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乳酸菌和米酒酵母的混合菌群生物膜形成

Mixed-species biofilm formation by lactic acid bacteria and rice wine yeasts.

作者信息

Kawarai Taketo, Furukawa Soichi, Ogihara Hirokazu, Yamasaki Makari

机构信息

Department of Food Science and Technology, College of Bioresource Sciences, Nihon University, 6F, Ichigaya Tokyu Building, 4-2-1 Kudan-kita, Chiyoda-ku, Tokyo 102-0073, Japan.

出版信息

Appl Environ Microbiol. 2007 Jul;73(14):4673-6. doi: 10.1128/AEM.02891-06. Epub 2007 May 25.

Abstract

We found that species combinations such as Lactobacillus casei subsp. rhamnosus IFO3831 and Saccharomyces cerevisiae Kyokai-10 can form a mixed-species biofilm in coculture. Moreover, the Kyokai-10 yeast strain can form a biofilm in monoculture in the presence of conditioned medium (CM) from L. casei IFO3831. The active substance(s) in bacterial CM is heat sensitive and has a molecular mass of between 3 and 5 kDa. In biofilms from cocultures or CM monocultures, yeast cells had a distinct morphology, with many hill-like protrusions on the cell surface.

摘要

我们发现,诸如干酪乳杆菌鼠李糖亚种IFO3831和酿酒酵母京阪-10等物种组合在共培养时可形成混合物种生物膜。此外,在来自干酪乳杆菌IFO3831的条件培养基(CM)存在的情况下,京阪-10酵母菌株可在单培养中形成生物膜。细菌CM中的活性物质对热敏感,分子量在3至5 kDa之间。在共培养或CM单培养形成的生物膜中,酵母细胞具有独特的形态,细胞表面有许多丘状突起。

相似文献

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Mixed-species biofilm formation by lactic acid bacteria and rice wine yeasts.乳酸菌和米酒酵母的混合菌群生物膜形成
Appl Environ Microbiol. 2007 Jul;73(14):4673-6. doi: 10.1128/AEM.02891-06. Epub 2007 May 25.

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