RŮŽIČKA, Filip, Veronika HOLÁ, Miroslav VOTAVA and Renata TEJKALOVÁ. Importance of biofilm in Candida parapsilosis and evaluation of its susceptibility to antifungal agents by colorimetric method. Folia Microbiologica. Praha: Institute of Microbiology of AV ČR, 2007, vol. 52, No 3, p. 209-214, 214 pp. ISSN 0015-5632.
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Basic information
Original name Importance of biofilm in Candida parapsilosis and evaluation of its susceptibility to antifungal agents by colorimetric method
Name in Czech Význam biofilmu u Candida parapsilosis a stanovení jeho citlivosti k antimykotikům pomocí kolorimetrické metody
Authors RŮŽIČKA, Filip (203 Czech Republic, guarantor), Veronika HOLÁ (203 Czech Republic), Miroslav VOTAVA (203 Czech Republic) and Renata TEJKALOVÁ (203 Czech Republic).
Edition Folia Microbiologica, Praha, Institute of Microbiology of AV ČR, 2007, 0015-5632.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10600 1.6 Biological sciences
Country of publisher Czech Republic
Confidentiality degree is not subject to a state or trade secret
Impact factor Impact factor: 0.989
RIV identification code RIV/00216224:14110/07:00028192
Organization unit Faculty of Medicine
UT WoS 000247823100002
Keywords (in Czech) Biofilm; Candida parapsilosis; citlivost; antimykotika; kolorimetrické metody
Keywords in English Biofilm; Candida parapsilosis; susceptibility; antifungal agents; colorimetric method
Tags antifungal agents, biofilm, Candida parapsilosis, colorimetric method, susceptibility
Tags International impact, Reviewed
Changed by Changed by: prof. MUDr. Filip Růžička, Ph.D., učo 1100. Changed: 25/6/2009 09:31.
Abstract
The ability of C. parapsilosis, an important cause of nosocomial infections, to produce biofilm was evaluated in 32 bloodstream isolates and 85 strains isolated from skin. The biofilm formation was found in 19 (59.4 %) blood isolates and only in 33 (38.8 %) isolates from skin. The antifungal susceptibility was assessed for amphotericin B, itraconazole and voriconazole in planktonic and biofilm form of the 19 biofilm-positive bloodstream strains by broth microdilution method according to NCCLS standards. The method was modified by the use of resazurin as a colorimetric indicator of the metabolically active cells which makes the determination of the effect of antifungal agents easier. Biofilm form of all tested strains were more resistant than their planktonic form.
Abstract (in Czech)
Schopnost C. parapsilosistvořit biofilm byla hodnocena u 32 izolátů z krevního řečiště a u 85 kmenů izolovaných z kůže. Tvorba biofilmu byla prokázána u 19 (59.4 %) izolátů z krevního řečiště a jen u 33 (38.8 %) izolátů z kůže. Citlivost 19 biofilmpozitivních kmenů k amfotericinu B, itrafonazolu a vorifonazolu byla stanovena pro planktonickou i biofilmovou formu pomocí mikrodiluční metody dle NCCLS standardů. Metodika byla modifikována použitím resazurinu jako kolorimetrického indikátoru metabolicky aktivních buněk. Biofilmové formy všech testovaných kmneů byly výrazně rezistentnější oproti jejich planktonickým formám.
Links
NR7980, research and development projectName: Průkaz biofilmu jako faktoru virulence u kvasinek izolovaných od pacientů s infekcí krevního řečiště
Investor: Ministry of Health of the CR
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