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[比较两种方法的念珠菌属疏水特性]

[Hydrophobic properties of Candida sp. comparing the two methods].

作者信息

Ciok-Pater Emilia, Gospodarek Eugenia, Prazyńska Małgorzata

机构信息

Katedra i Zakład Mikrobiologii Collegium Medicum im. L. Rydygiera w Bydgoszczy Uniwersytet Mikołaja Kopernika w Toruniu.

出版信息

Med Dosw Mikrobiol. 2008;60(3):243-51.

Abstract

Yeast-like fungi Candida albicans are still the main pathogen of candidiasis although in recent years the growth of infections caused by Candida non-albicans species such as C. glabrata, C. parapsilosis, C. tropicalis have been observed. The aim of the study was the assessment ofhydrophobic properties of Candida sp. on the basis of methods: salt aggregation test (SAT) and to p-xylene (MATH). 150 strains of Candida sp. were examined: 85 (56.7%) C. albicans and 65 (43.3%) C. non-albicans among which there were 14 (9.3%) strains of C. tropicalis, 13 (8.7%) of C. glabrata, 12 (8.0%) of C. parapsilosis, 8 (5.3%) strains of C. krusei and C. lusitaniae, 6 (4.0%) strains of C. famata, 2 strains of C. glabrata and 1 strains of C. kefyr and C. lipolytica. The assessment of hydrophobic properties was done in MATH method the higher percentage (38.7-53.3%) of the strains with hydrophobic properties was found in comparison with the method SAT--23.3-37.3%. Hydrophobic properties were more often observed in case of C. non-albicans strains than C. albicans depending on growth temperature.

摘要

酵母样真菌白色念珠菌仍然是念珠菌病的主要病原体,尽管近年来已观察到由非白色念珠菌物种如光滑念珠菌、近平滑念珠菌、热带念珠菌引起的感染有所增加。本研究的目的是基于盐聚集试验(SAT)和对二甲苯(MATH)方法评估念珠菌属的疏水特性。对150株念珠菌属菌株进行了检测:85株(56.7%)白色念珠菌和65株(43.3%)非白色念珠菌,其中热带念珠菌14株(9.3%)、光滑念珠菌13株(8.7%)、近平滑念珠菌12株(8.0%)、克柔念珠菌和葡萄牙念珠菌8株(5.3%)、季也蒙念珠菌6株(4.0%)、光滑念珠菌2株、解脂念珠菌和凯弗念珠菌各1株。采用MATH方法对疏水特性进行评估,发现具有疏水特性的菌株比例(38.7 - 53.3%)高于SAT方法(23.3 - 37.3%)。根据生长温度,非白色念珠菌菌株比白色念珠菌菌株更常表现出疏水特性。

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