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Molecular epidemiology of virulent Rhodococcus equi from foals in Brazil: virulence plasmids of 85-kb type I, 87-kb type I, and a new variant, 87-kb type III
(Elsevier B.V., 2005-01-01)
We investigated the prevalence of virulent Rhodococcus equi in clinical isolates from 41 foals (19 sporadic and seven endemic cases) in Brazil between 1991 and 2003. of the 41 virulent isolates, six contained an 85-kb type ...
Impact of resistance to fluconazole on virulence and morphological aspects of Cryptococcus neoformans and Cryptococcus gattii isolates
(2016-02-16)
Cryptococcus sp. are responsible for around 1 million cases of meningitis every year. Fluconazole (FLU) is commonly used in the treatment of cryptococcosis, mainly in immunocompromised patients and the resistance is usually ...
Evaluation of DNA polymorphisms amplified by arbitrary primers (RAPD) as genetically associated elements to differentiate virulent and non-virulent Paracoccidioides brasiliensis isolates
(2002-07-12)
Randomly amplified polymorphic DNA (RAPD) analysis of 35 Paracoccidioides brasiliensis isolates was carried out to evaluate the correlation of RAPD profiles with the virulence degree or the type of the clinical manifestations ...
Can passage in Galleria mellonella activate virulence factors of Paracoccidioides brasiliensis as in the murine model?
(2018-01-01)
Paracoccidioidomycosis (PCM) is a fungal disease restricted to Latin countries, and its etiologic agents derive from the Paracoccidioides genus. Attenuation or loss of virulence in Paracoccidioidesspp. following successive ...
Paracoccidioides brasiliensis 14-3-3 protein is important for virulence in a murine model
(2019-10-01)
The Paracoccidioides brasiliensis strain downregulated the expression of adhesin Pb14-3-3 (Pb14-3-3 aRNA) was evaluated in a murine model of paracoccidioidomycosis (PCM). Pb14-3-3 aRNA displays attenuated virulence and ...
Shiga toxin-producing Escherichia coli: Factors involved in virulence and cattle colonization
(Taylor & Francis, 2013-07)
Shiga toxin-producing Escherichia coli (STEC) cause hemorrhagic colitis (HC) and hemolytic uremic syndrome (HUS) in humans. Outbreaks are linked to bovine food sources. STEC O157:H7 has been responsible for the most severe ...
Photodynamic inactivation of virulence factors of Candida strains isolated from patients with denture stomatitis
(Elsevier B. V., 2015-09-01)
Candida species are major microorganisms isolated in denture stomatitis (DS), an inflammatory process of the mucosa underlying removable dental prostheses, and express a variety of virulence factors that can increase their ...
Inactive trans-sialidase expression in iTS-null Trypanosoma cruzi generates virulent trypomastigotes
(Frontiers Media S.A., 2017-10)
Disclosing virulence factors from pathogens is required to better understand the pathogenic mechanisms involved in their interaction with the host. In the case of Trypanosoma cruzi several molecules are associated with ...
A modern view of the evolution of virulence
(Revista De Saude PublicaSao PauloBrasil, 1995)
Niche-specific association of Aeromonas ribotypes from human and environmental origin
(2003-01-30)
A total of 88 Aeromonas isolates from distinct locations and sources (39 from extraintestinal infections, 31 from diarrhoeic, ten from non-diarrhoeic faeces, all human, and eight from fresh water) were subjected to ...