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List of works by Joaquím Ruiz

A comparison of human metapneumovirus and respiratory syncytial virus WHO-defined severe pneumonia in Moroccan children.

scientific article published on 6 July 2015

A double mutation in the gyrA gene is necessary to produce high levels of resistance to moxifloxacin in Campylobacter spp. clinical isolates

scientific article published in June 2005

Activity of clinafloxacin, compared with six other quinolones, against Acinetobacter baumannii clinical isolates

scientific article

Aetiology, epidemiology and clinical characteristics of acute moderate-to-severe diarrhoea in children under 5 years of age hospitalized in a referral paediatric hospital in Rabat, Morocco

scientific article published on 28 November 2014

An unidentified cluster of infection in the Peruvian Amazon region.

scientific article

Analysis of quinolone-resistance in commensal and diarrheagenic Escherichia coli isolates from infants in Lima, Peru

scientific article published on 03 December 2013

Analysis of the clonal relationship among clinical isolates of Salmonella enterica serovar Infantis by different typing methods

scientific article published in May 2003

Analysis of the mechanism of quinolone resistance in nalidixic acid-resistant clinical isolates of Salmonella serotype Typhimurium

scientific article published in July 1997

Analysis of the mechanisms of quinolone resistance in clinical isolates of Citrobacter freundii.

scientific article published in December 1999

Analysis of the presence of erroneous Qnr sequences in GenBank.

scientific article published on 3 February 2018

Antibiotic Usage Prior and During Hospitalization for Clinical Severe Pneumonia in Children under Five Years of Age in Rabat, Morocco

scientific article published on 26 September 2013

Antibiotic resistance in Bartonella bacilliformis clinical isolates from an endemic area of Peru.

scientific article published on 6 July 2015

Antibiotic susceptibility among non-clinical Escherichia coli as a marker of antibiotic pressure in Peru (2009–2019): one health approach

scientific article published in 2022

Antimicrobial drug resistance trends of bacteremia isolates in a rural hospital in southern Mozambique

scientific article

Antimicrobial resistance in Shigella spp. causing traveller's diarrhoea (1995-2010): a retrospective analysis

scientific article

Antimicrobial resistance levels among diarrhoeagenic micro-organisms recovered from children under-5 with acute moderate-to-severe diarrhoea in Rabat, Morocco

scientific article

Antimicrobial resistance of Vibrio cholerae O1 serotype Ogawa isolated in Manhiça District Hospital, southern Mozambique

scientific article published on 11 July 2007

Antimicrobial susceptibility and mechanisms of resistance in Shigella and Salmonella isolates from children under five years of age with diarrhea in rural Mozambique

scientific article

Are quinolone-resistant uropathogenic Escherichia coli less virulent?

scientific article published on 13 September 2002

Azithromycin resistance levels and mechanisms in Escherichia coli

scientific article published on 15 April 2019

Bartonella bacilliformis, endemic pathogen of the Andean region, is intrinsically resistant to quinolones.

scientific article published on 6 December 2009

Blood cultures for women with uncomplicated acute pyelonephritis: are they necessary?

scientific article published on 19 September 2003

Bordetella pertussis diagnosis in children under five years of age in the Regional Hospital of Cajamarca, Northern Peru

scientific article published on 30 November 2015

Campylobacter jejuni as a cause of traveler's diarrhea: clinical features and antimicrobial susceptibility

scientific article

Caracterización de Escherichia coli D7111 productora de β-lactamasa TEM-176

scientific article published in 2021

Carrion's Disease: More Than a Sand Fly-Vectored Illness.

scientific article

Carrion's Disease: the Sound of Silence.

scientific article

Carrion's disease: an eradicable illness?

scientific article

Characterisation of extended-spectrum β-lactamases among Klebsiella pneumoniae isolates causing bacteraemia and urinary tract infection in Mozambique

scientific article published on 7 February 2015

Characterisation of the first KPC-2-producing Klebsiella pneumoniae ST340 from Peru

scientific article published on 17 February 2017

Characterization of an integron carrying a new class D beta-lactamase (OXA-37) in Acinetobacter baumannii

scientific article published on January 2002

Characterization of sparfloxacin-resistant mutants of Staphylococcus aureus obtained in vitro.

scientific article published in August 2001

Characterization of the enzyme aac(3)-Id in a clinical isolate of Salmonella enterica serovar Haifa causing traveler's diarrhea.

