Results 111 to 120 of about 46,726 (278)

Rickettsia parkeri and Candidatus Rickettsia andeanae in Tick of the Amblyomma maculatum Group, Mexico

Emerging Infectious Diseases, 2019
We report Rickettsia parkeri and Candidatus Rickettsia andeanae in ticks of the Amblyomma maculatum group collected from dogs in Sonora, Mexico. Molecular characterization of these bacteria was accomplished by DNA amplification and sequence analysis of ...
J. Delgado-de la Mora, S. Sánchez-Montes, J. D. Licona-Enríquez, David Delgado-de la Mora, C. Paddock, L. Beati, P. Colunga-Salas, C. Guzmán-Cornejo, Maria L. Zambrano, Sandor E. Karpathy, A. López-Pérez, G. Álvarez-Hernández   +11 more
semanticscholar   +1 more source

A Case Report of Chlamydia Psittaci Pneumonia and Pulmonary Aspergillosis Diagnosed by Nanopore Sequencing

iLABMED, Volume 3, Issue 3, Page 258-262, September 2025.
ABSTRACT This paper reports a case of Chlamydia psittaci pneumonia and pulmonary aspergillosis with concurrent liver injury. The patient was admitted to the hospital with coughing, expectoration, and fever for 5 days. Laboratory tests upon admission revealed abnormalities in liver function.
Chang Song, Chunyan Zhao, Aichun Huang, Chaoyan Xu, Chunmei Zeng, Qingdong Zhu   +5 more
wiley   +1 more source

Novel Rickettsia Species Infecting Dogs, United States

Emerging Infectious Diseases, 2020
In 2018 and 2019, spotted fever was suspected in 3 dogs in 3 US states. The dogs had fever and hematological abnormalities; blood samples were Rickettsia seroreactive. Identical Rickettsia DNA sequences were amplified from the samples.
James M. Wilson, Edward B. Breitschwerdt, Nicholas B. Juhasz, Henry S. Marr, Joao Felipe de Brito Galvão, Carmela L. Pratt, Barbara A. Qurollo   +6 more
doaj   +1 more source

Detection of tick-borne pathogens in questing Ixodes ricinus in the French Pyrenees and first identification of Rickettsia monacensis in France

Parasite, 2019
Ticks are important vectors of several human and animal pathogens. In this study, we estimated the prevalence of important tick-borne infections in questing ticks from an area in Southwestern France (Hautes-Pyrénées) inhabited by Pyrenean chamois ...
Toufic Akl, G. Bourgoin, Marie-Line Souq, Joël Appolinaire, Marie-Thérèse Poirel, P. Gibert, Georges Abi Rizk, M. Garel, L. Zenner   +8 more
semanticscholar   +1 more source

Persistent Human T‐Lymphotropic Virus Type 1 (HTLV‐1) Infection in the Placenta of Pregnant Women

Journal of Medical Virology, Volume 97, Issue 9, September 2025.
ABSTRACT Mother‐to‐child transmission (MTCT) is the primary route of human T‐lymphotropic virus type 1 (HTLV‐1) infection. Although formula feeding reduces breastfeeding‐associated transmission, MTCT still occurs, implicating pregnancy or delivery as key transmission windows.
Gabriela Prates, Xiaoyi Li, Victor Folgosi, George Souza, Sandy Teixeira, Carlos Apoliano, Fernanda Grassi, Jacielma Freire, Jerusa Smid, Michel E. Haziot, Rosa Maria N. Marcusso, Augusto C. P. de Oliveira, Hongjie Chen, Tatiane Assone, Yuyang Tang, Guochun Jiang, Jorge Casseb   +16 more
wiley   +1 more source

Genotypic Characterization of Rickettsia bellii Reveals Distinct Lineages in the United States and South America

BioMed Research International, 2018
The bacterium Rickettsia bellii belongs to a basal group of rickettsiae that diverged prior to the pathogenic spotted fever group and typhus group Rickettsia species. Despite a diverse representation of R.
F. Krawczak, M. Labruna, Joy A. Hecht, C. Paddock, Sandor E. Karpathy   +4 more
semanticscholar   +1 more source

Combined infection with Tomato yellow leaf curl virus and Rickettsia influences fecundity, attraction to infected plants and expression of immunity-related genes in the whitefly Bemisia tabaci.

Journal of General Virology, 2019
We have recently shown that Rickettsia, a secondary facultative bacterial symbiont that infects the whitefly B. tabaci is implicated in the transmission of Tomato yellow leaf curl virus (TYLCV).
Adi Kliot, S. Kontsedalov, G. Lebedev, H. Czosnek, M. Ghanim   +4 more
semanticscholar   +1 more source

Microbial diversity in the tick Argas japonicus (Acari: Argasidae) with a focus on Rickettsia pathogens

Medical and Veterinary Entomology, 2019
The soft tick Argas japonicus mainly infests birds and can cause human dermatitis; however, no pathogen has been identified from this tick species in China. In the present study, the microbiota in A.
P. Yan, Z. Qiu, Tian-Tian Zhang, Yuan Li, Wenying Wang, Mengmeng Li, Zhijun Yu, Jingze Liu   +7 more
semanticscholar   +1 more source

Scrub typhus: Overview of demographic variables, clinical profile, and diagnostic issues in the sub-Himalayan region of India and its comparison to other Indian and Asian studies

Journal of Family Medicine and Primary Care, 2019
Background: India is a tropical country with a high burden of febrile zoonotic/infectious illnesses, scrub typhus being such a cause with multiple epidemics reported from different regions of the country. Objective: This study was plotted to document the
Monika Pathania, Amisha, Paras Malik, Vyas Kumar Rathaur   +3 more
doaj   +1 more source

Diversity of Rickettsia in Ticks Collected in Abruzzi and Molise Regions (Central Italy)

Microorganisms, 2019
Rickettsiae have worldwide occurrence and rickettsiosis are widely recognized as emerging infections in several parts of the world. For decades, it was thought that a single pathogenic tick-borne spotted fever group (SFG), Rickettsia, occurred in each ...
I. Pascucci, M. Di Domenico, V. Curini, A. Cocco, Daniela Averaimo, N. D’Alterio, C. Cammà   +6 more
semanticscholar   +1 more source