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Periodontal disease as reservoir for multi-resistant and hydrolytic enterobacterial species

Gonçalves, M.O ; Coutinho-Filho, W.P ; Pimenta, F.P ; Pereira, G.A ; Pereira, J.A.A ; Mattos-Guaraldi, A.L ; Hirata, R. Jr

Letters in applied microbiology, 2007-05, Vol.44 (5), p.488-494 [Periódico revisado por pares]

Oxford, UK: Oxford, UK : Blackwell Publishing Ltd

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Título:
Periodontal disease as reservoir for multi-resistant and hydrolytic enterobacterial species
Autor: Gonçalves, M.O ; Coutinho-Filho, W.P ; Pimenta, F.P ; Pereira, G.A ; Pereira, J.A.A ; Mattos-Guaraldi, A.L ; Hirata, R. Jr
Assuntos: Adult ; Anti-Bacterial Agents - pharmacology ; Biological and medical sciences ; Brazil ; Citrobacter freundii ; Drug Resistance, Bacterial ; enteric rods ; Enterobacter aerogenes ; Enterobacter cloacae ; Enterobacteriaceae ; Enterobacteriaceae - drug effects ; Enterobacteriaceae - enzymology ; Enterobacteriaceae - isolation & purification ; Enterobacteriaceae - pathogenicity ; Female ; Fundamental and applied biological sciences. Psychology ; Humans ; Hydrolases - metabolism ; hydrolytic enzymes ; Klebsiella pneumoniae ; Male ; Microbiology ; Middle Aged ; Pantoea agglomerans ; periodontal diseases ; Periodontal Diseases - microbiology ; Phenotype ; resistance to antimicrobial agents ; Serratia marcescens ; Sex Characteristics ; virulence ; virulence factors
É parte de: Letters in applied microbiology, 2007-05, Vol.44 (5), p.488-494
Notas: http://dx.doi.org/10.1111/j.1472-765X.2007.02111.x
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SourceType-Scholarly Journals-1
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Descrição: This investigation aimed to isolate enteric rods from subgingival sites of patients presenting chronic periodontitis lesions, and to assess antimicrobial resistance and expression of hydrolytic enzymes. Enterobacteriaceae were isolated from 20% patients, and assayed for antimicrobial susceptibility and hydrolytic enzymes with specificity to different substrates. Isolates comprised seven Enterobacter cloacae (43·75%), five Serratia marcescens (31·25%), one Klebsiella pneumoniae (6·25%), one Enterobacter aerogenes (6·25%), one Pantoea agglomerans (6·25%), and one Citrobacter freundii (6·25%). Gelatinase activity was observed for 75% strains; caseinase and elastase was produced by six and two strains, respectively. DNase, lecithinase and lipase were expressed by S. marcescens. Most of strains were resistant to ampicillin (93·75%) and amoxicillin/clavulanic acid (81·25%). The majority of strains were susceptible to cephalosporins and aztreonam. Enterobacteria remained susceptible to imipenem, streptomycin and fluoroquinolones. Resistance to gentamicin, amikacin, sulfamethoxazole/thrimethoprim, tetracycline, and chloramphenicol were also observed. Eight strains presented multiple drug resistance. Subgingival sites from periodontal diseases contain multi-resistant and hydrolytic enzyme-producing enterobacteria that may contribute to overall tissue destruction and spreading. Enterobacteria isolated from patients generally considered as healthy individuals poses periodontal diseases as reservoir for systemic infections particularly in immunocompromised and hospitalized hosts.
Editor: Oxford, UK: Oxford, UK : Blackwell Publishing Ltd
Idioma: Inglês

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Periodontal disease as reservoir for multi-resistant and hydrolytic enterobacterial species

Gonçalves, M.O ; Coutinho-Filho, W.P ; Pimenta, F.P ; Pereira, G.A ; Pereira, J.A.A ; Mattos-Guaraldi, A.L ; Hirata, R. Jr

Oxford, UK: Oxford, UK : Blackwell Publishing Ltd

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