Diana Urena-Lopez

San Jose, SJ, Costa Rica

Last Updated: 09/26/2026

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Found 13 publications

Beyond difficile: three novel toxin B-producing Clostridioides species from human patients with diarrhea.

Beyond difficile: three novel toxin B-producing Clostridioides species from human patients with diarrhea.

Journal: Emerging microbes & infections

Published: May 07, 2026

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.

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.

Journal: Toxins

Published: May 08, 2019

Proteogenomic analysis of the Clostridium difficile exoproteome reveals a correlation between phylogenetic distribution and virulence potential.

Proteogenomic analysis of the Clostridium difficile exoproteome reveals a correlation between phylogenetic distribution and virulence potential.

Journal: Anaerobe

Published: August 13, 2018

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

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

Journal: Scientific reports

Published: March 12, 2018

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

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

Journal: Infection and immunity

Published: July 18, 2017

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

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

Journal: Antimicrobial agents and chemotherapy

Published: September 23, 2016

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

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

Journal: Anaerobe

Published: February 14, 2016

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

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

Journal: Infection and immunity

Published: October 14, 2015

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.

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.

Journal: Emerging microbes & infections

Published: October 08, 2015

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

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

Journal: Anaerobe

Published: May 27, 2015

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

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

Journal: Journal of clinical microbiology

Published: February 06, 2015

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

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

Journal: Journal of medical microbiology

Published: November 30, 2013

Showing 1-12 of 13

Last Updated: 09/26/2026