| Analysis of group B streptococcal isolates from infants and pregnant women in Portugal revealing two lineages with enhanced invasiveness ER Martins, MA Pessanha, M Ramirez, J Melo-Cristino Journal of clinical microbiology 45 (10), 3224-3229, 2007 | 114* | 2007 |
| Group B streptococci causing neonatal infections in Barcelona are a stable clonal population: 18-year surveillance ER Martins, A Andreu, P Correia, T Juncosa, J Bosch, M Ramirez, ... Journal of clinical microbiology 49 (8), 2911-2918, 2011 | 92* | 2011 |
| Evidence for Rare Capsular Switching in Streptococcus agalactiae ER Martins, J Melo-Cristino, M Ramirez Journal of bacteriology 192 (5), 1361-1369, 2010 | 86 | 2010 |
| Dominance of serotype Ia among group B streptococci causing invasive infections in nonpregnant adults in Portugal ER Martins, J Melo-Cristino, M Ramirez, ... Journal of clinical microbiology 50 (4), 1219-1227, 2012 | 72* | 2012 |
| Changing epidemiology of group B streptococcal infections among adults in Iceland: 1975–2014 ES Björnsdóttir, ER Martins, H Erlendsdóttir, G Haraldsson, ... Clinical Microbiology and Infection 22 (4), 379. e9-379. e16, 2016 | 71 | 2016 |
| Distribution of pilus islands in Streptococcus agalactiae that cause human infections: insights into evolution and implication for vaccine development ER Martins, A Andreu, J Melo-Cristino, M Ramirez Clinical and Vaccine Immunology 20 (2), 313-316, 2013 | 70 | 2013 |
| One hypervirulent clone, sequence type 283, accounts for a large proportion of invasive Streptococcus agalactiae isolated from humans and diseased tilapia in … T Barkham, RN Zadoks, MNA Azmai, S Baker, VTN Bich, V Chalker, ... PLoS neglected tropical diseases 13 (6), e0007421, 2019 | 55 | 2019 |
| Streptococcus agalactiae Causing Neonatal Infections in Portugal (2005–2015): Diversification and Emergence of a CC17/PI-2b Multidrug Resistant Sublineage ER Martins, C Pedroso-Roussado, J Melo-Cristino, M Ramirez Front Microbiol 8, 499, 2017 | 55* | 2017 |
| Increasing macrolide resistance among Streptococcus agalactiae causing invasive disease in non-pregnant adults was driven by a single capsular-transformed lineage, Portugal … E Lopes, T Fernandes, MP Machado, JA Carriço, J Melo-Cristino, ... Eurosurveillance 23 (21), 1700473, 2018 | 50 | 2018 |
| Phylogenetic evidence of the intercontinental circulation of a Canine distemper virus lineage in the Americas J Duque-Valencia, NR Forero-Muñoz, FJ Díaz, E Martins, P Barato, ... Scientific reports 9 (1), 15747, 2019 | 37 | 2019 |
| Persistence of a single clone of Streptococcus agalactiae causing disease in tilapia (Oreochromis sp.) cultured in Colombia over 8 years P Barato, ER Martins, J Melo Cristino, CA Iregui, M Ramirez Journal of Fish Diseases 38 (12), 1083-1087, 2015 | 29 | 2015 |
| Capsule impairs efficient adherence of Streptococcus agalactiae to intestinal epithelium in tilapias Oreochromis sp P Barato, ER Martins, GM Vasquez, M Ramirez, J Melo-Cristino, ... Microbial pathogenesis 100, 30-36, 2016 | 23 | 2016 |
| Streptococcus agalactiae Serotype Ib as an Agent of Meningitis in Two Adult Nonpregnant Women ER Martins, C Florindo, F Martins, I Aldir, MJ Borrego, L Brum, M Ramirez, ... Journal of Clinical Microbiology 45 (11), 3850-3852, 2007 | 21 | 2007 |
| Heterogeneity of penicillin-non-susceptible group B streptococci isolated from a single patient in Germany M van der Linden, R Mamede, N Levina, P Helwig, P Vila-Cerqueira, ... Journal of Antimicrobial Chemotherapy 75 (2), 296-299, 2020 | 20 | 2020 |
| Reevaluating the Serotype II Capsular Locus of Streptococcus agalactiae ER Martins, J Melo-Cristino, M Ramirez Journal of clinical microbiology 45 (10), 3384-3386, 2007 | 12 | 2007 |
| Group B streptococcal neonatal and early infancy infections in Iceland, 1976–2015 ES Björnsdóttir, ER Martins, H Erlendsdottir, G Haraldsson, ... The Pediatric Infectious Disease Journal 38 (6), 620-624, 2019 | 10 | 2019 |
| Characteristics of Streptococcus agalactiae Colonizing Nonpregnant Adults Support the Opportunistic Nature of Invasive Infections ER Martins, D Nascimento do O, AL Marques Costa, J Melo-Cristino, ... Microbiology Spectrum 10 (3), e01082-22, 2022 | 7 | 2022 |
| Group B streptococcal infections in infants in Iceland: Clinical and microbiological factors B Baeringsdottir, H Erlendsdottir, ES Bjornsdottir, ER Martins, M Ramirez, ... Journal of Medical Microbiology 70 (9), 001426, 2021 | 5 | 2021 |
| Increase of macrolide resistance among group B Streptococcus invasive disease in non-pregnant adults in Portugal (2009-2015) was driven by a Capsular variant of a single clone E Lopes, T Fernandes, MP Machado, J Carrico, JM Cristino, M Ramirez, ... INTERNATIONAL JOURNAL OF ANTIMICROBIAL AGENTS 50, S116-S116, 2017 | 2 | 2017 |
| Streptococcus agalactiae causing human infections: genetic diversity and capsular switching ERF Martins | 1 | 2011 |
Mario RamirezProfessor of Microbiology, Faculdade de Medicina, Universidade de Lisboa, PortugalBestätigte E-Mail-Adresse bei fm.ul.pt
