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Home / Archives for Ticks and Tick-Borne Diseases

Transient transfection of Babesia ovis using heterologous promoters

  • Authors: Rosa C, Asada M, Hakimi H, Domingos A, Pimentel M, Antunes S
  • Publication Year: 2019
  • Journal: Ticks and Tick-Borne Diseases
  • Link: https://www.sciencedirect.com/science/article/pii/S1877959X19301566

Babesia species, etiological agents of babesiosis, a recognized emerging tick-borne disease, are a significant animal and human health concern with a worldwide socio-economic impact. The development of genetic manipulation techniques, such as transfection technology, is pivotal to improve knowledge regarding the biology of these poorly studied parasites towards better disease control strategies. For Babesia ovis, responsible for ovine […]
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Geographic dispersal and genetic diversity of tick-borne phleboviruses (Phenuiviridae, Phlebovirus) as revealed by the analysis of L segment sequences

  • Authors: Pimentel V, Afonso R, Nunes M, Vieira ML, Bravo-Barriga D, Frontera E, Martinez M, Pereira A, Maia C, Paiva-Cardoso MDN, Freitas FB, Abecasis AB, Parreira R
  • Publication Year: 2019
  • Journal: Ticks and Tick-Borne Diseases
  • Link: https://www.ncbi.nlm.nih.gov/pubmed/31078467

The large diversity of new tick-borne phleboviruses, and the negative impacts of the virulent viruses on human/animal health have led to a growing interest in their analysis. In this report, new insights are brought out into the diversity of putative phleboviruses circulating in Portugal (both the continental territory and the islands of São Miguel, in […]
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Molecular heterogeneity of Rhipicephalus sanguineus sensu lato and screening for Ehrlichia canis in mainland Portugal

  • Authors: Sanches GS, Couto J, Silva-Pedrosa R, Ferrolho J, Santos AS, Santos-Silva MM, Antunes S, Domingos A
  • Publication Year: 2018
  • Journal: Ticks and Tick-Borne Diseases
  • Link: https://www.ncbi.nlm.nih.gov/pubmed/29958827

The present study aimed to expand knowledge regarding the molecular characterization of R. sanguineus s.l. in Portugal and to screen for ticks naturally infected with E. canis. A total of 113 R. sanguineus s.l. were collected questing or attached to domestic and wild animals from the 18 administrative regions of mainland Portugal. All the ticks […]
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Antiplasmodial activity of tick defensins in a mouse model of malaria

  • Authors: Couto J, Tonk M, Ferrolho J, Antunes S, Vilcinskas A, de la Fuente J, Domingos A, Cabezas-Cruz A
  • Publication Year: 2018
  • Journal: Ticks and Tick-Borne Diseases
  • Link: https://www.sciencedirect.com/science/article/pii/S1877959X17303291%20

Malaria is a mosquito-borne disease affecting millions of people mainly in Sub-Saharan Africa, Asia and some South American countries. Drug resistance to first-line antimalarial drugs (e.g. chloroquine, sulfadoxine–pyrimethamine and artemisinin) is a major constrain in malaria control. Antimicrobial peptides (AMPs) have shown promising results in controlling Plasmodium spp. parasitemia in in vitro and in vivo […]
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Growth of Ehrlichia canis, the causative agent of canine monocytic ehrlichiosis, in vector and non-vector ixodid tick cell lines

  • Authors: Bell-Sakyi L, Ferrolho J, Hawes P, Simpson J, Zweygarth E
  • Publication Year: 2016
  • Journal: Ticks and Tick-Borne Diseases
  • Link: https://www.sciencedirect.com/science/article/pii/S1877959X16300127?via%3Dihub

Canine monocytic ehrlichiosis is caused by Ehrlichia canis, a small gram-negative coccoid bacterium that infects circulating monocytes. The disease is transmitted by the brown dog tick Rhipicephalus sanguineus s.l. and is acknowledged as an important infectious disease of dogs and other members of the family Canidae worldwide. E. canis is routinely cultured in vitro in […]
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About GHTM

GHTM is a R&D Unit that brings together researchers 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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