scientific article published on 29 April 2009

Characterization of the molecular mechanisms of quinolone resistance in Yersinia enterocolitica O:3 clinical isolates.

scientific article published on 29 April 2004

Characterization of two Achromobacter xylosoxidans isolates from patients with pertussis-like symptoms.

scientific article published on 25 June 2015

Ciprofloxacin, salicylate, and 2,4-dinitrophenol decrease production of AmpC-type beta-lactamase in two Citrobacter freundii clinical isolates

scientific article

Class 1 Integrons in Salmonella Strains causing traveler's diarrhea

scientific article published in April 2006

Clinical and epidemiological features of imported dengue in Spain

scientific article

Clonal dissemination of Yersinia enterocolitica strains with various susceptibilities to nalidixic acid.

scientific article

Comparative analysis of antimicrobial resistance in enterotoxigenic Escherichia coli isolates from two paediatric cohort studies in Lima, Peru

scientific article

Correlation between the activity of different fluoroquinolones and the presence of mechanisms of quinolone resistance in epidemiologically related and unrelated strains of methicillin-susceptible and -resistant Staphylococcus aureus

scientific article

CrpP, a passenger or a hidden stowaway in the Pseudomonas aeruginosa genome?

scientific article published on 01 November 2019

Decreased Invasive Capacity of Quinolone‐ResistantEscherichia coliin Patients with Urinary Tract Infections

scientific article published in 2001

Decreased Production of AmpC-Type β-Lactamases Associated with the Development of Resistance to Quinolones in Citrobacter freundii Strains

article

Decreased permeability and enhanced proton-dependent active efflux in the development of resistance to quinolones in Morganella morganii

scientific article

Detection of dihydrofolate reductase genes by PCR and RFLP.

scientific article published in August 2003

Detection of secretory immunoglobulin A in human colostrum as mucosal immune response against proteins of the type III secretion system of Salmonella, Shigella and enteropathogenic Escherichia coli.

scientific article published on October 2013

Development and analysis of furazolidone-resistant Escherichia coli mutants.

scientific article

Development and characterisation of highly antibiotic resistant Bartonella bacilliformis mutants.

scientific article published on 26 September 2016

Development of Escherichia coli rifaximin-resistant mutants: frequency of selection and stability

scientific article

Diagnosis of Carrion's disease by direct blood PCR in thin blood smear negative samples

scientific article

Diarrheagenic Escherichia coli phylogroups are associated with antibiotic resistance and duration of diarrheal episode

scientific article published on 25 February 2015

Diarrhoea caused by rotavirus in a regional Peruvian hospital: determination of circulating genotypes

scientific article published on 27 April 2014

Differences in tetracycline-resistance determinants carriage among Shigella flexneri and Shigella sonnei are not related to different plasmid Inc-type carriage.

scientific article published on 4 January 2018

Differences in virulence factors among clinical isolates of Escherichia coli causing cystitis and pyelonephritis in women and prostatitis in men

scientific article

Dispersión intercontinental de una cepa de Shigella flexneri resistente a trimetoprima

Distribution of beta-lactamases in Acinetobacter baumannii clinical isolates and the effect of Syn 2190 (AmpC inhibitor) on the MICs of different beta-lactam antibiotics

scientific article published on 01 August 2002

Effect of an efflux pump inhibitor on the MIC of nalidixic acid for Acinetobacter baumannii and Stenotrophomonas maltophilia clinical isolates

scientific article published in April 2002

Effect of bovine lactoferrin on the minimum inhibitory concentrations of ampicillin and trimethoprim-sulfamethoxazole for clinical Shigella spp. strains

scientific article published on 7 March 2012

Effect of the efflux pump inhibitor Phe-Arg-beta-naphthylamide on the MIC values of the quinolones, tetracycline and chloramphenicol, in Escherichia coli isolates of different origin.

scientific article published on 4 February 2004

Epidemiology and clinical presentation of shigellosis in children less than five years of age in rural Mozambique

scientific article

Epidemiology and molecular characterization of multidrug-resistant isolates harboring group 1 extended-spectrum β-lactamases causing bacteremia and urinary tract infection in Manhiça, Mozambique

scientific article published on 03 July 2018

Escherichia coli ST131 clones harbouring AggR and AAF/V fimbriae causing bacteremia in Mozambican children: Emergence of new variant of fimH27subclone

scientific article published on 01 May 2020

Evaluation of PCR Approaches for Detection of Bartonella bacilliformis in Blood Samples

scientific article

Evolution of antimicrobial resistance in enteroaggregative Escherichia coli and enterotoxigenic Escherichia coli causing traveller's diarrhoea.

