Results 31 to 40 of about 6,257 (185)

Seroepidemiological Study of Spotted Fever Group Rickettsiae and Identification of a Putative New Species, Rickesttsia sp. Da-1, in Gongliao, Northeast Taiwan

open access: yesPathogens, 2021
Tick-borne spotted fever group (SFG) rickettsioses were neglected in Taiwan. The study reported a seroepidemiological survey of SFG rickettsiae in residents in Gongliao District, Northeast Taiwan.
Tsai-Ying Yen   +6 more
doaj   +1 more source

The Distinct Transcriptional Response of the Midgut of Amblyomma sculptum and Amblyomma aureolatum Ticks to Rickettsia rickettsii Correlates to Their Differences in Susceptibility to Infection

open access: yesFrontiers in Cellular and Infection Microbiology, 2017
Rickettsia rickettsii is a tick-borne obligate intracellular bacterium that causes Rocky Mountain Spotted Fever (RMSF). In Brazil, two species of ticks in the genus Amblyomma, A. sculptum and A.
Andréa C. Fogaça   +7 more
doaj   +1 more source

Indian tick typhus presenting as purpura fulminans with review on rickettsial infections

open access: yesIndian Journal of Dermatology, 2017
Rickettsial diseases are some of the most covert reemerging infections of the present times. They are generally incapacitating and notoriously difficult to diagnose; untreated cases can have fatality rates as high as 30%–35%, but when diagnosed properly,
Manjunath Hulmani   +2 more
doaj   +1 more source

The anal pore route is efficient to infect Amblyomma spp. ticks with Rickettsia rickettsii and allows the assessment of the role played by infection control targets

open access: yesFrontiers in Cellular and Infection Microbiology, 2023
Adult Amblyomma sculptum and Amblyomma aureolatum ticks are partially refractory to Rickettsia rickettsii when fed on infected hosts, hindering the functional characterization of potentially protective targets in the bacterial acquisition. In the current
Marcelly Bastos Nassar   +5 more
doaj   +1 more source

RICKETTSIAE (AS ORGANISMS)

open access: yesAnnual Review of Microbiology, 1969
Although most pathogenic rickettsiae are obligate intracellular parasites, it is clear that they are bacteria. As such, form and function in rickettsiae are closely similar to form and function found in their free-living counterparts. This review of rickettsiae as bacteria portrays the broad similarities of rickettsiae and free-living bacteria, as well
openaire   +3 more sources

Immunoproteomic profiling of Rickettsia parkeri and Rickettsia amblyommii

open access: yesTicks and Tick-borne Diseases, 2015
Rickettsia parkeri is an Amblyomma-associated, spotted fever group Rickettsia species that causes an eschar-associated, febrile illness in multiple countries throughout the Western Hemisphere. Many other rickettsial species of known or uncertain pathogenicity have been detected in Amblyomma spp.
Pornwiroon, Walairat   +3 more
openaire   +2 more sources

On Rickettsia Nomenclature

open access: yesEmerging Infectious Diseases, 2008
On Rickettsia ...
Robert F. Massung   +3 more
openaire   +3 more sources

Biology, ecology, and conservation of the Italian hare Lepus corsicanus: a review

open access: yesWildlife Biology, EarlyView.
The Italian hare Lepus corsicanus, an endemic lagomorph of Italy, serves as a critical case study in evolutionary biology and conservation. Once taxonomically debated, modern genetic and morphological analyses confirm its status as a distinct Pleistocene lineage restricted to the central‐southern Italian Peninsula and Sicily.
Pierangelo Freschi, Valter Trocchi
wiley   +1 more source

Viruses and Rickettsiae

open access: yesBrain Pathology, 1997
In this review I shall try to provide a brief, up‐to‐date, account of the neuropathology of those viral and rickettsial diseases that are particularly prevalent in tropical regions. These diseases are not, however, exclusive to the tropics. Some, such as AIDS, are common in temperate regions as well, though others are closer to being exclusively ...
openaire   +3 more sources

Exploring the potential of using male‐killing endosymbionts to induce female‐biased insect populations for enhanced biomass production

open access: yesInsect Science, EarlyView.
Overview of the mindset and long‐term goals with the approach suggested in this study. We provide a first proof of concept that male‐killing endosymbionts can be used to establish female biased populations with higher production efficiency than populations with a 50/50 sex ratio. This biological tool can have marked positive impact on future commercial
Stine F. Laursen   +4 more
wiley   +1 more source

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