Browsing by Author "Mendes, Andreia"
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- Análise molecular de micobactérias patogénicas em amostras de rim e gânglios de animais selvagensPublication . Sousa, Nídia de; Mendes, Andreia; Álvares, Sofia; Miranda, C.; Figueira, Luís; Coelho, Ana Cláudia; Matos, Ana Cristina; Matos, ManuelaAnálise molecular de micobactérias patogénicas em amostras de rim e gânglios de animais selvagens.
- Detection of Mycobacterium avium subsp. paratuberculosis in kidney samples of red deer (Cervus elaphus) in Portugal: Evaluation of different methodsPublication . Matos, Ana Cristina; Figueira, Luís; Martins, Maria Helena; Matos, Manuela; Álvares, Sofia; Mendes, Andreia; Pinto, Maria de Lurdes; Coelho, Ana Cláudia.Paratuberculosis or Johne's disease, caused by Mycobacterium avium subsp. paratuberculosis (Map), is a chronic granulomatous enteritis affecting both domestic and wild ruminants. The present work is part of a wider set of studies designed to assess the prevalence of paratuberculosis in free ranging red deer (Cervus elaphus). With that purpose, 877 free-ranging red deer legally hunted in the Centre-eastern Portugal were submitted to necropsy and sampled for molecular methods, microbiology and histopathology. Thirty-seven (4.2%) kidneys revealed acid-fast bacilli when screened with the Ziehl-Neelsen technique. Map was detected by IS900 polymerase chain reaction (PCR) in thirty (81.1%) of the Ziehl-Neelsen positive kidneys. Subsequent PCR and/or culture from the different organs of the 37 examined animals allowed us to detect 86.4% (32 animals) infected red deer. Our results suggest that renal involvement in Map infected deer may be underdiagnosed and thus the routine examination of this organ and its inclusion in PCR techniques designed for Map detection could substantially improve the diagnostic of paratuberculosis in red deer.
- Detection of Mycobacterium avium subsp. paratuberculosis in kidney samples of red deer (Cervus elaphus) in Portugal: Evaluation of different methodsPublication . Matos, Ana Cristina; Figueira, Luís; Martins, Maria Helena; Matos, Manuela; Álvares, Sofia; Mendes, Andreia; Pinto, Maria de Lurdes; Coelho, Ana CláudiaParatuberculosis or Johne's disease, caused by Mycobacterium avium subsp. paratuberculosis (Map), is a chronic granulomatous enteritis affecting both domestic and wild ruminants. The present work is part of a wider set of studies designed to assess the prevalence of paratuberculosis in free ranging red deer (Cervus elaphus). With that purpose, 877 free-ranging red deer legally hunted in the Centre-eastern Portugal were submitted to necropsy and sampled for molecular methods, microbiology and histopathology. Thirty-seven (4.2%) kidneys revealed acid-fast bacilli when screened with the Ziehl-Neelsen technique. Map was detected by IS900 polymerase chain reaction (PCR) in thirty (81.1%) of the Ziehl-Neelsen positive kidneys. Subsequent PCR and/or culture from the different organs of the 37 examined animals allowed us to detect 86.4% (32 animals) infected red deer. Our results suggest that renal involvement in Map infected deer may be underdiagnosed and thus the routine examination of this organ and its inclusion in PCR techniques designed for Map detection could substantially improve the diagnostic of paratuberculosis in red deer.
- Diffuse lymphadenitis and disseminated Mycobacterium avium subsp. paratuberculosis infection in two wild eurasian otters (Lutra lutra L. 1758)Publication . Matos, Ana Cristina; Figueira, Luís; Martins, Maria Helena; Matos, Manuela; Pires, Maria dos Anjos; Álvares, Sofia; Mendes, Andreia; Sousa, Nídia de; Coelho, Ana Cláudia; Pinto, Maria de LurdesDiffuse lymphadenitis and disseminated Mycobacterium avium subsp. paratuberculosis infection in two wild eurasian otters (Lutra lutra L. 1758).
- Diffuse lymphadenitis and disseminated Mycobacterium avium subsp. paratuberculosis infection in two wild Eurasian otters (Lutra lutra L. 1758)Publication . Matos, Ana Cristina; Figueira, Luís; Martins, Maria Helena; Matos, Manuela; Pires, Maria dos Anjos; Álvares, Sofia; Mendes, Andreia; Sousa, Nídia de; Coelho, Ana Cláudia; Pinto, Maria de LurdesDiffuse lymphadenitis and disseminated Mycobacterium avium subsp. paratuberculosis infection in two wild Eurasian otters (Lutra lutra L. 1758).
- Diffuse lymphadenitis and disseminated Mycobaterium avium Subs. paratuberculosis infection in two wild eurasian otters (Lutra lutra L. 1758)Publication . Matos, Ana Cristina; Figueira, Luís; Martins, Maria Helena; Matos, Manuela; Pires, Maria dos Anjos; Álvares, Sofia; Mendes, Andreia; Sousa, Nídia de; Coelho, Ana Cláudia; Pinto, Maria de LurdesEurasian otters (Lutra lutra, L. 1758) are diving mammals of the Mustelidae family, order Carnivora that live almost exclusively in riparian habitats. They can be carriers of mycobacteria, but Mycobacterium avium subsp. paratuberculosis (MAP) has never been reported in these animals.
- Disease processes identified in road killed wild carnivoresPublication . Matos, Ana Cristina; Figueira, Luís; Martins, Manuel; Matos, Manuela; Álvares, Sofia; Mendes, Andreia; Pires, Maria dos Anjos; Coelho, Ana Cláudia; Pinto, Maria de LurdesDisease processes identified in road killed wild carnivores.
- Granulomatous lesions and Mycobacterium avium subsp. paratuberculosis in portuguese wild boars (Sus scrofa)Publication . Matos, Ana Cristina; Figueira, Luís; Martins, Maria Helena; Matos, Manuela; Andrade, S.; Álvares, Sofia; Mendes, Andreia; Sousa, Nídia de; Coelho, Ana Cláudia; Pinto, Maria de LurdesGranulomatous lesions and Mycobacterium avium subsp. paratuberculosis in portuguese wild boars (Sus scrofa).
- Granulomatous lesions and Mycobacterium avium Subsp. paratuberculosis in Portuguese wild boars (Sus scrofa)Publication . Matos, Ana Cristina; Figueira, Luís; Martins, Maria Helena; Matos, Manuela; Andrade, S.; Álvares, Sofia; Mendes, Andreia; Sousa, Nídia de; Coelho, Ana Cláudia; Pinto, Maria de LurdesWild boar (Sus scrofa) is considered a vector of mycobacterial infections, but the presence of Mycobacterium avium subsp. paratuberculosis (MAP) has never been assessed in this species in Portugal.
- Granulomatous sesions and Mycobacterium avium subsp. paratuberculosis in Portuguese wild boars (Sus scrofa)Publication . Matos, Ana Cristina; Figueira, Luís; Martins, Maria Helena; Matos, Manuela; Andrade, S.; Álvares, Sofia; Mendes, Andreia; Sousa, Nídia de; Coelho, Ana Cláudia; Pinto, Maria de Lurdesranulomatous sesions and Mycobacterium avium subsp. paratuberculosis in Portuguese wild boars (Sus scrofa).