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Items: 27


cfr(B), cfr(C), and a new cfr-like gene, cfr(E), in Clostridium difficile strains recovered across Latin America.

Stojković V, Ulate MF, Hidalgo-Villeda F, Aguilar E, Monge-Cascante C, Pizarro-Guajardo M, Tsai K, Tzoc E, Camorlinga M, Paredes-Sabja D, Quesada-Gómez C, Fujimori DG, Rodríguez C.

Antimicrob Agents Chemother. 2019 Nov 4. pii: AAC.01074-19. doi: 10.1128/AAC.01074-19. [Epub ahead of print]


Toxin B Variants from Clostridium difficile Strains VPI 10463 and NAP1/027 Share Similar Substrate Profile and Cellular Intoxication Kinetics but Use Different Host Cell Entry Factors.

López-Ureña D, Orozco-Aguilar J, Chaves-Madrigal Y, Ramírez-Mata A, Villalobos-Jimenez A, Ost S, Quesada-Gómez C, Rodríguez C, Papatheodorou P, Chaves-Olarte E.

Toxins (Basel). 2019 Jun 17;11(6). pii: E348. doi: 10.3390/toxins11060348.


Multidrug-resistant Clostridium difficile ribotypes 078 and 014/5-FLI01 in piglets from Costa Rica.

Andino-Molina M, Barquero-Calvo E, Seyboldt C, Schmoock G, Neubauer H, Tzoc E, Rodríguez C, Quesada-Gómez C.

Anaerobe. 2019 Feb;55:78-82. doi: 10.1016/j.anaerobe.2018.11.004. Epub 2018 Nov 8.


Novel Clade C-I Clostridium difficile strains escape diagnostic tests, differ in pathogenicity potential and carry toxins on extrachromosomal elements.

Ramírez-Vargas G, López-Ureña D, Badilla A, Orozco-Aguilar J, Murillo T, Rojas P, Riedel T, Overmann J, González G, Chaves-Olarte E, Quesada-Gómez C, Rodríguez C.

Sci Rep. 2018 Sep 17;8(1):13951. doi: 10.1038/s41598-018-32390-6.


Diversity of multidrug-resistant epidemic Clostridium difficile NAP1/RT027/ST01 strains in tertiary hospitals from Honduras.

Hidalgo-Villeda F, Tzoc E, Torres L, Bu E, Rodríguez C, Quesada-Gómez C.

Anaerobe. 2018 Aug;52:75-78. doi: 10.1016/j.anaerobe.2018.06.001. Epub 2018 Jun 8.


Molecular epidemiology and antimicrobial resistance of Clostridium difficile in a national geriatric hospital in Costa Rica.

Jiménez A, Araya R, Paniagua D, Camacho-Mora Z, Du T, Golding GR, Leandro-Astorga G, Rodríguez C, Quesada-Gómez C.

J Hosp Infect. 2018 Aug;99(4):475-480. doi: 10.1016/j.jhin.2018.03.027. Epub 2018 Mar 28.


Molecular epidemiology of Clostridium difficile infection in a Brazilian cancer hospital.

Costa CL, Mano de Carvalho CB, González RH, Gifoni MAC, Ribeiro RA, Quesada-Gómez C, Brito GAC.

Anaerobe. 2017 Dec;48:232-236. doi: 10.1016/j.anaerobe.2017.10.001. Epub 2017 Oct 5.


Transforming Growth Factor β1/SMAD Signaling Pathway Activation Protects the Intestinal Epithelium from Clostridium difficile Toxin A-Induced Damage.

Tinoco-Veras CM, Santos AAQA, Stipursky J, Meloni M, Araujo APB, Foschetti DA, López-Ureña D, Quesada-Gómez C, Leitão RFC, Gomes FCA, Brito GAC.

Infect Immun. 2017 Sep 20;85(10). pii: e00430-17. doi: 10.1128/IAI.00430-17. Print 2017 Oct.


