Publications

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general review of tick species present in portugal.at present, 24 species are known to occur in portugal: argas vespertilionis, ornithodoros maritimus and ornithodoros erraticus in argasidae; ixodes acuminatus, ixodes bivari, ixodes canisuga, ixodes frontalis, ixodes hexagonus, ixodes ricinus, ixodes simplex simplex, ixodes ventalloi, ixodes vespertilionis, dermacentor marginatus, dermacentor pictus', haemaphysalis hispanica, haemaphysalis inermis, haemaphysalis punctata, rhipicephalus bursa, rhipicephalus pusillus, rhipicephalus sanguineus, rhi ...199911071535
rickettsia sibirica isolation from a patient and detection in ticks, portugal.we report the first isolation of rickettsia sibirica (strain mongolotimonae) from the blood of a patient and detection by polymerase chain reaction (pcr) of the rickettsia in a rhipicephalus pusillus tick collected from a dead mongoose (herpestes ichneumon) in the alentejo region, portugal. we describe also the first pcr detection of a new rickettsia strain that is related to r. sibirica.200616836827
the recent evolution of a maternally-inherited endosymbiont of ticks led to the emergence of the q fever pathogen, coxiella burnetii.q fever is a highly infectious disease with a worldwide distribution. its causative agent, the intracellular bacterium coxiella burnetii, infects a variety of vertebrate species, including humans. its evolutionary origin remains almost entirely unknown and uncertainty persists regarding the identity and lifestyle of its ancestors. a few tick species were recently found to harbor maternally-inherited coxiella-like organisms engaged in symbiotic interactions, but their relationships to the q fever ...201525978383
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