scientific article published on 27 May 2009

Evolution of the prevalence and antimicrobial resistance among Escherichia coli isolated as a cause of infection in patients admitted to a iv-level hospital in Lima, Peru

scientific article published in 2022

Factors Affecting Caregivers’ Use of Antibiotics Available Without a Prescription in Peru ⬇️

scientific article published on May 20, 2013

Feeding of young children during diarrhea: caregivers' intended practices and perceptions.

scientific article

Fitness and molecular mechanisms of resistance to rifaximin in in vitro selected Escherichia coli mutants.

scientific article

Frecuencia de genes que codifican proteínas autotransportadoras serinproteasa de Enterobacteriaceae (SPATE) en cepas de Escherichia coli difusamente adherente (DAEC) provenientes de niños con y sin diarrea

scientific article published in 2021

Frequency and pathotypes of diarrheagenic Escherichia coli in Peruvian children with and without diarrhea

scientific article

Frequency of selection of fluoroquinolone-resistant mutants of Neisseria gonorrhoeae exposed to gemifloxacin and four other quinolones

scientific article

Genetic diversity of locus of enterocyte effacement genes of enteropathogenic Escherichia coli isolated from Peruvian children ⬇️

scientific article published on April 5, 2012

Genotypic characterization of enterotoxigenic Escherichia coli strains causing traveler's diarrhea

scientific article published on 5 December 2012

High Prevalence of <i>bla</i><sub>CTX-M</sub> in Fecal Commensal <i>Escherichia coli</i> from Healthy Children

scientific article published in 2022

High frequency of mutations at codon 83 of the gyrA gene of quinolone-resistant clinical isolates of Escherichia coli.

scientific article

High frequency of the exoU+/exoS+ genotype associated with multidrug-resistant "high-risk clones" of Pseudomonas aeruginosa clinical isolates from Peruvian hospitals

scientific article published on 26 July 2019

High prevalence of nalidixic acid resistant, ciprofloxacin susceptible phenotype among clinical isolates of Escherichia coli and other Enterobacteriaceae

scientific article

Identification of human papillomavirus as a preventive strategy for cervical cancer in asymptomatic women in the Peruvian Andes

scientific article

Immunosuppressive and angiogenic cytokine profile associated with Bartonella bacilliformis infection in post-outbreak and endemic areas of Carrion's disease in Peru

scientific article

In vitro activity of clinafloxacin in comparison with other quinolones against Stenotrophomonas maltophilia clinical isolates in the presence and absence of reserpine

scientific article published in February 2002

In vitro activity of gemifloxacin against clinical isolates of Neisseria gonorrhoeae with and without mutations in the gyrA gene

scientific article published on July 2003

In vitro activity of rifaximin against bacterial enteropathogens causing diarrhoea in children under 5 years of age in Ifakara, Tanzania.

scientific article published in June 2001

In vitro activity of rifaximin against enteropathogens producing traveler's diarrhea

scientific article published on February 2001

In vitro antimicrobial activity of rifaximin against enteropathogens causing traveler's diarrhea

scientific article published on 21 September 2007

In vitro development and analysis of Escherichia coli and Shigella boydii azithromycin-resistant mutants

scientific article published on 23 November 2012

In vitro fluoroquinolone-resistant mutants of Salmonella enterica serotype Enteritidis: analysis of mechanisms involved in resistance

scientific article published in November 2003

In vitro selected fluoroquinolone-resistant mutants of Citrobacter freundii: analysis of the quinolone resistance acquisition

scientific article published on 01 April 2000

Increase in incidence of resistance to ampicillin, chloramphenicol and trimethoprim in clinical isolates of Salmonella serotype Typhimurium with investigation of molecular epidemiology and mechanisms of resistance.

scientific article published in April 1999

Increased Resistance to Quinolones inCampylobacter jejuni:A Genetic Analysis ofgyrAGene Mutations in Quinolone-Resistant Clinical Isolates

article

Infectious agents, Leptospira spp. and Bartonella spp., in blood donors from Cajamarca, Peru.

scientific article published on December 2015

Integron-mediated antibiotic multiresistance in Acinetobacter baumannii clinical isolates from Spain

article

Interplay between MexAB-OprM and MexEF-OprN in clinical isolates of Pseudomonas aeruginosa

scientific article published in Scientific Reports

Intrahospitalary dissemination of Klebsiella pneumoniae carrying blaDHA-1 and qnrB4 genes within a novel complex class 1 integron

article

Invasive Salmonella Infections Among Children From Rural Mozambique, 2001-2014.

