri Lanka for a pilot study of whole-genome sequencing for Salmonella surveillance. The isolates were characterized by conventional serotyping and whole-genome sequencing. The raw sequenced data were assembled and analyzed to predict Salmonella serotypes, determine sequence type (ST) profiles of genome and plasmid, and identify plasmid replicon sequences and antimicrobial resistance (AMR) genes. The most common serovar isolated from chicken meat was Salmonella enterica serovar Agona of ST13 ( n  = 16), in contrast to Salmonella enterica serovar Enteritidis of ST11 ( n  = 21) in human. Salmonella enterica serovar Corvallis is the only serovar that was overlapping between human and chicken meat. The level of agreement between serotyping and serotype prediction results was 100%. Among the 33 chicken isolates, multidrug resistance (MDR) was observed in five isolates, including two Salmonella enterica serovar Kentucky ST314, which harbored six different classes of AMR determinants. Among the 40 human isolates, MDR was detected in two Salmonella enterica serovar Chester (ST2063) isolates containing five different antibiotic classes of AMR determinants. Out of 73 isolates, the only human Salmonella enterica serovar Typhimurium strain of ST36 was found to possess extended-spectrum beta-lactamase (ESBL) gene, bla CTX-M-15 , and it was positive for ESBL production. In summary, this study identified S . enterica serovars that were dominating in chicken meat and human and showed the genomic differences among the chicken meat and human strains. It should be noted that the limited number of isolates and sampling at a different time period means that thorough source attribution is not possible. To the best of our knowledge, this is the first report on the use of whole-genome sequencing analysis of nontyphoidal S . enterica isolated from chicken meat and human in Sri Lanka.

Published
2019
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5. Genomic analysis of sewage from 101 countries reveals global landscape of antimicrobial resistance

