Results 81 to 90 of about 7,925 (202)

Spotted fever group Rickettsia infecting ticks (Acari: Ixodidae) in the state of Santa Catarina, Brazil

Memorias do Instituto Oswaldo Cruz, 2011
During 2006-2008, a total of 260 adult ticks were collected from domestic and wild animals in different regions of the state of Santa Catarina (SC), Brazil, including areas where human cases of Brazilian spotted fever have been reported.
Alessandra Pereira Medeiros, Antonio Pereira de Souza, Anderson Barbosa de Moura, Marcia Sangaletti Lavina, Valdomiro Bellato, Amélia Aparecida Sartor, Fernanda Aparecida Nieri-Bastos, Leonardo José Richtzenhain, Marcelo Bahia Labruna   +8 more
doaj   +1 more source

Rickettsioses in Latin America, Caribbean, Spain and Portugal [PDF]

, 2011
Data on genus and infectious by Rickettsia were retrospectively compiled from the critical review literature regarding all countries in Latin America, Caribbean islands, Portugal and Spain.
Abarca, Katia, Bermudez, Sergio, De Sousa, Rita, Dolz, Gaby, Labruna, Marcelo B., Mattar V, Salim, Nava, Santiago, Oteo, Jose, Romero, Luis, Venzal, Jose M., Zavala-Castro, Jorge   +10 more
core   +1 more source

The Role of Viruses in the Pathogenesis of Periodontitis

Journal of Periodontal Research, EarlyView.
This narrative review aimed to summarize current evidence on the presence and potential pathogenic role of viruses in periodontitis. Design: Narrative Review; Population: Patients with periodontitis; Exposure: Detection of viruses in oral samples (biopsies, saliva, gingival crevicular fluid, subgingival plaque, blood); Outcome: Viral prevalence, load ...
Kim Natalie Stolte, Jørgen Slots, Henrik Dommisch   +2 more
wiley   +1 more source

Spotted fever rickettsiosis in Coronel Fabriciano, Minas Gerais State

Revista da Sociedade Brasileira de Medicina Tropical, 2003
We report cases of spotted fever rickettsiosis in Coronel Fabriciano Municipality of Minas Gerais State, Brazil. The cases occurred in May and June of 2000.
Galvão Márcio Antônio Moreira, Calic Simone Berger, Chamone Chequer Buffe, Mafra S. Cláudio Lísias, Cesarino Filho Gracco, Olano Juan Pablo, Walker David Hughes   +6 more
doaj  

Cellular immune response of Amblyomma sculptum and Amblyomma americanum to entomopathogenic fungi: Implications for biological tick control

Medical and Veterinary Entomology, EarlyView.
Amblyomma sculptum showed a plasmatocyte‐dominant haemocyte profile. Beauveria bassiana increased plasmatocytes and reduced granulocytes, whereas Metarhizium robertsii did not cause significant changes. Amblyomma americanum showed a granulocyte‐dominant haemocyte profile. Beauveria bassiana reduced total haemocytes and granulocytes. B.
Cárita de Souza Ribeiro‐Silva, Valesca Henrique Lima, Salorrane Miranda N. Pinto, Gustavo Felizardo S. Sandes, Victor Hugo Ribeiro Costa, Albert Mulenga, Adela S. Oliva Chavez, Éverton Kort Kamp Fernandes   +7 more
wiley   +1 more source

Molecular identification of Rickettsia felis in ticks and fleas from an endemic area for Brazilian Spotted Fever

Memorias do Instituto Oswaldo Cruz, 2008
Rickettsioses are arthropod-borne diseases caused by parasites from the Order Rickettsiales. The most prevalent rickettsial disease in Brazil is Brazilian Spotted Fever (BSF).
KA Oliveira, LS Oliveira, CCA Dias, A Silva Jr, MR Almeida, G Almada, DH Bouyer, MAM Galvão, CL Mafra   +8 more
doaj   +1 more source

Clinical use of polymerase chain reaction performed on peripheral blood and bone marrow samples for the diagnosis and monitoring of visceral leishmaniasis in HIV-infected and HIV-uninfected patients: a single-center, 8-year experience in Italy and review of the literature [PDF]

