Impact of exopolysaccharide production on functional properties of some Lactobacillus salivarius strains

被引：14
作者：
Mercan, Emin [1 ]
Ispirli, Humeyra [1 ]
Sert, Durmus [2 ]
Yilmaz, Mustafa Tahsin [3 ]
Dertli, Enes [1 ]
机构：
[1] Bayburt Univ, Fac Engn, Dept Food Engn, TR-69000 Bayburt, Turkey
[2] Necmettin Erbakan Univ, Fac Engn, Dept Food Engn, Konya, Turkey
[3] Yildiz Tekn Univ, Fac Engn, Dept Food Engn, Istanbul, Turkey
来源：
ARCHIVES OF MICROBIOLOGY | 2015年 / 197卷 / 09期
关键词：
Lactobacillus salivarius; Exopolysaccharides (EPS); Functional properties; LACTIC-ACID BACTERIA; RHAMNOSUS GG; PROBIOTIC PROPERTIES; BIOFILM FORMATION; JOHNSONII FI9785; BROILER CHICKEN; DAIRY-PRODUCTS; ADHESION; COLONIZATION; PURIFICATION;
D O I：
10.1007/s00203-015-1141-0
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
The aim of this work was to characterize functional properties of Lactobacillus salivarius strains isolated from chicken feces. Detection of genes responsible for exopolysaccharide (EPS) production revealed that all strains harbored a dextransucrase gene, but p-gtf gene was only detected in strain E4. Analysis of EPS production levels showed significant alterations among strains tested. Biofilm formation was found to be medium composition dependant, and there was a negative correlation with biofilm formation and EPS production. Autoaggregation properties and coaggregation of L. salivarius strains with chicken pathogens were appeared to be specific at strain level. An increment in bacterial adhesion to chicken gut explants was observed in L. salivarius strains with the reduction in EPS production levels. This study showed that strain-specific properties can determine the functional properties of L. salivarius strains, and the interference of these properties might be crucial for final selection of these strains for technological purposes.
引用
收藏
页码：1041 / 1049
页数：9
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