33.
Pérez-Cascales E, Caballero F, Martínez-Ventura A, Ayzanoa B, Prado-Zapata M, Baldiviezo-Soliz E, Carballo-Jiménez P, Tinajeros-Guzmán F, Cuicapuza D, Tsukayama P.
Genomic epidemiology of SARS-CoV-2 in Bolivia, 2020-2024.
Microbiology Spectrum 2025
doi: 10.1128/spectrum.01280-25

32.
Ayzanoa B, Salvatierra G, Cuicapuza D, Furlan JPR, Sellera FP, Chavez L, Esposito F, Tsukayama P, Lincopan N. 
Shelter dogs as reservoirs of international clones of Escherichia coli carrying mcr-1.1 and bla(CTX-M) resistance genes in Lima, Peru. 
Veterinary Microbiology 2025
doi: 10.1016/j.vetmic.2025.110543

31.
Caballero F, Martínez-Ventura A, Cuicapuza D, Fajardo-Loyola A, Gutiérrez-Ajalcriña R, Soto-Pastrana J, Asmat-Marrufo P, Barco-Yaipen de Vera E, Meza-Fernández H, Chambi-Quispe M, Pino-Dueñas J, Laura-Rivas N, Briones-Alejo A, Díaz-Rengifo P, Peralta-Siesquen C, Salvatierra G, Tsukayama P, Marcos-Carbajal P.
Genomic diversity of uropathogenic Escherichia coli in clinical isolates from six Latin American countries, 2018-2023.
Revista Peruana de Medicina Experimental y Salud Pública 2025
doi: 10.17843/rpmesp.2025.422.14299

30.
Quispe-Villegas G, Alcántara-Lozano GI, Cuicapuza D, Laureano R, Ayzanoa B, Tsukayama P, Tamariz J. 
In vivo evaluation of phage therapy against Klebsiella pneumoniae using the Galleria mellonella model and molecular characterization of a novel Drulisvirus phage species.
Microbiology Spectrum 2025
doi: 10.1128/spectrum.01145-24

29.
Krapp F, Cuicapuza D, Salvatierra G, Buteau JP, Amaro C, Astocondor L, Hinostroza N, Jacobs J, García C, Tsukayama P.
Emerging carbapenem-resistant Klebsiella pneumoniae in a tertiary care hospital in Lima, Peru.
Microbiology Spectrum 2025
doi: 10.1128/spectrum.01825-24

28.
Solis Cayo L, Hammerbauerová I, Sommer J, Nemati Z, Ballhorn W, Tsukayama P, Dichter A, Votýpka J, Kempf VAJ. 
Genome sequences of three Bartonella schoenbuchensis strains from Czechia. 
Microbiology Resource Announcements 2024.
doi: 10.1128/mra.00397-24

27.
Acevedo-Rodriguez JG, Zamudio C, Kojima N, Krapp F, Tsukayama P, Sal Y Rosas Celi VG, Baldeon D, Neciosup-Vera CS, Medina C, Gonzalez-Lagos E, Castro L, Fowlkes A, Azziz-Baumgartner E, Gotuzzo E.
Influenza incidence, lineages, and vaccine effectiveness estimates in Lima, Peru, 2023.
Lancet Microbe 2024
doi: 10.1016/S2666-5247(23)00392-0

26.
Cuicapuza D, Loyola S, Velásquez J, Fernández N, Llanos C, Ruiz J, Tsukayama P, Tamariz J.
Molecular characterization of carbapenemase-producing Enterobacterales in a tertiary hospital in Lima, Peru. 
Microbiology Spectrum 2024
doi: 10.1128/spectrum.02503-23

25.
Marcos-Carbajal P, Yareta-Yareta J, Otiniano-Trujillo M, Galarza-Pérez M, Espinoza-Culupu A, Ramirez-Melgar JL, Chambi-Quispe M, Luque-Chipana NA, Gutiérrez Ajalcriña R, Sucñer Cruz V, López Chegne SN, Santillán Ruiz D, Segura Chavez LF, Sias Garay CE, Salazar Granara A, Tsukayama P, Tapia Paniagua ST, González-Domenech CM.
Detection of SARS-CoV-2 variants in hospital wastewater in Peru, 2022.
Revista Peruana de Medicina Experimental y Salud Pública 2024
doi: 10.17843/rpmesp.2024.412.13484

24.
Fuhrmeister ER, Harvey AP, Nadimpalli ML, Gallandat K, Ambelu A, Arnold BF, Brown J, Cumming O, Earl AM, Kang G, Kariuki S, Levy K, Pinto Jimenez CE, Swarthout JM, Trueba G, Tsukayama P, Worby CJ, Pickering AJ.
Evaluating the relationship between community water and sanitation access and the global burden of antibiotic resistance: an ecological study.
Lancet Microbe 2023
doi: 10.1016/S2666-5247(23)00137-4