scientific article published on November 2015

Invasive non-typhoidal Salmonella in Mozambican children

scientific article published on 27 September 2009

Isolation of an amikacin-resistant Escherichia coli strain after tobramycin treatment of previous recurrent episodes of respiratory tract infections caused by Pseudomonas aeruginosa.

scientific article published in January 2005

Long time survival of Bartonella bacilliformis in blood stored at 4 °C. A risk for blood transfusions ⬇️

scientific article published on March 29, 2012

Macrolide resistance mechanisms in Enterobacteriaceae: Focus on azithromycin

scientific article published on 27 October 2016

Mecanismos de resistencia a betalactámicos y ácido nalidíxico en aislados clínicos de Salmonella enterica serotipo hadar y bsilla

Mechanism of resistance to several antimicrobial agents in Salmonella Clinical isolates causing traveler's diarrhea

scientific article published on October 2004

Mechanisms of resistance in multiple-antibiotic-resistant Escherichia coli strains of human, animal, and food origins.

scientific article published on October 2004

Mechanisms of resistance to ampicillin, chloramphenicol and quinolones in multiresistant Salmonella typhimurium strains isolated from fish

scientific article published in May 1999

Mechanisms of resistance to quinolones: target alterations, decreased accumulation and DNA gyrase protection.

scientific article

Molecular and Phenotypic Characterization of Diarrheagenic Escherichia coli Strains Isolated from Bacteremic Children

scientific article

Molecular and serologic markers of acute dengue infection in naive and flavivirus-vaccinated travelers

scientific article published on September 2009

Molecular characterization of the integrons in Shigella strains isolated from patients with traveler's diarrhea.

scientific article

Molecular epidemiology and evolution of resistance to quinolones in Escherichia coli after prolonged administration of ciprofloxacin in patients with prostatitis

scientific article published on 01 January 2002

Molecular epidemiology and resistance mechanisms involved in reduced susceptibility to amoxicillin/clavulanic acid in Klebsiella pneumoniae isolates from a chronic care centre

scientific article published on 12 February 2011

Molecular epidemiology of macrolide and tetracycline resistances in commensal Gemella sp. isolates

scientific article published on 5 February 2007

Molecular mechanisms of antibiotic resistance in diarrhoeagenic Escherichia coli isolated from children ⬇️

scientific article published on October 15, 2012

Molecular surveillance of circulating dengue genotypes through European travelers

scientific article

Multi-Locus Sequence Typing of Bartonella bacilliformis DNA Performed Directly from Blood of Patients with Oroya's Fever During a Peruvian Outbreak

scientific article published on 29 January 2016

Multidrug resistance related to class 1 integrons in human Salmonella enterica serotype Typhimurium isolates and emergence of atypical sul3-associated integrons

scientific article published on 17 June 2009

Multiplex Real-Time PCR for Detection of Campylobacter, Salmonella, and Shigella ⬇️

scientific article published on June 12, 2013

Mutation in the gyrA gene of quinolone-resistant clinical isolates of Acinetobacter baumannii

scientific article

Mutations in gyrA and parC QRDRs are not relevant for quinolone resistance in epidemiological unrelated Stenotrophomonas maltophilia clinical isolates

scientific article published in January 2002

Nitrofuran resistance in Salmonella enterica isolated from meat for human consumption

scientific article published on 01 January 2020

Norovirus prevalence in 'pathogen negative' gastroenteritis in children from periurban areas in Lima, Peru

scientific article published on 2 October 2011

Outbreak of Infection With Acinetobacter Strain RUH 1139 in an Intensive Care Unit

scientific article published on 17 March 2006

Partial characterization of a transposon containing the tet(A) determinant in a clinical isolate of Acinetobacter baumannii

scientific article

Pathogenicity Island O-122 in enteropathogenic Escherichia coli strains is associated with diarrhea severity in children from Lima Peru

scientific article published on 10 May 2016

Phylogenetic relationships of Shiga toxin-producing Escherichia coli isolated from Peruvian children

scientific article

Plasmid-mediated quinolone resistance genes in enteroaggregative Escherichia coli from infants in Lima, Peru.

