Results 1 to 10 of about 2,907 (112)

A molecular survey of spotted fever group rickettsiae in introduced raccoons (Procyon lotor) [PDF]

Parasites & Vectors, 2022
Background The raccoon Procyon lotor (Linnaeus, 1758) (Carnivora; Procyonidae) is one of the most important and most intensively studied invasive mammal species in Europe.
Joanna Hildebrand, Agnieszka Perec-Matysiak, Marcin Popiołek, Dorota Merta, Izabella Myśliwy, Katarzyna Buńkowska-Gawlik   +5 more
doaj   +2 more sources

One Health Approach to Rickettsiosis: A Five-Year Study on Spotted Fever Group Rickettsiae in Ticks Collected from Humans, Animals and Environment [PDF]

Microorganisms, 2021
The spotted fever group of Rickettsiae is a heterogeneous group of Rickettsiae transmitted by ticks, causing similar diseases in humans (spotted fever). Until recently, it was supposed that a single pathogenic tick-borne SFG Rickettsia circulated in each
Ilaria Pascucci, Elisa Antognini, Cristina Canonico, Marco Giuseppe Montalbano, Alessandro Necci, Alessandra di Donato, Martina Moriconi, Benedetto Morandi, Giulia Morganti, Silvia Crotti, Stefano Gavaudan   +10 more
doaj   +2 more sources

Spotted Fever Group Rickettsiae in Inner Mongolia, China, 2015–2016 [PDF]

Emerging Infectious Diseases, 2018
We found Rickettsia raoultii infection in 6/261 brucellosis-negative patients with fever of unknown origin in brucellosis-endemic Inner Mongolia, China. We further identified Hyalomma asiaticum ticks associated with R. raoultii, H.
Gaowa, Wulantuya, Xuhong Yin, Shengchun Guo, Chunlian Ding, Minzhi Cao, Hiroki Kawabata, Kozue Sato, Shuji Ando, Hiromi Fujita, Fumihiko Kawamori, Hongru Su, Masahiko Shimada, Yuko Shimamura, Shuichi Masuda, Norio Ohashi   +15 more
doaj   +2 more sources

Spotted fever group rickettsiae (SFGR) detection in ticks following reported human case of Japanese spotted fever in Niigata Prefecture, Japan [PDF]

Scientific Reports, 2021
Japanese spotted fever, a tick-borne disease caused by Rickettsia japonica, was firstly described in southwestern Japan. There was a suspicion of Rickettsia japonica infected ticks reaching the non-endemic Niigata Prefecture after a confirmed case of ...
Reiko Arai, Megumi Sato, Miwako Kato, Junko Aoki, Akiko Nishida, Kaori Watanabe, Chika Hirokawa, Sumire Ikeda, Kozo Watanabe, Maria Angenica F. Regilme, Marcello Otake Sato, Tsutomu Tamura   +11 more
doaj   +2 more sources

Severe Fever with Thrombocytopenia Syndrome Complicated by Co-infection with Spotted Fever Group Rickettsiae, China [PDF]

Emerging Infectious Diseases, 2016
During 2013–2015 in central China, co-infection with spotted fever group rickettsiae was identified in 77 of 823 patients infected with severe fever with thrombocytopenia syndrome virus.
Qing-Bin Lu, Hao Li, Pan-He Zhang, Ning Cui, Zhen-Dong Yang, Ya-Di Fan, Xiao-Ming Cui, Jian-Gong Hu, Chen-Tao Guo, Xiao-Ai Zhang, Li-Qun Fang, Wu-Chun Cao   +11 more
doaj   +2 more sources

Molecular Evidence of Spotted Fever Group Rickettsiae in Ticks and Fleas Collected from Some Wild and Domestic Animals in Different Biotopes in Algeria [PDF]

Journal of Arthropod-Borne Diseases
Background: Emergent vector-borne diseases have gained significant attention in recent years due to their increasing prevalence and impact on public health.
Assia Beneldjouzi, Ismail Lafri, Amel Djerbouh, Safia Nekhili, Lydia Hamrioui, Nacer Eddine Messahel, Zoubir Harrat, Naouel Eddaikra, Idir Bitam   +8 more
doaj   +2 more sources

Seroprevalence of spotted fever group and typhus group rickettsiae in individuals with acute febrile illness from Gorakhpur, India

International Journal of Infectious Diseases, 2019
Background: The aim of this study was to estimate the seroprevalence of spotted fever group (SFG) and typhus group (TG) rickettsiae among individuals with acute febrile illness (AFI) in the scrub typhus endemic district of Gorakhpur in India.
Arati Mane, Suchit Kamble, Raman Gangakhedkar   +2 more
exaly   +3 more sources

Spotted Fever Group Rickettsiae in Questing Ticks, Central Spain [PDF]

Emerging Infectious Diseases, 2013
Isabel G. Fernández de Mera, Francisco Ruiz-Fons, Gabriela de la Fuente, Atilio J. Mangold, Christian Gortázar, José de la Fuente   +5 more
doaj   +2 more sources

Regulator of Actin-Based Motility (RoaM) Downregulates Actin Tail Formation by Rickettsia rickettsii and Is Negatively Selected in Mammalian Cell Culture

mBio, 2022
The etiological agent of Rocky Mountain spotted fever, Rickettsia rickettsii, is an obligately intracellular pathogen that induces the polymerization of actin filaments to propel the bacterium through the cytoplasm and spread to new host cells.
Adam M. Nock, Tina R. Clark, Ted Hackstadt   +2 more
doaj   +1 more source

Tropism and pathogenicity of rickettsiae

Frontiers in Microbiology, 2012
Rickettsiae are obligate intracellular parasitic bacteria that cause febrile exanthematous illnesses such as Rocky Mountain spotted fever, Mediterranean spotted fever, epidemic and murine typhus, etc. Although the vector ranges of each Rickettsia species
Tsuneo eUchiyama
doaj   +1 more source