A Clostridium difficile Lineage Endemic to Costa Rican Hospitals Is Multidrug Resistant by Acquisition of Chromosomal Mutations and Novel Mobile Genetic Elements.

Ramírez-Vargas G, Quesada-Gómez C, Acuña-Amador L, López-Ureña D, Murillo T, Del Mar Gamboa-Coronado M, Chaves-Olarte E, Thomson N, Rodríguez-Cavallini E, Rodríguez C.

Antimicrob Agents Chemother. 2017 Mar 24;61(4). pii: e02054-16. doi: 10.1128/AAC.02054-16. Print 2017 Apr.


Predictive factors of difficulty in lower third molar extraction: A prospective cohort study.

Alvira-González J, Figueiredo R, Valmaseda-Castellón E, Quesada-Gómez C, Gay-Escoda C.

Med Oral Patol Oral Cir Bucal. 2017 Jan 1;22(1):e108-e114.


A MLST Clade 2 Clostridium difficile strain with a variant TcdB induces severe inflammatory and oxidative response associated with mucosal disruption.

Costa CL, López-Ureña D, de Oliveira Assis T, Ribeiro RA, Silva RO, Rupnik M, Wilcox MH, de Carvalho AF, do Carmo AO, Dias AA, de Carvalho CB, Chaves-Olarte E, Rodríguez C, Quesada-Gómez C, de Castro Brito GA.

Anaerobe. 2016 Aug;40:76-84. doi: 10.1016/j.anaerobe.2016.06.005. Epub 2016 Jun 14.


Predominance and high antibiotic resistance of the emerging Clostridium difficile genotypes NAPCR1 and NAP9 in a Costa Rican hospital over a 2-year period without outbreaks.

López-Ureña D, Quesada-Gómez C, Montoya-Ramírez M, del Mar Gamboa-Coronado M, Somogyi T, Rodríguez C, Rodríguez-Cavallini E.

Emerg Microbes Infect. 2016 May 11;5:e42. doi: 10.1038/emi.2016.38.


Analysis of TcdB Proteins within the Hypervirulent Clade 2 Reveals an Impact of RhoA Glucosylation on Clostridium difficile Proinflammatory Activities.

Quesada-Gómez C, López-Ureña D, Chumbler N, Kroh HK, Castro-Peña C, Rodríguez C, Orozco-Aguilar J, González-Camacho S, Rucavado A, Guzmán-Verri C, Lawley TD, Lacy DB, Chaves-Olarte E.

Infect Immun. 2016 Jan 11;84(3):856-65. doi: 10.1128/IAI.01291-15.


Identification and antimicrobial susceptibility of obligate anaerobic bacteria from clinical samples of animal origin.

Mayorga M, Rodríguez-Cavallini E, López-Ureña D, Barquero-Calvo E, Quesada-Gómez C.

Anaerobe. 2015 Dec;36:19-24. doi: 10.1016/j.anaerobe.2015.09.003. Epub 2015 Sep 15.


Emergence of an outbreak-associated Clostridium difficile variant with increased virulence.

Quesada-Gómez C, López-Ureña D, Acuña-Amador L, Villalobos-Zúñiga M, Du T, Freire R, Guzmán-Verri C, del Mar Gamboa-Coronado M, Lawley TD, Moreno E, Mulvey MR, de Castro Brito GA, Rodríguez-Cavallini E, Rodríguez C, Chaves-Olarte E.

J Clin Microbiol. 2015 Apr;53(4):1216-26. doi: 10.1128/JCM.03058-14. Epub 2015 Feb 4.


Community-acquired diarrhea associated with Clostridium difficile in an HIV-positive cancer patient: first case report in Latin America.

Costa CL, Quesada-Gómez C, de Carvalho CB, González RH, Gifoni MA, Ribeiro RA, de Castro Brito GA.

Int J Infect Dis. 2014 Sep;26:138-9. doi: 10.1016/j.ijid.2014.06.010. Epub 2014 Jul 25.