scientific article published on 21 April 2012

Possible vertical transmission of Bartonella bacilliformis in Peru

scientific article

Presence of the Tet M determinant in a clinical isolate of Acinetobacter baumannii

scientific article

Prevalence of pathogenicity island IICFT073 genes among extraintestinal clinical isolates of Escherichia coli

scientific article

Prevalence of the Sat gene among clinical isolates of Shigella spp. causing travelers' diarrhea: geographical and specific differences

scientific article published on April 2002

Prevalence of two different genes encoding NorA in 23 clinical strains of Staphylococcus aureus.

scientific article published in July 2000

Prevention of travellers' diarrhoea: where and who?

scientific article

Proteins of Bartonella bacilliformis: Candidates for Vaccine Development

scientific article

QnrVC, a new transferable Qnr-like family

scientific article published on 23 October 2012

Quantitative real-time polymerase chain reaction for enteropathogenic Escherichia coli: a tool for investigation of asymptomatic versus symptomatic infections.

scientific article published on 25 October 2011

Quinolone resistance among Shigella spp. isolated from travellers returning from India

scientific article published on 08 December 2007

Quinolone resistance in enterotoxigenic Escherichia coli causing diarrhea in travelers to India in comparison with other geographical areas.

scientific article published on June 2000

Quinolone-resistance mutations in the topoisomerase IV parC gene of Acinetobacter baumannii

scientific article published in June 1997

Recurrence of Urinary Tract Infections due to <i>Escherichia coli</i> and Its Association with Antimicrobial Resistance

scientific article published in 2022

Research inequities: avoiding the next pandemic

scientific article published on 02 August 2020

Resistance to quinolones in Salmonella infantis due to overexpression of an active efflux system and a mutation in the gyrA gene

scientific article published in May 2007

Resistance to quinolones, cephalosporins and macrolides in Escherichia coli causing bacteremia in Peruvian children.

scientific article

Revisiting Bartonella bacilliformis MLST

scientific article published on 02 June 2018

Risk factors for a poor outcome among children admitted with clinically severe pneumonia to a university hospital in Rabat, Morocco

scientific article published on 8 October 2014

Salmonella enterica serovars Typhimurium and Enteritidis causing mixed infections in febrile children in Mozambique

scientific article published on 31 January 2018

Salmonella ovarian abscess following travel diarrhoea episode.

scientific article published on 31 May 2007

Short communication: Detection of Shiga toxin-producing Escherichia coli (STEC) in healthy cattle and pigs in Lima, Peru.

scientific article

Specific type IV pili groups in clinical isolates of Pseudomonas aeruginosa

scientific article published on 16 November 2018

Succinyl-CoA Synthetase: New Antigen Candidate of Bartonella bacilliformis

scientific article

Susceptibility patterns of enteroaggregative Escherichia coli associated with traveller's diarrhoea: emergence of quinolone resistance.

scientific article published in November 2001

The epidemiology and aetiology of infections in children admitted with clinical severe pneumonia to a university hospital in Rabat, Morocco

scientific article published on 25 February 2014

The region of the parE gene, homologous to the quinolone-resistant determining region of the gyrB gene, is not linked with the acquisition of quinolone resistance in Escherichia coli clinical isolates

article

Transferable Mechanisms of Quinolone Resistance from 1998 Onward

scientific article published on 14 August 2019

Transferable mechanisms of quinolone resistance.

scientific article

Trends in antimicrobial resistance in Campylobacter spp. causing traveler's diarrhea

scientific article published on March 2007

Use of commercially available oral rehydration solutions in Lima, Peru.

scientific article

Virulence and Antimicrobial Resistance in Campylobacter spp. from a Peruvian Pediatric Cohort

scientific article

Virulence factors and mechanisms of antimicrobial resistance in Shigella strains from periurban areas of Lima (Peru)

scientific article published on 4 May 2015

Virulence factors profiles and ESBL production in Escherichia coli causing bacteremia in Peruvian children

scientific article

Which mechanisms of azithromycin resistance are selected when efflux pumps are inhibited?

scientific article published on 18 July 2013

Whole-Genome Sequencing of Two Bartonella bacilliformis Strains

scientific article published on 7 July 2016

[A reflection on the concept of "one health"]

scientific article published on 01 October 2018

pic gene of enteroaggregative Escherichia coli and its association with diarrhea in Peruvian children.

scientific article

β-Lactamases, transferable quinolone resistance determinants, and class 1 integron-mediated antimicrobial resistance in human clinical Salmonella enterica isolates of non-Typhimurium serotypes

scientific article published on 27 December 2012

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