Amphotericin B resistance leads to enhanced proteinase and phospholipase activity and reduced germ tube formation in Candida albicans

被引:26
作者
Kumar, Rohitashw [1 ]
Shukla, P. K. [1 ]
机构
[1] CSIR, Cent Drug Res Inst, Div Fermentat Technol, Med Mycol Lab, Lucknow 226001, Uttar Pradesh, India
关键词
Amphotericin B; Antifungal resistance; Candida albicans; Virulence factors; ANTIFUNGAL ACTIVITY; FLUCONAZOLE RESISTANCE; IN-VITRO; POLYENE; YEASTS; GROWTH; GENES; ASSAY;
D O I
10.1016/j.funbio.2009.12.003
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Resistance to amphotericin B is an emerging phenomenon in Candida albicans. Amphotericin B-resistant strain of C. albicans was developed under laboratory conditions and the stability of acquired resistance was confirmed in vitro as well as in vivo. This AMB-resistant strain exhibited reduced germ tube formation as compared to parent strain of C. albicans (ATCC10231). Enzymatic activity of virulence factors like secreted aspartyl proteinase and phospholipase were found to be significantly high in AMB-R as compared to parent strain whereas ergosterol content of AMB-R was drastically reduced. The behavior of AMB-R strain is an interesting phenomenon and opens up a wide area of research regarding pathways and mechanisms. (C) 2009 The British Mycological Society. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:189 / 197
页数:9
相关论文
共 30 条
[1]   A RAPID COLORIMETRIC ASSAY FOR DETERMINATION OF LEUKOCYTE-MEDIATED INHIBITION OF MYCELIAL GROWTH OF CANDIDA-ALBICANS [J].
ABE, S ;
SATOH, T ;
TOKUDA, Y ;
TANSHO, S ;
YAMAGUCHI, H .
MICROBIOLOGY AND IMMUNOLOGY, 1994, 38 (05) :385-388
[2]   Evolution of antifungal-drug resistance: Mechanisms and pathogen fitness [J].
Anderson, JB .
NATURE REVIEWS MICROBIOLOGY, 2005, 3 (07) :547-556
[3]  
[Anonymous], 2002, P NAT COMM CLIN LAB
[4]   Quantitation of ergosterol content:: Novel method for determination of fluconazole susceptibility of Candida albicans [J].
Arthington-Skaggs, BA ;
Jradi, H ;
Desai, T ;
Morrison, CJ .
JOURNAL OF CLINICAL MICROBIOLOGY, 1999, 37 (10) :3332-3337
[5]   Genome-wide expression profiling reveals genes associated with amphotericin B and fluconazole resistance in experimentally induced antifungal resistant isolates of Candida albicans [J].
Barker, KS ;
Crisp, S ;
Wiederhold, N ;
Lewis, RE ;
Bareither, B ;
Eckstein, J ;
Barbuch, R ;
Bard, M ;
Rogers, PD .
JOURNAL OF ANTIMICROBIAL CHEMOTHERAPY, 2004, 54 (02) :376-385
[6]   Sensitive assay for antifungal activity of glucan synthase inhibitors that uses germ tube formation in Candida albicans as an end point [J].
Brayman, TG ;
Wilks, JW .
ANTIMICROBIAL AGENTS AND CHEMOTHERAPY, 2003, 47 (10) :3305-3310
[7]  
Cannon R D, 1998, Nihon Ishinkin Gakkai Zasshi, V39, P73
[8]   Antifungal resistance in non-albicans Candida species [J].
Collin, B ;
Clancy, CJ ;
Nguyen, MH .
DRUG RESISTANCE UPDATES, 1999, 2 (01) :9-14
[9]   Effects of Antifungal Agents in Sap Activity of Candida albicans Isolates [J].
Costa, Carolina Rodrigues ;
Amorim Jesuino, Rosalia Santos ;
Lemos, Janine de Aquino ;
Lisboa Fernandes, Orionalda de Fatima ;
Hasimoto e Souza, Lucia Kioko ;
Passos, Xisto Sena ;
Rodrigues Silva, Maria do Rosario .
MYCOPATHOLOGIA, 2010, 169 (02) :91-98
[10]  
CRANDALL M, 1987, J GEN MICROBIOL, V133, P2817