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Items: 1 to 50 of 119

1.

Community- and Hospital-Acquired Klebsiella pneumoniae Urinary Tract Infections in Portugal: Virulence and Antibiotic Resistance.

Caneiras C, Lito L, Melo-Cristino J, Duarte A.

Microorganisms. 2019 May 16;7(5). pii: E138. doi: 10.3390/microorganisms7050138.

2.

Streptococcus canis Are a Single Population Infecting Multiple Animal Hosts Despite the Diversity of the Universally Present M-Like Protein SCM.

Pinho MD, Foster G, Pomba C, Machado MP, Baily JL, Kuiken T, Melo-Cristino J, Ramirez M; Portuguese Group for the Study of Streptococcal Infections.

Front Microbiol. 2019 Mar 29;10:631. doi: 10.3389/fmicb.2019.00631. eCollection 2019.

3.

Dominance of vaccine serotypes in pediatric invasive pneumococcal infections in Portugal (2012-2015).

Silva-Costa C, Brito MJ, Aguiar SI, Lopes JP, Ramirez M, Melo-Cristino J; Portuguese Group for the Study of Streptococcal Infections; Portuguese Study Group of Invasive Pneumococcal Disease of the Pediatric Infectious Disease Society.

Sci Rep. 2019 Jan 9;9(1):6. doi: 10.1038/s41598-018-36799-x.

4.

Virulence and resistance determinants of Klebsiella pneumoniae isolated from a Portuguese tertiary university hospital centre over a 31-year period.

Caneiras C, Lito L, Mayoralas-Alises S, Díaz-Lobato S, Melo-Cristino J, Duarte A.

Enferm Infecc Microbiol Clin. 2019 Jun - Jul;37(6):387-393. doi: 10.1016/j.eimc.2018.11.001. Epub 2018 Dec 12. English, Spanish.

PMID:
30553621
5.

Streptococcus pneumoniae Serotype 3 in Mexico (1994 to 2017): Decrease of the Unusual Clonal Complex 4909 Lineage following PCV13 Introduction.

Echániz-Aviles G, Guerreiro SI, Silva-Costa C, Mendes CI, Carriço JA, Carnalla-Barajas MN, Soto-Noguerón A, Velazquez-Meza ME, Melo-Cristino J, Luévanos-Velazquez A, Martínez-Medina L, Vázquez-Larios MDR, Ramirez M.

J Clin Microbiol. 2019 Jan 2;57(1). pii: e01354-18. doi: 10.1128/JCM.01354-18. Print 2019 Jan.

6.

First Description of Colistin and Tigecycline-Resistant Acinetobacter baumannii Producing KPC-3 Carbapenemase in Portugal.

Caneiras C, Calisto F, Jorge da Silva G, Lito L, Melo-Cristino J, Duarte A.

Antibiotics (Basel). 2018 Nov 6;7(4). pii: E96. doi: 10.3390/antibiotics7040096.

7.

Conjugate vaccine serotypes persist as major causes of non-invasive pneumococcal pneumonia in Portugal despite declines in serotypes 3 and 19A (2012-2015).

Horácio AN, Silva-Costa C, Lopes E, Ramirez M, Melo-Cristino J; Portuguese Group for the Study of Streptococcal Infections.

PLoS One. 2018 Nov 2;13(11):e0206912. doi: 10.1371/journal.pone.0206912. eCollection 2018.

8.

Streptococcus pyogenes Causing Skin and Soft Tissue Infections Are Enriched in the Recently Emerged emm89 Clade 3 and Are Not Associated With Abrogation of CovRS.

Pato C, Melo-Cristino J, Ramirez M, Friães A; Portuguese Group for the Study of Streptococcal Infections.

Front Microbiol. 2018 Oct 9;9:2372. doi: 10.3389/fmicb.2018.02372. eCollection 2018.

9.

Group B Streptococcal Neonatal and Early Infancy Infections in Iceland, 1976-2015.

Björnsdóttir ES, Martins ER, Erlendsdóttir H, Haraldsson G, Melo-Cristino J, Ramirez M, Kristinsson KG.

Pediatr Infect Dis J. 2019 Jun;38(6):620-624. doi: 10.1097/INF.0000000000002214.

PMID:
30299423
10.

Extreme parasitemia in P falciparum malaria.

