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Home / Archives for Costa P

Costa P

Enhanced Detection of Tuberculous Mycobacteria in Animal Tissues Using a Semi-Nested Probe-Based Real-Time PCR

  • Autores: Albuquerque T, Amaro A, Botelho A, Costa P, Couto I, Cunha MV, Ferreira AS, Inacio J, Viveiros M
  • Ano de Publicação: 2013
  • Journal: PLoS One
  • Link: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0081337

Bovine tuberculosis has been tackled for decades by costly eradication programs in most developed countries, involving the laboratory testing of tissue samples from allegedly infected animals for detection of Mycobacterium tuberculosis complex (MTC) members, namely Mycobacterium bovis. Definitive diagnosis is usually achieved by bacteriological culture, which may take up to 6–12 weeks, during which the suspect animal carcass and herd are under sanitary arrest.
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Nested and Multiplex Real-Time PCR Using Dual-Labeled Probes: Detecting and Discriminating Mycobacterium tuberculosis Complex Members in Cultures and Animal Tissues

  • Autores: Costa P, Couto I, Inacio J, Viveiros M
  • Ano de Publicação: 2015
  • Journal: Methods in molecular biology
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/25399092

Members of the Mycobacterium tuberculosis complex (MTC) are causative agents of tuberculosis (TB) in both humans and animals. In the last two decades, the accumulating knowledge of the nucleotide sequences of several genes, and of the whole genomes, of MTC members has allowed the development of novel molecular assays able to detect and discriminate between these species.
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Direct detection and differentiation of pathogenic Leptospira species using a multi gene targeted real time PCR approach

  • Autores: Ahmed A, Amaro A, Costa P, Ferreira AS, Harstkeerl RA, Inacio J, Rocha T, Thompson G, Vieira ML
  • Ano de Publicação: 2014
  • Journal: PLoS One
  • Link: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0112312

In this work we describe a novel and simple TaqMan-based multi-gene targeted real-time PCR approach able to detect and differentiate Leptospira interrogans, L. kirschneri, L. borgpeteresenii and L. noguchii, which constitute the veterinary most relevant pathogenic species of Leptospira.
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Rapid identification of veterinary-relevant Mycobacterium tuberculosis complex species using 16S rDNA, IS6110 and Regions of Difference-targeted dual-labelled hydrolysis probes

  • Autores: Albuquerque T, Amaro A, Botelho A, Costa P, Couto I, Ferreira AS, Inacio J, Machado D, Viveiros M
  • Ano de Publicação: 2014
  • Journal: Journal of Virological Methods
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/25192844

In this work we describe a rapid and robust two-step five-target probe-based real-time PCR identification algorithm, based on genomic deletion analysis, to identify the MTC species most commonly associated with TB in livestock and other animals.
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