, 2007
Background. To overcome some of the limitations of conventional microbiologic techniques, polymerase chain reaction (PCR)–based assays are proposed as useful tools for the diagnosis of visceral leishmaniasis. Patients and methods.
ACQUAVIVA, V, ANTINORI, Sabrina, BESTETTI, G, CALATTINI, S, CASCIO, ANTONIO, COLOMBA, Claudia, CORBELLINO, M., CORVASCE, S, FOSCHI, A, GRAMICCIA, M, LONGHI, E, MAGNI, C, ORLANDO, G, PARRAVICINI, C, PIOLINI, R, TITONE LANZA DI SCALEA, Lucina   +15 more
core   +1 more source

Transfer of paracetamol across the placenta and fetal blood–brain barriers and its safety for use in pregnancy

The Journal of Physiology, EarlyView.
Abstract figure legend Paracetamol (acetaminophen) is commonly taken during pregnancy for pain and fever. To gain a more comprehensive understanding of paracetamol's effects during pregnancy, several elements need to be examined including the transfer of paracetamol across the placenta and into the developing brain, the short‐ and long‐term effects of ...
Yifan Huang, Liam Koehn
wiley   +1 more source

Emergent global patterns of ecosystem structure and function from a mechanistic general ecosystem model [PDF]

, 2014
Anthropogenic activities are causing widespread degradation of ecosystems worldwide, threatening the ecosystem services upon which all human life depends.
A Friedlander, A Hardisty, B Cho, B Collen, B-E Sæther, BJ McGill, C Mora, C Ward-Paige, CA Deutsch, CB Field, CD Thomas, CEL Ferreira, CH Sekercioglu, CM Duarte, CR McClain, D Griffiths, D Policansky, D Post, D Yates, Derek P. Tittensor, DG Jenkins, Drew W. Purves, DW Purves, E Jeppesen, E Macpherson, E Odum, E Siemann, EA Fulton, FS Chapin, G Krinner, GA Kaufman, GM Mace, H Cyr, H Stibor, HR Peinetti, J Cebrian, J Chase, J Gasol, J Merilä, JA Carton, JE Cohen, JH Brown, JL Frangi, JM Sunday, Jon Hutton, JP Rodríguez, JS Millar, Jörn P. W. Scharlemann, K Rose, KA Nagy, KA Schubert, KE Jones, KR Buck, L Tremblay-Boyer, LLM Fedigan, LW Oring, M Behrenfeld, M González-Suárez, Matthew J. Smith, MBJ Harfoot, ME Power, Michael B. J. Harfoot, Michel Loreau, MJ Coe, MJ Morgan, MJ Smith, MJ Vander Zanden, MK Litvak, MR Evans, MW McCoy, N Blakley, N Loeuille, NG Hairston, O Krüger, P Abrams, P Del Giorgio, PK Holland, R Alkemade, R Bustamante, R Gentile, R Meek, R Shine, R Shine, RE Ricklefs, RE Ricklefs, RJ Williams, RJ Williams, RW Sheldon, RW Wilson, S Díaz, S Fretwell, S Jain, S Jennings, S Jennings, S Meiri, S Sitch, SA Sandin, SD Pletcher, Stephen Emmott, T Newbold, T Sousa, Tim Newbold, TJ Case, TJ Webb, U Brose, V Christensen, Vassily Lyutsarev, W Sprules, X Irigoien, Y-J Shin   +109 more
core   +4 more sources

Rickettsiales in South America: A Systematic Review of Their Molecular Detection and Distribution in Arthropods and Vertebrates

Public Health Challenges, Volume 5, Issue 2, June 2026.
ABSTRACT Bacteria of the order Rickettsiales comprise a diverse group of obligate intracellular microorganisms that are globally distributed and highly prevalent in tropical and subtropical regions. In South America, these bacteria have been associated with arthropod vectors, such as ticks, fleas, mites, lice, and certain dipterans, as well as with a ...
Cristian J. Zamorano‐Gómez, Paula A. Ossa‐López, Estefani T. Martínez‐Sánchez, Fredy A. Rivera‐Paéz   +3 more
wiley   +1 more source