Providencia Alcalifaciens
Mostrando 1-12 de 19 artigos, teses e dissertações.
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1. Determinação da presença de coliformes termotolerantes em águas de coco produzidas e envasadas no Nordeste brasileiro
Resumo A água de coco é considerada uma bebida natural isotônica e sua comercialização tem aumentado gradualmente. O objetivo do presente estudo foi avaliar a qualidade microbiológica da água de coco produzida e engarrafada na Região Nordeste do Brasil. Produtos de dez indústrias de diferentes estados foram analisados. Para a quantificação de coli
Braz. J. Food Technol.. Publicado em: 23/10/2017
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2. Detecção de Enterobacteriaceae e Chlamydophila spp. em psitacídeos provenientes do centro de triagem de animais selvagens de Goiás / Detection of Enterobacteriaceae and Chlamydophila spp. in parrots from the distribution center of the Goiás Wildlife
O tráfico de animais silvestres é a terceira maior atividade ilegal do mundo, estando apenas atrás do tráfico de armas e de drogas. As aves são os animais mais atingidos pelo comércio ilegal. Além de prejudicial à biodiversidade, o tráfico também pode implicar riscos à saúde humana. Uma série de doenças podem ser transmitidas e adquiridas pelas
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 26/02/2010
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3. AnÃlise das regiÃes espaÃadoras intergÃnicas do rRNA 16S-23S em diferentes gÃneros bacterianos
Bacterial ribosomes carry three types of rRNA: 23S, 16S and 5S encoded in genes organized in operons separated by intergenic spacer regions (ISRs) containing one or more tRNA genes. The genetic information derived from the rRNA operon provides a valuable taxonomic information, since the ISRs, especially those located between the 16S and 23S regions of the rD
Publicado em: 2002
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4. O-serotyping Providencia alcalifaciens.
The O-serotyping scheme for Providencia was tested on Providencia alcalifaciens isolates collected mostly from two hospitals. The specificites of the somatic (O) antigens of P. alcalifaciens were found to be different from those of Providencia stuartii, and separation of the Providencia typing scheme to allow separate typing of each species led to more effic
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5. Providencia rustigianii: a new species in the family Enterobacteriaceae formerly known as Providencia alcalifaciens biogroup 3.
The name Providencia rustigianii sp. nov. is proposed for a group of organisms previously known as Providencia alcalifaciens biogroup 3. By DNA hybridization, strains of P. rustigianii were 81 to 99% related to each other at 60 degrees C, but only 44 to 49% related to P. alcalifaciens biogroups 1 and 2 and 26 to 33% related to Providencia stuartii. P. rustig
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6. Association of Providencia alcalifaciens with Diarrhea in Children
It has been demonstrated in previous studies that Providencia alcalifaciens can produce diarrhea by an invasive mechanism. In the present study, P. alcalifaciens was isolated from the stool specimens of 17 of 814 diarrheal children younger than 5 years of age (2.1%) and from those of 4 of 814 matched controls (0.49%) (P = 0.004), indicating that the organism
American Society for Microbiology.
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7. Usefulness of trehalose fermentation and L-glutamic acid decarboxylation for identification of biochemically aberrant Providencia stuartii strains.
A total of 849 Providencia isolates were collected during a 4-year period when an increased incidence of nosocomial Providencia stuartii infection was noted in urologic wards. Of these isolates, 630 were identified as P. stuartii, 206 were identified as Providencia rettgeri, and 1 was identified as Providencia alcalifaciens. Twelve inositol-positive isolates
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8. Identification of porins in outer membrane of Proteus, Morganella, and Providencia spp. and their role in outer membrane permeation of beta-lactams.
Proteus mirabilis, Proteus vulgaris, Morganella morganii, Providencia rettgeri, and Providencia alcalifaciens, which were once classified into the same genus, Proteus, were studied. Cefoxitin-resistant mutants from these species were isolated, and it was confirmed that the resistance was attributed to the lack of an outer membrane protein, resulting in a sig
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9. O serotyping of Providencia stuartii isolates collected from twelve hospitals.
A collection of 829 isolates of Providencia stuartii, mostly from urological specimens of patients in 12 hospitals, were O serotyped. Hospitals varied in serotype distribution, but most isolates (97%) fell into one or another of 14 O types of P. stuartii. One type (O63) was found in 10 hospitals, and six types (O4, O17, O25, O52, O55, O56) were found in 5 or
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10. Pathogenesis of Providencia alcalifaciens-induced diarrhea.
Providencia alcalifaciens is a member of the family Enterobacteriaceae. There are reports that P. alcalifaciens can cause diarrhea, but the mechanism(s) by which it causes diarrhea is known. We studied P. alcalifaciens isolated from a child and two adults with diarrhea for enteropathogenicity. The three isolates did not exhibit any characteristic adherence t
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11. Comparative in vitro activity of semisynthetic penicillins against Proteeae.
The in vitro susceptibilities of 181 isolates of precisely identified Proteeae species to five semisynthetic penicillins were determined with low and high inocula. Significant differences in susceptibility patterns among various Proteeae species to the penicillins examined were demonstrated. Providencia stuartii was clearly distinguished from Providencia alc
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12. Molecular Characterization of the Genera Proteus, Morganella, and Providencia by Ribotyping
The so-called Proteus-Providencia group is constituted at present by three genera and 10 species. Several of the recognized species are common opportunistic pathogens for humans and animals. Different methods based on the study of phenotypic characters have been used in the past with variable levels of efficiency for typing some species for epidemiological p
American Society for Microbiology.