Branco A, Melo-Cristino J.

Blood. 2018 Aug 23;132(8):868. doi: 10.1182/blood-2018-07-861880. No abstract available.

PMID:
30139832
11.

Pediatric Complicated Pneumonia Caused by Streptococcus pneumoniae Serotype 3 in 13-Valent Pneumococcal Conjugate Vaccinees, Portugal, 2010-2015.

Silva-Costa C, Brito MJ, Pinho MD, Friães A, Aguiar SI, Ramirez M, Melo-Cristino J; Portuguese Group for the Study of Streptococcal Infections; Portuguese Study Group of Invasive Pneumococcal Disease of the Pediatric Infectious Disease Society.

Emerg Infect Dis. 2018 Jul;24(7):1307-1314. doi: 10.3201/eid2407.180029.

12.

Increasing macrolide resistance among Streptococcus agalactiae causing invasive disease in non-pregnant adults was driven by a single capsular-transformed lineage, Portugal, 2009 to 2015.

Lopes E, Fernandes T, Machado MP, Carriço JA, Melo-Cristino J, Ramirez M, Martins ER; The Portuguese Group For The Study Of Streptococcal Infections.

Euro Surveill. 2018 May;23(21). doi: 10.2807/1560-7917.ES.2018.23.21.1700473.

13.

Streptococcus agalactiae Causing Neonatal Infections in Portugal (2005-2015): Diversification and Emergence of a CC17/PI-2b Multidrug Resistant Sublineage.

Martins ER, Pedroso-Roussado C, Melo-Cristino J, Ramirez M; Portuguese Group for the Study of Streptococcal Infections.

Front Microbiol. 2017 Mar 28;8:499. doi: 10.3389/fmicb.2017.00499. eCollection 2017.

14.

Clonal and serotype dynamics of serogroup 6 isolates causing invasive pneumococcal disease in Portugal: 1999-2012.

Diamantino-Miranda J, Aguiar SI, Carriço JA, Melo-Cristino J, Ramirez M.

PLoS One. 2017 Feb 2;12(2):e0170354. doi: 10.1371/journal.pone.0170354. eCollection 2017.

15.

Serotype 3 Remains the Leading Cause of Invasive Pneumococcal Disease in Adults in Portugal (2012-2014) Despite Continued Reductions in Other 13-Valent Conjugate Vaccine Serotypes.

Horácio AN, Silva-Costa C, Lopes JP, Ramirez M, Melo-Cristino J; Portuguese Group for the Study of Streptococcal Infections.

Front Microbiol. 2016 Oct 14;7:1616. eCollection 2016.

16.

Capsule impairs efficient adherence of Streptococcus agalactiae to intestinal epithelium in tilapias Oreochromis sp.

Barato P, Martins ER, Vasquez GM, Ramirez M, Melo-Cristino J, Martínez N, Iregui C.

Microb Pathog. 2016 Nov;100:30-36. doi: 10.1016/j.micpath.2016.08.040. Epub 2016 Sep 2.

PMID:
27594667
17.

Beta-hemolytic Streptococcus dysgalactiae strains isolated from horses are a genetically distinct population within the Streptococcus dysgalactiae taxon.

Pinho MD, Erol E, Ribeiro-Gonçalves B, Mendes CI, Carriço JA, Matos SC, Preziuso S, Luebke-Becker A, Wieler LH, Melo-Cristino J, Ramirez M.

Sci Rep. 2016 Aug 17;6:31736. doi: 10.1038/srep31736.

18.

Susceptibility patterns of Staphylococcus aureus biofilms in diabetic foot infections.

Mottola C, Matias CS, Mendes JJ, Melo-Cristino J, Tavares L, Cavaco-Silva P, Oliveira M.

BMC Microbiol. 2016 Jun 23;16(1):119. doi: 10.1186/s12866-016-0737-0.

19.

Plasmid-Borne Antimicrobial Resistance of Staphylococcus aureus Isolated in a Hospital in Lisbon, Portugal.

Costa SS, Palma C, Kadlec K, Fessler AT, Viveiros M, Melo-Cristino J, Schwarz S, Couto I.

Microb Drug Resist. 2016 Dec;22(8):617-626. Epub 2016 Jun 16.

PMID:
27309487
20.

