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Home / Archives for Ramos J

Integrating informatics tools and portable sequencing technology for rapid detection of resistance to anti-tuberculous drugs

  • Autores: Phelan JE, O’Sullivan DM, Machado D, Ramos J, Oppong YEA, Campino L, McNerney R, Hibberd ML, Viveiros M, Huggett JF, Clark TG
  • Ano de Publicação: 2019
  • Journal: Genome Medicine
  • Link: https://genomemedicine.biomedcentral.com/articles/10.1186/s13073-019-0650-x

Background Mycobacterium tuberculosis resistance to anti-tuberculosis drugs is a major threat to global public health. Whole genome sequencing (WGS) is rapidly gaining traction as a diagnostic tool for clinical tuberculosis settings. To support this informatically, previous work led to the development of the widely used TBProfiler webtool, which predicts resistance to 14 drugs from WGS data. However, for […]
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First report on antimicrobial resistance and molecular characterisation of Salmonella enterica serotype Typhi isolated from human specimens in Luanda, Angola

  • Autores: Francisco M, Costa SS, Belas A, Ramos J, Couto I, Pomba C, Viveiros M
  • Ano de Publicação: 2018
  • Journal: Journal of global antimicrobial resistance
  • Link: https://www.ncbi.nlm.nih.gov/pubmed/29432938

OBJECTIVES: Typhoid fever is a common infection in Africa and, despite scarce surveillance reports, its incidence is commonly considered high by the Angolan health system. Drug-resistant Salmonella enterica serotype Typhi has emerged, making antimicrobial susceptibility testing essential to provide clinical guidance. This is the first report analysing the antimicrobial resistance patterns and population structure of […]
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Clonal expansion across the seas as seen through CPLP-TB database: A joint effort in cataloguing Mycobacterium tuberculosis genetic diversity in Portuguese-speaking countries

  • Autores: Perdigão J, Silva C, Diniz J, Pereira C, Machado D, Ramos J, Silva H, Abilleira F, Brum C, Reis AJ, Macedo M, Scaini JL, Silva AB, Esteves L, Macedo R, Maltez F, Clemente S, Coelho E, Viegas S, Rabna P, Rodrigues A, Taveira N, Jordao L, Kritski A, Lapa e Silva JR, Mokrousov I, Couvin D, Rastogi N, Couto I, Pain A, McNerney R, Clark TG, von Groll A, Dalla Costa ER, Rossetti ML, Silva PEA, Viveiros M, Portugal I
  • Ano de Publicação: 2019
  • Journal: Infection Genetics and Evolution
  • Link: https://www.sciencedirect.com/science/article/pii/S1567134818301023?via%3Dihub%20

Tuberculosis (TB) remains a major health problem within the Community of Portuguese Language Speaking Countries (CPLP). Despite the marked variation in TB incidence across its member-states and continued human migratory flux between countries, a considerable gap in the knowledge on the Mycobacterium tuberculosis population structure and strain circulation between the countries still exists. To address […]
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Direct detection by the xpert MTB/RIF assay and characterization of multi and poly drug- resistant tuberculosis in Guinea-Bissau, West Africa

  • Autores: Armada A, Colombatti R, Gomes VF, Machado D, Mane M, Martins E, Ponce G, Rabna P, Ramos J, Sanca L, Vieira F
  • Ano de Publicação: 2015
  • Journal: PLoS One
  • Link: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0127536%20

This study aimed to evaluate the usefulness of the Xpert MTB/RIF assay for the rapid direct detection of M. tuberculosis complex (MTBC) strains and rifampicin resistance associated mutations in a resource-limited setting such as Guinea-Bissau and its implications in the management of tuberculosis (TB) and drug resistant tuberculosis, complementing the scarce information on resistance and […]
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Synthesis and Biological Evaluation of Hybrid 1,5- and 2,5-Disubstituted Indoles as Potentially New Antitubercular Agents

  • Autores: Aires-de-Sousa J, Estevao MS, Kovalishyn V, Latino DARS, Marques MMB, Martins F, Ramos J, Soares A, Viveiros M
  • Ano de Publicação: 2017
  • Journal: Medicinal Chemistry
  • Link: http://www.eurekaselect.com/149956/article%20

Tuberculosis (TB) is the second leading cause of mortality worldwide being a highly contagious and insidious illness caused by Mycobacterium tuberculosis, Mtb. Additionally, the emergence of multidrug-resistant and extensively drug-resistant strains of Mtb, together with significant levels of co-infection with HIV and TB (HIV/TB) make the search for new antitubercular drugs urgent and challenging. This […]
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About GHTM

GHTM is a R&D Center that brings together researchers from IHMT with a track record in Tropical Medicine and International/Global Health. It aims at strengthening Portugal's role as a leading partner in the development and implementation of a global health research agenda. Our evidence-based interventions contribute to the promotion of equity in health and to improve the health of populations.

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