Author

Munk, Patrick, Brinch, Christian, Møller, Frederik Duus, Petersen, Thomas N., Hendriksen, Rene S., Seyfarth, Anne Mette, Kjeldgaard, Jette S., Svendsen, Christina Aaby, van Bunnik, Bram, Berglund, Fanny, Bego, Artan, Power, Pablo, Rees, Catherine, Lambrinidis, Dionisia, Neilson, Elizabeth Heather Jakobsen, Gibb, Karen, Coventry, Kris, Collignon, Peter, Cassar, Susan, Allerberger, Franz, Begum, Anowara, Hossain, Zenat Zebin, Worrell, Carlon, Vandenberg, Olivier, Pieters, Ilse, Victorien, Dougnon Tamègnon, Gutierrez, Angela Daniela Salazar, Soria, Freddy, Grujić, Vesna Rudić, Mazalica, Nataša, Rahube, Teddie O., Tagliati, Carlos Alberto, Rodrigues, Dalia, Oliveira, Guilherme, de Souza, Larissa Camila Ribeiro, Ivanov, Ivan, Juste, Bonkoungou Isidore, Oumar, Traoré, Sopheak, Thet, Vuthy, Yith, Ngandijo, Antoinette, Nzouankeu, Ariane, Olivier, Ziem A. Abah Jacques, Yost, Christopher K., Kumar, Pratik, Brar, Satinder Kaur, Tabo, Djim-Adjim, Adell, Aiko D., Paredes-Osses, Esteban, Martinez, Maria Cristina, Cuadros-Orellana, Sara, Ke, Changwen, Zheng, Huanying, Baisheng, Li, Lau, Lok Ting, Chung, Teresa, Jiao, Xiaoyang, Yu, Yongjie, JiaYong, Zhao, Morales, Johan F. Bernal, Valencia, Maria Fernanda, Donado-Godoy, Pilar, Coulibaly, Kalpy Julien, Hrenovic, Jasna, Jergović, Matijana, Karpíšková, Renáta, Deogratias, Zozo Nyarukweba, Elsborg, Bodil, Hansen, Lisbeth Truelstrup, Jensen, Pernille Erland, Abouelnaga, Mohamed, Salem, Mohamed Fathy, Koolmeister, Marliin, Legesse, Mengistu, Eguale, Tadesse, Heikinheimo, Annamari, Le Guyader, Soizick, Schaeffer, Julien, Villacis, Jose Eduardo, Sanneh, Bakary, Malania, Lile, Nitsche, Andreas, Brinkmann, Annika, Schubert, Sara, Hesse, Sina, Berendonk, Thomas U., Saba, Courage Kosi Setsoafia, Mohammed, Jibril, Feglo, Patrick Kwame, Banu, Regina Ama, Kotzamanidis, Charalampos, Lytras, Efthymios, Lickes, Sergio A., Kocsis, Bela, Solymosi, Norbert, Thorsteinsdottir, Thorunn R., Hatha, Abdulla Mohamed, Ballal, Mamatha, Bangera, Sohan Rodney, Fani, Fereshteh, Alebouyeh, Masoud, Morris, Dearbhaile, O’Connor, Louise, Cormican, Martin, Moran-Gilad, Jacob, Battisti, Antonio, Diaconu, Elena Lavinia, Corno, Gianluca, Di Cesare, Andrea, Alba, Patricia, Hisatsune, Junzo, Yu, Liansheng, Kuroda, Makoto, Sugai, Motoyuki, Kayama, Shizuo, Shakenova, Zeinegul, Kiiyukia, Ciira, Ng’eno, Eric, Raka, Lul, Jamil, Kazi, Fakhraldeen, Saja Adel, Alaati, Tareq, Bērziņš, Aivars, Avsejenko, Jeļena, Kokina, Kristina, Streikisa, Madara, Bartkevics, Vadims, Matar, Ghassan M., Daoud, Ziad, Pereckienė, Asta, Butrimaite-Ambrozeviciene, Ceslova, Penny, Christian, Bastaraud, Alexandra, Rasolofoarison, Tiavina, Collard, Jean-Marc, Samison, Luc Hervé, Andrianarivelo, Mala Rakoto, Banda, Daniel Lawadi, Amin, Arshana, Rajandas, Heraa, Parimannan, Sivachandran, Spiteri, David, Haber, Malcolm Vella, Santchurn, Sunita J., Vujacic, Aleksandar, Djurovic, Dijana, Bouchrif, Brahim, Karraouan, Bouchra, Vubil, Delfino Carlos, Pal, Pushkar, Schmitt, Heike, van Passel, Mark, Jeunen, Gert-Jan, Gemmell, Neil, Chambers, Stephen T., Mendoza, Fania Perez, Huete-Pιrez, Jorge, Vilchez, Samuel, Ahmed, Akeem Olayiwola, Adisa, Ibrahim Raufu, Odetokun, Ismail Ayoade, Fashae, Kayode, Sørgaard, Anne-Marie, Wester, Astrid Louise, Ryrfors, Pia, Holmstad, Rune, Mohsin, Mashkoor, Hasan, Rumina, Shakoor, Sadia, Gustafson, Natalie Weiler, Schill, Claudia Huber, Rojas, Maria Luz Zamudio, Velasquez, Jorge Echevarria, Magtibay, Bonifacio B., Catangcatang, Kris, Sibulo, Ruby, Yauce, Felipe Campos, Wasyl, Dariusz, Manaia, Celia, Rocha, Jaqueline, Martins, Jose, Álvaro, Pedro, Di Yoong Wen, Doris, Shin, Hanseob, Hur, Hor-Gil, Yoon, Sukhwan, Bosevska, Golubinka, Kochubovski, Mihail, Cojocaru, Radu, Burduniuc, Olga, Hong, Pei-Ying, Perry, Meghan Rose, Gassama, Amy, Radosavljevic, Vladimir, Tay, Moon Y. F., Zuniga-Montanez, Rogelio, Wuertz, Stefan, Gavačová, Dagmar, Pastuchová, Katarína, Truska, Peter, Trkov, Marija, Keddy, Karen, Esterhuyse, Kerneels, Song, Min Joon, Quintela-Baluja, Marcos, Lopez, Mariano Gomez, Cerdà-Cuéllar, Marta, Perera, R.R.D.P., Bandara, N.K.B.K.R.G.W., Premasiri, H.I., Pathirage, Sujatha, Charlemagne, Kareem, Rutgersson, Carolin, Norrgren, Leif, Örn, Stefan, Boss, Renate, Van der Heijden, Tanja, Hong, Yu-Ping, Kumburu, Happiness Houka, Mdegela, Robinson Hammerthon, Hounmanou, Yaovi Mahuton Gildas, Chonsin, Kaknokrat, Suthienkul, Orasa, Thamlikitkul, Visanu, de Roda Husman, Ana Maria, Bidjada, Bawimodom, Njanpop-Lafourcade, Berthe-Marie, Nikiema-Pessinaba, Somtinda Christelle, Levent, Belkis, Kurekci, Cemil, Ejobi, Francis, Kalule, John Bosco, Thomsen, Jens, Obaidi, Ouidiane, Jassim, Laila Mohamed, Moore, Andrew, Leonard, Anne, Graham, David W., Bunce, Joshua T., Zhang, Lihong, Gaze, William H., Lefor, Brett, Capone, Drew, Sozzi, Emanuele, Brown, Joe, Meschke, John Scott, Sobsey, Mark D., Davis, Michael, Beck, Nicola Koren, Sukapanpatharam, Pardi, Truong, Phuong, Lilienthal, Ronald, Kang, Sanghoon, Wittum, Thomas E., Rigamonti, Natalia, Baklayan, Patricia, Van, Chinh Dang, Tran, Doan Minh Nguyen, Do Phuc, Nguyen, Kwenda, Geoffrey, Larsson, D. G. Joakim, Koopmans, Marion, Woolhouse, Mark, Aarestrup, Frank M., Virology, Producció Animal, and Sanitat Animal

