Prevalence of Spotted Fever Group Rickettsia and Candidatus Lariskella in Multiple Tick Species from Guizhou Province, China

Article Infectious Diseases

Identification of Rickettsia spp., Anaplasma spp., and an Ehrlichia canis-like agent in Rhipicephalus microplus from Southwest and South-Central China

Miao Lu et al.

Summary: The study reveals the genetic diversity of Rhipicephalus microplus ticks in China and identifies various Rickettsiales pathogens carried by these ticks.

TICKS AND TICK-BORNE DISEASES (2022)

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Article Microbiology

Molecular Survey of Vector-Borne Pathogens in Ticks, Sheep Keds, and Domestic Animals from Ngawa, Southwest China

Miao Lu et al.

Summary: This study collected insect and animal samples in Southwest China and investigated the bacterial pathogens present. The results identified novel strains and species of pathogens and revealed the diversity of vector-borne pathogens in the area. Further research is needed to understand their pathogenicity to humans and domestic animals.

PATHOGENS (2022)

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Article Immunology

Zoonotic Infection with Oz Virus, a Novel Thogotovirus

Ngo T. B. Tran et al.

Summary: The study found that Oz virus may naturally infect humans and other mammalian hosts.

EMERGING INFECTIOUS DISEASES (2022)

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Review Infectious Diseases

Moonlighting in Rickettsiales: Expanding Virulence Landscape

Ana Luisa Matos et al.

Summary: The order Rickettsiales includes species that cause a range of human diseases, which are still a major public health concern due to resurgence patterns and geographical expansion. As obligate intracellular bacteria, Rickettsiales are characterized by their small genome sizes due to reductive evolution. Many pathogens employ moonlighting/multitasking proteins as virulence factors to enhance their virulence.

TROPICAL MEDICINE AND INFECTIOUS DISEASE (2022)

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Article Biochemistry & Molecular Biology

Identification of a new orthonairovirus associated with human febrile illness in China

Jun Ma et al.

Summary: A new Orthonairovirus, Songling virus (SGLV), was identified in patients bitten by ticks in Heilongjiang Province, China. SGLV displayed similar features to other Orthonairoviruses and formed a unique clade within the Tamdy Orthonairovirus in the Nairoviridae family. Infection with SGLV caused symptoms like headache, fever, depression, fatigue, and dizziness in hospitalized patients, with 69% developing virus-specific antibodies in the acute phase, indicating its association with human febrile illness in China.

NATURE MEDICINE (2021)

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Article Parasitology

Rickettsia spp. in bats of Romania: high prevalence of Rickettsia monacensis in two insectivorous bat species

Ioana A. Matei et al.

Summary: This study conducted a large-scale investigation on Romanian bat species, revealing the presence of R. monacensis in two bat species. The findings suggest a potential involvement of bats in the epidemiology of Rickettsia spp., emphasizing their importance in the natural cycles of vector-borne pathogens.

PARASITES & VECTORS (2021)

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Article Multidisciplinary Sciences

Mapping ticks and tick-borne pathogens in China

Guo-Ping Zhao et al.

Summary: Understanding the ecological niches of major tick species and prevalent tick-borne pathogens is crucial for efficient surveillance and control of tick-borne diseases. The study in China reveals that Haemaphysalis longicornis harbors the highest variety of tick-borne agents among various tick species.

NATURE COMMUNICATIONS (2021)

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Article Multidisciplinary Sciences

Molecular investigation of tick-borne pathogens in ticks removed from tick-bitten humans in the southwestern region of the Republic of Korea

Mi Seon Bang et al.

Summary: This study investigated the presence of tick-borne pathogens in ticks removed from tick-bitten humans in the southwestern provinces of the Republic of Korea. The findings revealed the detection of spotted fever group (SFG) Rickettsia, Anaplasma phagocytophilum, and Babesia spp. as the most common pathogens carried by ticks, with the identification of three predominant tick species. This study also reported the first detection of R. tamurae and Ca. R. jingxinensis in Korea, contributing to the understanding of tick-borne infections in animals and humans in the ROK.

PLOS ONE (2021)

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Article Multidisciplinary Sciences

A novel nairovirus associated with acute febrile illness in Hokkaido, Japan

Fumihiro Kodama et al.

Summary: Kodama et al. discovered and characterized a novel tick-borne orthonairovirus, named Yezo virus (YEZV), in Japan. Serological testing and molecular screening suggested an endemic circulation of YEZV in Japan. The study indicates that YEZV is likely the causative pathogen of febrile illness transmitted by ticks in Japan.

NATURE COMMUNICATIONS (2021)

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Article Infectious Diseases