Population Structure of Streptococcus pneumoniae Causing Invasive Disease in Adults in Portugal before PCV13 Availability for Adults: 2008-2011.

Horácio AN, Silva-Costa C, Diamantino-Miranda J, Lopes JP, Ramirez M, Melo-Cristino J; Portuguese Group for the Study of Streptococcal Infections.

PLoS One. 2016 May 11;11(5):e0153602. doi: 10.1371/journal.pone.0153602. eCollection 2016.

21.

Molecular typing, virulence traits and antimicrobial resistance of diabetic foot staphylococci.

Mottola C, Semedo-Lemsaddek T, Mendes JJ, Melo-Cristino J, Tavares L, Cavaco-Silva P, Oliveira M.

J Biomed Sci. 2016 Mar 8;23:33. doi: 10.1186/s12929-016-0250-7.

22.

Evolving epidemiology of carbapenemase-producing Enterobacteriaceae in Portugal: 2012 retrospective cohort at a tertiary hospital in Lisbon.

Pires D, Zagalo A, Santos C, Cota de Medeiros F, Duarte A, Lito L, Melo Cristino J, Caldeira L.

J Hosp Infect. 2016 Jan;92(1):82-5. doi: 10.1016/j.jhin.2015.11.006. Epub 2015 Nov 19.

PMID:
26698390
23.

Changing epidemiology of group B streptococcal infections among adults in Iceland: 1975-2014.

Björnsdóttir ES, Martins ER, Erlendsdóttir H, Haraldsson G, Melo-Cristino J, Kristinsson KG, Ramirez M.

Clin Microbiol Infect. 2016 Apr;22(4):379.e9-379.e16. doi: 10.1016/j.cmi.2015.11.020. Epub 2015 Dec 12.

24.

Emergence of the Same Successful Clade among Distinct Populations of emm89 Streptococcus pyogenes in Multiple Geographic Regions.

Friães A, Machado MP, Pato C, Carriço J, Melo-Cristino J, Ramirez M.

MBio. 2015 Dec 1;6(6):e01780-15. doi: 10.1128/mBio.01780-15. No abstract available.

25.

Impact of efflux in the development of multidrug resistance phenotypes in Staphylococcus aureus.

Santos Costa S, Viveiros M, Rosato AE, Melo-Cristino J, Couto I.

BMC Microbiol. 2015 Oct 24;15:232. doi: 10.1186/s12866-015-0572-8.

26.

Comparing Matrix-Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry and Phenotypic and Molecular Methods for Identification of Species within the Streptococcus anginosus Group.

Arinto-Garcia R, Pinho MD, Carriço JA, Melo-Cristino J, Ramirez M.

J Clin Microbiol. 2015 Nov;53(11):3580-8. doi: 10.1128/JCM.01892-15. Epub 2015 Sep 9.

27.

Consequences of the variability of the CovRS and RopB regulators among Streptococcus pyogenes causing human infections.

Friães A, Pato C, Melo-Cristino J, Ramirez M.

Sci Rep. 2015 Jul 15;5:12057. doi: 10.1038/srep12057.

28.

Declining macrolide resistance in Streptococcus pyogenes in Portugal (2007-13) was accompanied by continuous clonal changes.

Silva-Costa C, Ramirez M, Melo-Cristino J; Portuguese Group for Study of Streptococcal Infections.

J Antimicrob Chemother. 2015 Oct;70(10):2729-33. doi: 10.1093/jac/dkv182. Epub 2015 Jul 3.

PMID:
26142474
29.

Incidence of Burkholderia contaminans at a cystic fibrosis centre with an unusually high representation of Burkholderia cepacia during 15 years of epidemiological surveillance.

Coutinho CP, Barreto C, Pereira L, Lito L, Melo Cristino J, Sá-Correia I.

J Med Microbiol. 2015 Aug;64(8):927-35. doi: 10.1099/jmm.0.000094. Epub 2015 May 22.

PMID:
26002942
30.

Macrolide-resistant Streptococcus pyogenes: prevalence and treatment strategies.

Silva-Costa C, Friães A, Ramirez M, Melo-Cristino J.

Expert Rev Anti Infect Ther. 2015 May;13(5):615-28. doi: 10.1586/14787210.2015.1023292. Epub 2015 Mar 8. Review.

