| rickettsial infection in ticks infesting wild birds from two eco-regions of argentina. | several tick-borne rickettsia species are recognized human pathogens in argentina. here we evaluated rickettsial infection in ticks collected on passerine birds during 2011-2012 in two eco-regions of argentina. the ticks were processed by molecular analysis through polymerase chain reaction (pcr) detection and dna sequencing of fragments of two rickettsial genes, glta and ompa. a total of 594 tick specimens (532 larvae and 62 nymphs), representing at least 4 species (amblyomma tigrinum, ixodes p ... | 2016 | 27580393 |