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Home / Archives for Matos O

Population structure of Pneumocystis jirovecii isolated from immunodeficiency virus-positive patients

  • Autores: Antunes F, Esteves F, Gaspar J, Mansinho K, Matos O, Moser I, Tavares A
  • Journal: Infection Genetics and Evolution
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/?term=Population+structure+of+Pneumocystis+jirovecii+isolated+from+immunodeficiency+virus+positive+patients

Pneumocystis jirovecii pneumonia (PcP) is an important opportunistic infection among immunocompromised patients. Genetic characterization of P. jirovecii isolated from HIV-positive patients, based on identification of multiple nucleotide sequences at eight distinct loci, was achieved by using PCR with DNA sequencing and RFLP.
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Identification of relevant single-nucleotide polymorphisms in Pneumocystis jirovecii: relationship with clinical data

  • Autores: Antunes F, Esteves F, Gaspar J, Leite R, Mansinho K, Marques T, Matos O
  • Journal: Clinical Microbiology and Infection
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/?term=Identification+of+relevant+Single+Nucleotide+Polymorphisms+in+Pneumocystis+jirovecii%3A+relationship+with+clinical+data

Pneumocystis jirovecii is a poorly understood pathogen that causes opportunistic pneumonia (Pneumocystis pneumonia (PcP)) in patients with AIDS.
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Molecular characterisation of Cryptosporidium isolates from pre-weaned calves in Romania: is there an actual risk of zoonotic infections?

  • Autores: Darabus G, Genchi C, Imre K, Lobo LM, Matos O, Popescu C
  • Journal: Veterinary Parasitology
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/?term=Molecular+characterisation+of+Cryptosporidium+isolates+from+pre-weaned+calves+in+Romania%3A+Is+there+an+actual+risk+of+zoonotic+infections%3F

Diarrheic fecal samples from 258 pre-weaned calves (1-30 day-old) from 9 dairy farms located in Banat region, Romania, were microscopically examined for the presence of Cryptosporidium oocysts. Overall, 65 (25%) samples were found positive.
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The 12th International Workshops on Opportunistic Protists (IWOP-12)

  • Autores: Calderón EJ, Cushion MT, Didier E, Kaneshiro ES, Marciano-Cabral F, Matos O, Sinai AP, Weiss LM, Xiao L
  • Journal: Journal of Eukaryotic Microbiology
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/23560871

The 12th International Workshops on Opportunistic Protists (IWOP-12) was held in August 2012 in Tarrytown, New York. The objectives of the IWOP meetings are to: (1) serve as a forum for exchange of new information among active researchers concerning the basic biology, molecular genetics, immunology, biochemistry, pathogenesis, drug development, therapy, and epidemiology of these immunodeficiency-associated pathogenic eukaryotic microorganisms that are seen in patients with AIDS and (2) foster the entry of new and young investigators into these underserved research areas.
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Development of a multilocus sequence typing tool for high-resolution genotyping of Enterocytozoon bieneusi.

  • Autores: Cama V, Dearen T, Feng Y, Li N, Lobo ML, Matos O, Xiao L
  • Journal: Applied and Environmental Microbiology
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/?term=Development+of+a+multilocus+sequence+typing+tool+for+high-resolution+genotyping+of+Enterocytozoon+bieneusi.

Thus far, genotyping of Enterocytozoon bieneusi has been based solely on DNA sequence analysis of the internal transcribed spacer (ITS) of the rRNA gene. Both host-adapted and zoonotic (human-pathogenic) genotypes of E. bieneusi have been identified.
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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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