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    • A Coxiella mutualist symbiont is essential to the development of rhipicephalus microplus 

      Garcia Guizzo, Melina; Parizi, Luís Fernando; Nunes, Rodrigo Dutra; Schama, Renata; Albano, Rodolpho M.; Tirloni, Lucas; Oldiges, Daiane Patrícia; Pilz Vieira, Ricardo; Cruz Oliveira, Wanderson Henrique; De Souza Leite, Milane; Gonzalez, Sergio Alberto; Farber, Marisa Diana; Martins, Orlando; Da Silva Vaz, Itabajara; Oliveira, Pedro L. (Nature Publishing Group, 2017-12)
      The cattle tick Rhipicephalus microplus is a hematophagous ectoparasite that causes important economic losses in livestock. Different species of ticks harbor a symbiont bacterium of the genus Coxiella. It was showed that ...

    • A novel type 1 cystatin involved in the regulation of Rhipicephalus microplus midgut cysteine proteases 

      Lu, Stephen; Rocha, Leticia A. da; Torquato, Ricardo J.S.; Vaz Junior, Itabajara da Silva; Florin-Christensen, Mónica; Tanaka, Aparecida S. (Elsevier, 2020-05)
      Rhipicephalus microplus is a cattle ectoparasite found in tropical and subtropical regions around the world with great impact on livestock production. R. microplus can also harbor pathogens, such as Babesia sp. and Anaplasma ...

    • Coxiella endosymbiont of rhipicephalus microplus modulates tick physiology with a major impact in blood feeding capacity 

      Garcia Guizzo, Melina; Tirloni, Lucas; Gonzalez, Sergio Alberto; Farber, Marisa Diana; Braz, Glória; Parizi, Luís Fernando; Dedavid e Silva, Lucas Andre; Da Silva Vaz, Itabajara; Oliveira, Pedro L. (Frontiers Media, 2022-05)
      In the past decade, metagenomics studies exploring tick microbiota have revealed widespread interactions between bacteria and arthropods, including symbiotic interactions. Functional studies showed that obligate endosymbionts ...

    • In vitro diagnosis of the first case of amitraz resistance in Rhipicephalus microplus in Santo Tomé (Corrientes), Argentina 

      Cutulle, Christian; Lovis, Léonore; D’Agostino, Beatriz Inés; Balbiani, Gabriel; Morici, Gabriel Edgardo; Citroni, Daniel; Reggi, Julio; Caracostantogolo, Jorge Luis (Elsevier, 2013-02)
      In Argentina, the cattle tick Rhipicephalus microplus has already developed resistance to organophospates and synthetic pyrethroids. However, no cases of amitraz resistance have ever been recorded in this country despite ...

    • Transovarial transmission of anaplasma marginale in Rhipicephalus (Boophilus) microplus ticks results in a bottleneck for strain diversity 

      De La Fourniere, Sofia; Guillemi, Eliana Carolina; Paoletta, Martina; Pérez, Agustina Ericlee; Obregón, Dasiel; Cabezas-Cruz, Alejandro; Sarmiento, Nestor Fabian; Farber, Marisa Diana (MDPI, 2023-08)
      Anaplasma marginale is an obligate intraerythrocytic bacterium of bovines, responsible for large economic losses worldwide. It is mainly transmitted by Rhipicephalus (Boophilus) microplus ticks and, despite mounting evidence ...