In vitro effect of antibiotics on biofilm formation by Bacteroides fragilis group strains isolated from intestinal microbiota of dogs and their antimicrobial susceptibility.

Silva JO, Martins Reis AC, Quesada-Gómez C, Pinheiro AQ, Freire RS, Oriá RB, de Carvalho CB.

Anaerobe. 2014 Aug;28:24-8. doi: 10.1016/j.anaerobe.2014.04.010. Epub 2014 May 4. Review.


Phenotypic and genotypic characterization of multidrug-resistant Bacteroides, Parabacteroides spp., and Pseudoflavonifractor from a Costa Rican hospital.

Molina J, Barrantes G, Quesada-Gómez C, Rodríguez C, Rodríguez-Cavallini E.

Microb Drug Resist. 2014 Oct;20(5):478-84. doi: 10.1089/mdr.2013.0180. Epub 2014 Mar 7.


Spread of epidemic Clostridium difficile NAP1/027 in Latin America: case reports in Panama.

López-Ureña D, Quesada-Gómez C, Miranda E, Fonseca M, Rodríguez-Cavallini E.

J Med Microbiol. 2014 Feb;63(Pt 2):322-4. doi: 10.1099/jmm.0.066399-0. Epub 2013 Nov 28.


Scarce detection of mobile erm genes associated with tetQ in Bacteroides and Parabacteroides from Costa Rica.

Quesada-Gómez C, Rodríguez-Cavallini E, Rodríguez C.

Anaerobe. 2013 Jun;21:18-21. doi: 10.1016/j.anaerobe.2013.03.006. Epub 2013 Mar 22.


Isolation of a toxigenic and clinical genotype of clostridium difficile in retail meats in Costa Rica.

Quesada-Gómez C, Mulvey MR, Vargas P, Gamboa-Coronado Mdel M, Rodríguez C, Rodríguez-Cavillini E.

J Food Prot. 2013 Feb;76(2):348-51. doi: 10.4315/0362-028X.JFP-12-169.


Resistance of Bacteroides isolates recovered among clinical samples from a major Costa Rican hospital between 2000 and 2008 to ß-lactams, clindamycin, metronidazole, and chloramphenicol.

Cordero-Laurent E, Rodríguez C, Rodríguez-Cavallini E, Gamboa-Coronado MM, Quesada-Gómez C.

Rev Esp Quimioter. 2012 Dec;25(4):261-5.


Community-acquired Clostridium difficile NAP1/027-associated diarrhea in an eighteen month old child.

Quesada-Gómez C, Vargas P, López-Ureña D, Gamboa-Coronado Mdel M, Rodríguez-Cavallini E.

Anaerobe. 2012 Dec;18(6):581-3. doi: 10.1016/j.anaerobe.2012.10.002. Epub 2012 Oct 29.


Phenotypic identification of over 1000 isolates of anaerobic bacteria recovered between 1999 and 2008 in a major Costa Rican hospital.

Rodríguez-Cavallini E, Vargas P, Rodríguez C, Quesada-Gómez C, Gamboa-Coronado MM.

Clin Microbiol Infect. 2011 Jul;17(7):1043-7. doi: 10.1111/j.1469-0691.2010.03419.x. Epub 2011 Feb 3.


Emergence of Clostridium difficile NAP1 in Latin America.

Quesada-Gómez C, Rodríguez C, Gamboa-Coronado Mdel M, Rodríguez-Cavallini E, Du T, Mulvey MR, Villalobos-Zúñiga M, Boza-Cordero R.

J Clin Microbiol. 2010 Feb;48(2):669-70. doi: 10.1128/JCM.02196-09. Epub 2009 Nov 25. No abstract available.


Stafne bone cavity: a retrospective study of 11 cases.

Quesada-Gómez C, Valmaseda-Castellón E, Berini-Aytés L, Gay-Escoda C.

Med Oral Patol Oral Cir Bucal. 2006 May 1;11(3):E277-80.

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