Results 21 to 30 of about 9,217 (237)

Extensive diversity of Rickettsiales bacteria in two species of ticks from China and the evolution of the Rickettsiales [PDF]

open access: yesBMC Evolutionary Biology, 2014
Les bactéries de l'ordre des Rickettsiales (Alphaproteobacteria) sont des parasites intracellulaires obligatoires qui infectent les espèces de pratiquement toutes les grandes lignées eucaryotes. Plusieurs genres rickettsiaux abritent des espèces qui sont d'importants agents pathogènes émergents et ré-émergents de l'homme.
Yan Jun Kang   +13 more
core   +4 more sources

“Candidatus Midichloriaceae” fam. nov. (Rickettsiales), an Ecologically Widespread Clade of Intracellular Alphaproteobacteria [PDF]

open access: bronzeApplied and Environmental Microbiology, 2013
ABSTRACT “ Candidatus Midichloria mitochondrii” is an intramitochondrial bacterium of the order Rickettsiales associated with the sheep tick Ixodes ricinus . Bacteria phylogenetically related to “ Ca .
Matteo Montagna   +9 more
openalex   +6 more sources

Diversity of Rickettsiales bacteria in five species of ticks collected from Jinzhai County, Anhui Province, China in 2021–2022

open access: yesFrontiers in Microbiology, 2023
The order Rickettsiales in the class Alphaproteobacteria comprises vector-borne pathogens of both medical and veterinary importance. Ticks, as a group, are second only to mosquitoes as vectors of pathogens to humans, playing a critical role in the ...
Xiaojing Jin   +9 more
doaj   +1 more source

Rickettsiales in the WHO European Region: an update from a One Health perspective

open access: yesParasites & Vectors, 2023
Background The availability of molecular techniques has significantly increased our understanding of bacteria of the order Rickettsiales, allowing the identification of distinct species in both vector and host arthropods.
Cristoforo Guccione   +3 more
doaj   +1 more source

What are the Evolutionary Origins of Mitochondria? A Complex Network Approach. [PDF]

open access: yesPLoS ONE, 2015
Mitochondria originated endosymbiotically from an Alphaproteobacteria-like ancestor. However, it is still uncertain which extant group of Alphaproteobacteria is phylogenetically closer to the mitochondrial ancestor. The proposed groups comprise the order
Daniel S Carvalho   +6 more
doaj   +1 more source

Human-pathogenic Anaplasma spp., and Rickettsia spp. in animals in Xi'an, China. [PDF]

open access: yesPLoS Neglected Tropical Diseases, 2018
In China, thirteen species of tick-borne rickettsiales bacteria pathogenic to human have been reported in ticks and host animals, and human patients caused by them also has been identified. However, investigation for rickettsiales bacteria circulating in
Wen-Ping Guo   +6 more
doaj   +1 more source

Investigation of Anaplasma marginale Seroprevalence in a Traditionally Managed Large California Beef Herd. [PDF]

open access: yes, 2016
Recent observations by stakeholders suggested that ecosystem changes may be driving an increased incidence of bovine erythrocytic anaplasmosis, resulting in a reemerging cattle disease in California.
Aly, Sharif S   +4 more
core   +4 more sources

A Metabolic Dependency for Host Isoprenoids in the Obligate Intracellular Pathogen Rickettsia parkeri Underlies a Sensitivity to the Statin Class of Host-Targeted Therapeutics. [PDF]

open access: yes, 2019
Gram-negative bacteria in the order Rickettsiales have an obligate intracellular growth requirement, and some species cause human diseases such as typhus and spotted fever.
Ahyong, Vida   +4 more
core   +2 more sources

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