23.
Malaga JL, Pajuelo MJ, Okamoto M, Tsinda EK, Otani K, Tsukayama P, Mascaro L, Cuicapuza D, Katsumi M, Kawamura K, Nishimura H, Sakagami A, Ueki Y, Omiya S, Okamoto S, Nakayama A, Fujimaki SI, Yu C, Azam S, Kodama E, Dapat C, Oshitani H, Saito M.
Rapid Detection of SARS-CoV-2 RNA Using Reverse Transcription Recombinase Polymerase Amplification (RT-RPA) with Lateral Flow for N-Protein Gene and Variant-Specific Deletion-Insertion Mutation in S-Protein Gene.
Viruses 2023
doi: 10.3390/v15061254

22.
González L, Paredes Sosa JL, Mosquito S, Filio Y, Romero PE, Ochoa TJ, Tsukayama P. 
Oral lactoferrin administration does not impact the diversity or composition of the infant gut microbiota in a Peruvian cohort. 
Microbiology Spectrum 2023
doi: 10.1128/spectrum.00096-23

21.
Campos CJ, Pajuelo-Reyes C, Rojas LM, De La Cruz-Vargas JA, Tejedo JR, Tapia-Limonchi R, Tsukayama P, Chenet SM. 
Prevalence of SARS-CoV-2 Variants and Disease Outcome of COVID-19 Patients in the Amazonas Region of Peru. 
American Journal of Tropical Medicine & Hygiene 2023
doi: 10.4269/ajtmh.22-0739

20.
Cuicapuza D, Alvarado L, Tocasca N, Aguilar D, Gómez-de-la-Torre JC, Salvatierra G, Tsukayama P, Tamariz J. 
First Report of OXA-181-Producing Enterobacterales Isolates in Latin America.
Microbiology Spectrum 2023
doi: 10.1128/spectrum.04584-22

19.
Molina-Mora JA, Reales-González J, Camacho E, Duarte-Martínez F, Tsukayama P, Soto-Garita C, Brenes H, Cordero-Laurent E, Ribeiro Dos Santos A, Guedes Salgado C, Santos Silva C, Santana de Souza J, Nunes G, Negri T, Vidal A, Oliveira R, Oliveira G, Muñoz-Medina JE, Salas-Lais AG, Mireles-Rivera G, Sosa E, Turjanski A, Monzani MC, Carobene MG, Remes Lenicov F, Schottlender G, Fernández Do Porto DA, Kreuze JF, Sacristán L, Guevara-Suarez M, Cristancho M, Campos-Sánchez R, Herrera-Estrella A.
Overview of the SARS-CoV-2 genotypes circulating in Latin America during 2021.
Frontiers in Public Health 2023
doi: 10.3389/fpubh.2023.1095202

18.
Quispe-Ricalde MA, Castelán-Sánchez HG, Meza-Rodríguez PM, Dávila-Ramos S, Sierra JL, Batista-Garcia R, Concha-Velasco F, Lucana SF, De Santa Cruz J, Zea V, Galarza M, Caceres-Rey O, Tsukayama P, Foronda P, Soto-Chambi BJ, Abreu N.
Evidence of natural selection and dominance of SARS-CoV-2 variant Lambda (C.37) over variants of concern in Cusco, Peru.
Archives in Virology 2023
doi: 10.1007/s00705-022-05645-x

17.
Cabello-Vílchez AM, Dávila-Barclay A, Tsukayama P. 
Isolation and Genomic Analysis of an Intracellular Mycobacterium gordonae from a Free-Living Acanthamoeba sp. in a Hospital Environment in Lima, Peru. 
Microbiology Resource Announcements 2022
doi: 10.1128/mra.00784-22

16.
Carrillo-Larco RM, Guzman-Vilca WC, Leon-Velarde F, Bernabe-Ortiz A, Jimenez MM, Penny ME, Gianella C, Leguía M, Tsukayama P, Hartinger SM, Lescano AG, Cuba-Fuentes MS, Cutipé Y, Diez-Canseco F, Mendoza W, Ugarte-Gil C, Valdivia-Gago A, Zavaleta-Cortijo C, Miranda JJ.
Peru - Progress in health and sciences in 200 years of independence.
Lancet Regional Health Americas 2022
doi: 10.1016/j.lana.2021.100148

15.
Dávalos-Almeyda M, Guerrero A, Medina G, Dávila-Barclay A, Salvatierra G, Calderón M, Gilman RH, Tsukayama P. 
Antibiotic Use and Resistance Knowledge Assessment of Personnel on Chicken Farms with High Levels of Antimicrobial Resistance: A Cross-Sectional Survey in Ica, Peru. 
Antibiotics 2022
doi: 10.3390/antibiotics11020190

14.
Dichter AA, Schultze TG, Wenigmann A, Ballhorn W, Latz A, Schlüfter E, Ventosilla P, Guerra Allison H, Ugarte-Gil C, Tsukayama P, Kempf VAJ.
Identification of immunodominant Bartonella bacilliformis proteins: a combined in-silico and serology approach.
Lancet Microbe 2021
doi: 10.1016/S2666-5247(21)00184-1

13.
Romero PE, Dávila-Barclay A, Salvatierra G, González L, Cuicapuza D, Solís L, Marcos-Carbajal P, Huancachoque J, Maturrano L, Tsukayama P.
The Emergence of Sars-CoV-2 Variant Lambda (C.37) in South America.
Microbiology Spectrum 2021
doi: 10.1128/Spectrum.00789-21.