PMID:
25746210
31.

Persistence of a single clone of Streptococcus agalactiae causing disease in tilapia (Oreochromis sp.) cultured in Colombia over 8 years.

Barato P, Martins ER, Melo-Cristino J, Iregui CA, Ramirez M.

J Fish Dis. 2015 Dec;38(12):1083-7. doi: 10.1111/jfd.12337. Epub 2015 Feb 2. No abstract available.

PMID:
25643734
32.

Non-invasive pneumococcal pneumonia in Portugal--serotype distribution and antimicrobial resistance.

Horácio AN, Lopes JP, Ramirez M, Melo-Cristino J; Portuguese Group for the Study of Streptococcal Infections.

PLoS One. 2014 Jul 30;9(7):e103092. doi: 10.1371/journal.pone.0103092. eCollection 2014.

33.

Methaemoglobin and COHb in patients with malaria.

Hänscheid T, Gresnigt T, Löhr S, Flamen A, Zoller T, Melo-Cristino J, Grobusch MP.

Malar J. 2014 Jul 23;13:285. doi: 10.1186/1475-2875-13-285.

34.

Epidemiological survey of the first case of vancomycin-resistant Staphylococcus aureus infection in Europe.

Friães A, Resina C, Manuel V, Lito L, Ramirez M, Melo-Cristino J.

Epidemiol Infect. 2015 Mar;143(4):745-8. doi: 10.1017/S0950268814001423. Epub 2014 Jun 5.

PMID:
24901752
35.

In vitro design of a novel lytic bacteriophage cocktail with therapeutic potential against organisms causing diabetic foot infections.

Mendes JJ, Leandro C, Mottola C, Barbosa R, Silva FA, Oliveira M, Vilela CL, Melo-Cristino J, Górski A, Pimentel M, São-José C, Cavaco-Silva P, Garcia M.

J Med Microbiol. 2014 Aug;63(Pt 8):1055-65. doi: 10.1099/jmm.0.071753-0. Epub 2014 May 28.

PMID:
24869663
36.

Invasive infections due to Streptococcus pyogenes: seasonal variation of severity and clinical characteristics, Iceland, 1975 to 2012.

Olafsdottir LB, Erlendsdóttir H, Melo-Cristino J, Weinberger DM, Ramirez M, Kristinsson KG, Gottfredsson M.

Euro Surveill. 2014 May 1;19(17):5-14. Erratum in: Euro Surveill. 2016;21(10). doi: 10.2807/1560-7917.ES.2016.21.10.30158.

37.

PCR based differentiation between Streptococcus dysgalactiae subsp. equisimilis strains isolated from humans and horses.

Preziuso S, Pinho MD, Attili AR, Melo-Cristino J, Acke E, Midwinter AC, Cuteri V, Ramirez M.

Comp Immunol Microbiol Infect Dis. 2014 May;37(3):169-72. doi: 10.1016/j.cimid.2014.04.001. Epub 2014 Apr 26.

PMID:
24813401
38.

Decreasing incidence and changes in serotype distribution of invasive pneumococcal disease in persons aged under 18 years since introduction of 10-valent and 13-valent conjugate vaccines in Portugal, July 2008 to June 2012.

Aguiar SI, Brito MJ, Horacio AN, Lopes JP, Ramirez M, Melo-Cristino J; Portuguese Group for the Study of Streptococcal Infections; Portuguese Study Group of Invasive Pneumococcal Disease of the Paediatric Infectious Disease Society.

Euro Surveill. 2014 Mar 27;19(12):20750.

39.

Pherotype influences biofilm growth and recombination in Streptococcus pneumoniae.

Carrolo M, Pinto FR, Melo-Cristino J, Ramirez M.

PLoS One. 2014 Mar 19;9(3):e92138. doi: 10.1371/journal.pone.0092138. eCollection 2014.

40.

Burkholderia dolosa phenotypic variation during the decline in lung function of a cystic fibrosis patient during 5.5 years of chronic colonization.

Moreira AS, Coutinho CP, Azevedo P, Lito L, Melo-Cristino J, Sá-Correia I.

J Med Microbiol. 2014 Apr;63(Pt 4):594-601. doi: 10.1099/jmm.0.069849-0. Epub 2014 Jan 27.

