Results 1 to 10 of about 140 (82)

Complete genome sequencing and comparative genomic analyses of a new spotted-fever Rickettsia heilongjiangensis strain B8

open access: yesEmerging Microbes and Infections, 2023
Rickettsia heilongjiangensis, a tick-borne obligate intracellular bacterium and causative agent of spotted fever in China, has attracted increasing concern regarding its capability in causing human rickettsiosis.
Maozhang He, Lifeng Zhang, Haoran Hu
exaly   +6 more sources

Proteome Analysis and Serological Characterization of Surface-Exposed Proteins of Rickettsia heilongjiangensis [PDF]

open access: yesPLoS ONE, 2013
BACKGROUND: Rickettsia heilongjiangensis, the agent of Far-Eastern spotted fever (FESF), is an obligate intracellular bacterium. The surface-exposed proteins (SEPs) of rickettsiae are involved in rickettsial adherence to and invasion of host cells ...
Yong Qi, Xiaolu Xiong, Xile Wang
exaly   +6 more sources

Stomach as the target organ of Rickettsia heilongjiangensis infection in C57BL/6 mice identified by click chemistry

open access: yesCommunications Biology
Spotted fever group rickettsiae (SFGR) are obligate intracellular bacteria that cause spotted fever. The limitations of gene manipulation pose great challenges to studying the infection mechanisms of Rickettsia.
Juan Wang   +2 more
exaly   +5 more sources

Genomic Features of Rickettsia heilongjiangensis Revealed by Intraspecies Comparison and Detailed Comparison With Rickettsia japonica [PDF]

open access: yesFrontiers in Microbiology, 2019
Rickettsia heilongjiangensis is the causative agent of Far-Eastern spotted fever (FESF). In Japan, a human case of FESF was identified in Sendai in Miyagi Prefecture in 2008, and R.
Seigo Yamamoto   +2 more
exaly   +5 more sources

High prevalence of Rickettsia spp. in ticks from wild hedgehogs rather than domestic bovine in Jiangsu province, Eastern China [PDF]

open access: yesFrontiers in Cellular and Infection Microbiology, 2022
BackgroundSpotted fever group Rickettsia (SFGR), containing various pathogenic Rickettsia spp., poses remarkable negative influences to public health by causing various severe or mild diseases. Information regarding prevalence of SFGR in ticks in Jiangsu
Lele Ai, Ruichen Lv, Nianhong Lu
exaly   +4 more sources

VapC toxins promote the pathogenesis of Rickettsia heilongjiangensis by cleaving essential RNAs from both Rickettsia and its host

open access: yesPLoS Pathogens
Toxin-antitoxin (TA) modules enable bacteria to persist under stressful environments. However, they are typically absent from host-associated prokaryotes due to their potential host toxicity. Here, the obligate intracellular bacterium spotted fever group
Yonghui Yu, Kehan Xu
exaly   +4 more sources

Haemaphysalis longicornis HSP20 inhibits Rickettsia heilongjiangensis replication by targeting the pathogen 50S ribosomal protein

open access: yesParasites and Vectors
Background The tick Haemaphysalis longicornis is a major vector for several zoonotic pathogens, including Rickettsia heilongjiangensis. Small heat-shock proteins (sHSPs) are critical for stress responses and host–pathogen interactions.
Lian-Feng Li   +2 more
exaly   +3 more sources

Mild Infections with Multiple Spotted Fever Grouped Rickettsia Species among Forest Rangers with Tick Bites [PDF]

open access: yesZoonoses, 2023
Tick-borne rickettsiae are increasingly recognized to cause human infections; however, a complete clinical spectrum is lacking. Thus, surveillance study was conducted among forest rangers with tick bites to describe the clinical manifestations.
Yong-Xiang Wu   +7 more
doaj   +2 more sources

Spotted fever group rickettsiae in hard ticks in eastern and southern Kazakhstan

open access: yesTicks and Tick-Borne Diseases, 2023
Infections with spotted fever group rickettsiae represent a worldwide health problem, characterized by persistent high fever, headache, and rash in humans, domestic animals, and wildlife.
Qiaoyan Dong   +9 more
doaj   +2 more sources

Expert opinion on the identification, risk assessment, and mitigation of microorganisms and parasites relevant to xenotransplantation products from pigs

open access: yesXenotransplantation, Volume 30, Issue 5, September/October 2023., 2023
Abstract Xenotransplantation has the potential to address shortages of organs available for clinical transplantation, but concerns exist regarding potential risks posed by porcine microorganisms and parasites (MP) to the health of human recipients. In this study, a risk‐based framework was developed, and expert opinion was elicited to evaluate porcine ...
Huybert Groenendaal   +14 more
wiley   +1 more source

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