12.
Marcos-Carbajal P, Salvatierra G, Yareta J, Pino J, Vásquez N, Diaz P, Martínez I, Asmat P, Peralta C, Huamani C, Briones A, Ruiz M, Laura N, Luque Á, Arapa L, Tsukayama P.
Microbiological and molecular characterization of antimicrobial resistance in uropathogenic Escherichia coli from peruvian public hospitals.
Revista Peruana de Medicina Experimental y Salud Pública 2021
doi: 10.17843/rpmesp.2021.381.6182.

11.
Salvatierra G, Dávila-Barclay A, Ayzanoa B, Cuicapuza D, Santillán-Salas C, Tsukayama P. 
Draft Genome Sequence of a bla(KPC-2)-Carrying Citrobacter braakii Isolate from Pediatric Hospital Wastewater in Peru. 
Microbiology Resource Announcements 2021
doi: 10.1128/MRA.00569-21

10.
Murray M, Salvatierra G, Dávila-Barclay A, Ayzanoa B, Castillo-Vilcahuaman C, Huang M, Pajuelo MJ, Lescano AG, Cabrera L, Calderón M, Berg DE, Gilman RH, Tsukayama P.
Market Chickens as a Source of Antibiotic-Resistant Escherichia coli in a Peri-Urban Community in Lima, Peru.
Frontiers in Microbiology 2021
doi: 10.3389/fmicb.2021.635871

09.
Lezameta L, Cuicapuza D, Dávila-Barclay A, Torres S, Salvatierra G, Tsukayama P, Tamariz J.
Draft Genome Sequence of a New Delhi Metallo-β-Lactamase (NDM-1)-Producing Providencia stuartii Strain Isolated in Lima, Peru. 
Microbiol Resource Announcements 2020
doi: 10.1128/MRA.00788-20

08.
Nadimpalli ML, Marks SJ, Montealegre MC, Gilman RH, Pajuelo MJ, Saito M, Tsukayama P, Njenga SM, Kiiru J, Swarthout J, Islam MA, Julian TR, Pickering AJ.
Urban informal settlements as hotspots of antimicrobial resistance and the need to curb environmental transmission.
Nature Microbiology 2020
doi: 10.1038/s41564-020-0722-0

07.
Dichter AA, Schultze TG, Becker SA, Tsukayama P, Kempf VAJ. 
Complete Genome Sequence of Bartonella bacilliformis Strain KC584 (ATCC 35686). 
Microbiol Resource Announcements 2020
doi: 10.1128/MRA.01377-19

06.
Tsukayama P, Boolchandani M, Patel S, Pehrsson EC, Gibson MK, Chiou KL, Jolly CJ, Rogers J, Phillips-Conroy JE, Dantas G. 
Characterization of Wild and Captive Baboon Gut Microbiota and Their Antibiotic Resistomes. 
mSystems 2018
doi: 10.1128/mSystems.00016-18

05.
Pehrsson EC, Tsukayama P, Patel S, Mejía-Bautista M, Sosa-Soto G, Navarrete KM, Calderon M, Cabrera L, Hoyos-Arango W, Bertoli MT, Berg DE, Gilman RH, Dantas G.
Interconnected microbiomes and resistomes in low-income human habitats.
Nature 2016
doi: 10.1038/nature17672

04.
Tsukayama P, Núñez JH, De Los Santos M, Soberón V, Lucas CM, Matlashewski G, Llanos-Cuentas A, Ore M, Baldeviano GC, Edgel KA, Lescano AG, Graf PC, Bacon DJ.
A FRET-based real-time PCR assay to identify the main causal agents of New World tegumentary leishmaniasis.
PLoS Neglected Tropical Diseases 2013
doi: 10.1371/journal.pntd.0001956

03.
Bacon DJ, McCollum AM, Griffing SM, Salas C, Soberon V, Santolalla M, Haley R, Tsukayama P, Lucas C, Escalante AA, Udhayakumar V. Dynamics of malaria drug resistance patterns in the Amazon basin region following changes in Peruvian national treatment policy for uncomplicated malaria.
Antimicrobial Agents & Chemotherapy 2009
doi: 10.1128/AAC.01677-08

02.
Henderson JP, Crowley JR, Pinkner JS, Walker JN, Tsukayama P, Stamm WE, Hooton TM, Hultgren SJ. 
Quantitative metabolomics reveals an epigenetic blueprint for iron acquisition in uropathogenic Escherichia coli. 
PLoS Pathogens 2009
doi: 10.1371/journal.ppat.1000305

01.
Tsukayama P, Lucas C, Bacon DJ. 
Typing of four genetic loci discriminates among closely related species of New World Leishmania. 
International Journal for Parasitology 2009
doi: 10.1016/j.ijpara.2008.08.004