Production and chemical characterization of an exopolysaccharide synthesized by psychrophilic yeast strain Sporobolomyces salmonicolor AL1 isolated from Livingston Island, Antarctica

被引：32
|
作者：
Poli, A. [1 ]
Anzelmo, G. [1 ]
Tommonaro, G. [1 ]
Pavlova, K. [2 ]
Casaburi, A. [1 ]
Nicolaus, B. [1 ]
机构：
[1] CNR, Inst Biomol Chem, I-80078 Pozzuoli, Italy
[2] Bulgarian Acad Sci, Inst Microbiol, Dept Microbial Biosynth & Biotechnol, Plovdiv 4002, Bulgaria
来源：
FOLIA MICROBIOLOGICA | 2010年 / 55卷 / 06期
关键词：
EXTRACELLULAR PRODUCT; CANDIDA-UTILIS; GLUCOMANNAN; POLYSACCHARIDES;
D O I：
10.1007/s12223-010-0092-8
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
The exopolysaccharide (EPS) production by psychrophilic Antarctic yeast Sporobolomyces salmonicolor AL(1) reached the maximum yield in medium containing sucrose (50 g/L) and diammonium sulfate (2.5 g/L) after a 5-d fermentation (5.64 g/L) at 22 A degrees C, the dynamic viscosity of the culture broth reaching (after 5 d) 15.4 mPa s. EPS showed a mannan-like structure and high molar mass, and did not affect cellular viability and proliferation of murine macrophages. It exhibited also a protective effect against the toxic activity of Avarol.
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收藏
页码：576 / 581
页数：6
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