Subjects
genomic analysis, sewage, antimicrobial resistance, Multidisciplinary, Sewage, Drug Resistance, Bacterial, Metagenome, General Physics and Astronomy, Drug Resistance, Bacterial/genetics, Genomics, General Chemistry, General Biochemistry, Genetics and Molecular Biology, Anti-Bacterial Agents/pharmacology, Anti-Bacterial Agents
Abstract

Antimicrobial resistance (AMR) is a major threat to global health. Understanding the emergence, evolution, and transmission of individual antibiotic resistance genes (ARGs) is essential to develop sustainable strategies combatting this threat. Here, we use metagenomic sequencing to analyse ARGs in 757 sewage samples from 243 cities in 101 countries, collected from 2016 to 2019. We find regional patterns in resistomes, and these differ between subsets corresponding to drug classes and are partly driven by taxonomic variation. The genetic environments of 49 common ARGs are highly diverse, with most common ARGs carried by multiple distinct genomic contexts globally and sometimes on plasmids. Analysis of flanking sequence revealed ARG-specific patterns of dispersal limitation and global transmission. Our data furthermore suggest certain geographies are more prone to transmission events and should receive additional attention. Antimicrobial resistance (AMR) is a major threat to global health. Understanding the emergence, evolution, and transmission of individual antibiotic resistance genes (ARGs) is essential to develop sustainable strategies combatting this threat. Here, we use metagenomic sequencing to analyse ARGs in 757 sewage samples from 243 cities in 101 countries, collected from 2016 to 2019. We find regional patterns in resistomes, and these differ between subsets corresponding to drug classes and are partly driven by taxonomic variation. The genetic environments of 49 common ARGs are highly diverse, with most common ARGs carried by multiple distinct genomic contexts globally and sometimes on plasmids. Analysis of flanking sequence revealed ARG-specific patterns of dispersal limitation and global transmission. Our data furthermore suggest certain geographies are more prone to transmission events and should receive additional attention.

Published
2022
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