Angela Silva Barbosa
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Explore the profile of Angela Silva Barbosa including associated specialties, affiliations and a list of published articles.
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32
Citations
402
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Recent Articles
1.
Dos Santos Courrol D, Santos C, Chura-Chambi R, Morganti L, Avelar K, de Moraes Maia F, et al.
Mol Microbiol
. 2024 Nov;
122(5):720-729.
PMID: 39484742
Previous in vitro works focusing on virulence determinants of the spirochete Leptospira implicated metalloproteinases as putative contributing factors to the pathogenicity of these bacteria. Those proteins have the capacity to...
2.
Hecktheuer A, Santos C, Ferreira F, Barbosa A, Isaac L, Marques M, et al.
Biometals
. 2024 Sep;
37(6):1677-1698.
PMID: 39305434
Leptospires, as motile Gram-negative bacteria, employ sophisticated strategies for efficient invasion and dissemination within their hosts. In response, hosts counteract pathogens through nutritional immunity, a concept involving the deprivation of...
3.
Lemos T, Silva H, Previato J, Mendonca-Previato L, Freitas E, Barbosa A, et al.
Int J Mol Sci
. 2024 Mar;
25(5).
PMID: 38474124
Enteropathogenic (EPEC) produce a capsule of polysaccharides identical to those composing the O-antigen polysaccharide of its LPS (lipopolysaccharide) molecules. In light of this, the impact of O26 polysaccharides on the...
4.
Prado L, Camara N, Barbosa A
Front Cell Infect Microbiol
. 2023 Oct;
13:1148383.
PMID: 37868347
Lipids are a big family of molecules with a vast number of functions in the cell membranes, within the cytoplasm, and extracellularly. Lipid droplets (LDs) are the most common storage...
5.
Ataides L, de Moraes Maia F, Conte F, Isaac L, Barbosa A, Lima-Junior J, et al.
Vaccines (Basel)
. 2023 Feb;
11(2).
PMID: 36851237
Sphingomyelin is a major constituent of eukaryotic cell membranes, and if degraded by bacteria sphingomyelinases may contribute to the pathogenesis of infection. Among spp., there are five sphingomyelinases exclusively expressed...
6.
Lauretti-Ferreira F, Azevedo Reis Teixeira A, Giordano R, da Silva J, Abreu P, Barbosa A, et al.
Front Microbiol
. 2022 Dec;
13:1051698.
PMID: 36519163
Pathogenic species of are etiologic agents of leptospirosis, an emerging zoonotic disease of worldwide extent and endemic in tropical regions. The growing number of identified leptospiral species sheds light to...
7.
Dos Santos Courrol D, da Silva C, Prado L, Chura-Chambi R, Morganti L, de Souza G, et al.
Front Cell Infect Microbiol
. 2022 Sep;
12:966370.
PMID: 36081769
Extracellular proteolytic enzymes are produced by a variety of pathogenic microorganisms, and contribute to host colonization by modulating virulence. Here, we present a first characterization of leptolysin, a metalloprotease of...
8.
Silva H, Franzolin M, Anjos G, Barbosa A, Santos L, Miranda K, et al.
Pathogens
. 2022 Aug;
11(8).
PMID: 36015015
The serogroup O55 of is composed of strains whose mechanisms of virulence are different from each other. Since the O55 polysaccharides are present in all O55 strains, and so are...
9.
Prado L, Barbosa A
Int J Mol Sci
. 2022 Aug;
23(16).
PMID: 36012772
The authors wish to make the following corrections to this paper [...].
10.
Salazar N, Yamamoto B, Souza M, Silva L, Areas A, Barbosa A
Pathogens
. 2022 Feb;
11(2).
PMID: 35215183
Bacterial acquisition of metals from a host is an essential attribute to facilitate survival and colonization within an infected organism. , a bacterial pathogen of medical importance, has evolved its...