PMID:
24469681
41.

Scarlet fever is caused by a limited number of Streptococcus pyogenes lineages and is associated with the exotoxin genes ssa, speA and speC.

Silva-Costa C, Carriço JA, Ramirez M, Melo-Cristino J.

Pediatr Infect Dis J. 2014 Mar;33(3):306-10. doi: 10.1097/INF.0000000000000088.

PMID:
24168973
42.

The majority of adult pneumococcal invasive infections in Portugal are still potentially vaccine preventable in spite of significant declines of serotypes 1 and 5.

Horácio AN, Diamantino-Miranda J, Aguiar SI, Ramirez M, Melo-Cristino J; Portuguese Group for the Study of Streptococcal Infections.

PLoS One. 2013 Sep 16;8(9):e73704. doi: 10.1371/journal.pone.0073704. eCollection 2013.

43.

Changes in Streptococcus pyogenes causing invasive disease in Portugal: evidence for superantigen gene loss and acquisition.

Friães A, Lopes JP, Melo-Cristino J, Ramirez M; Portuguese Group for the Study of Streptococcal Infections.

Int J Med Microbiol. 2013 Dec;303(8):505-13. doi: 10.1016/j.ijmm.2013.07.004. Epub 2013 Jul 18.

PMID:
23932912
44.

First case of infection with vancomycin-resistant Staphylococcus aureus in Europe.

Melo-Cristino J, Resina C, Manuel V, Lito L, Ramirez M.

Lancet. 2013 Jul 20;382(9888):205. doi: 10.1016/S0140-6736(13)61219-2. Epub 2013 Jun 21. No abstract available.

PMID:
23791472
45.

Wound healing potential of topical bacteriophage therapy on diabetic cutaneous wounds.

Mendes JJ, Leandro C, Corte-Real S, Barbosa R, Cavaco-Silva P, Melo-Cristino J, Górski A, Garcia M.

Wound Repair Regen. 2013 Jul-Aug;21(4):595-603. doi: 10.1111/wrr.12056. Epub 2013 Jun 11.

PMID:
23755910
46.

Extensive dissemination of methicillin-resistant Staphylococcus aureus (MRSA) between the hospital and the community in a country with a high prevalence of nosocomial MRSA.

Espadinha D, Faria NA, Miragaia M, Lito LM, Melo-Cristino J, de Lencastre H; Médicos Sentinela Network.

PLoS One. 2013 Apr 3;8(4):e59960. doi: 10.1371/journal.pone.0059960. Print 2013.

47.

Serotype discrimination of encapsulated Streptococcus pneumoniae strains by Fourier-transform infrared spectroscopy and chemometrics.

Vaz M, Meirinhos-Soares L, Sousa CC, Ramirez M, Melo-Cristino J, Lopes JA.

J Microbiol Methods. 2013 May;93(2):102-7. doi: 10.1016/j.mimet.2013.02.008. Epub 2013 Mar 13.

PMID:
23499920
48.

Description of plasmid pSM52, harbouring the gene for the Smr efflux pump, and its involvement in resistance to biocides in a meticillin-resistant Staphylococcus aureus strain.

Costa SS, Mourato C, Viveiros M, Melo-Cristino J, Amaral L, Couto I.

Int J Antimicrob Agents. 2013 May;41(5):490-2. doi: 10.1016/j.ijantimicag.2013.01.003. Epub 2013 Feb 21. No abstract available.

PMID:
23434536
49.

Multilocus sequence analysis of Streptococcus canis confirms the zoonotic origin of human infections and reveals genetic exchange with Streptococcus dysgalactiae subsp. equisimilis.

Pinho MD, Matos SC, Pomba C, Lübke-Becker A, Wieler LH, Preziuso S, Melo-Cristino J, Ramirez M.

J Clin Microbiol. 2013 Apr;51(4):1099-109. doi: 10.1128/JCM.02912-12. Epub 2013 Jan 23.

50.

Resistance to Antimicrobials Mediated by Efflux Pumps in Staphylococcus aureus.

Costa SS, Junqueira E, Palma C, Viveiros M, Melo-Cristino J, Amaral L, Couto I.

Antibiotics (Basel). 2013 Mar 13;2(1):83-99. doi: 10.3390/antibiotics2010083.

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