乳酸菌工业重要菌株噬菌体裂解谱的比较分析

IF 0.8 Q3 Engineering
N. P. Sorokina, E. V. Kuraeva, I. V. Kucherenko, Z. B. Namsaraev
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引用次数: 0

摘要

发酵乳制品的细菌发酵剂是专门挑选的乳酸菌联合体。乳球菌噬菌体广泛存在于乳制品中,是抑制乳酸发酵的主要原因。为了选择奶酪发酵剂所需的乳球菌培养物,本研究采用噬菌体敏感型乳球菌菌株对1985年至2016年从俄罗斯欧洲部分各企业分离的25个噬菌体进行分析。基于这项研究,可以得出结论,在俄罗斯欧洲部分的乳制品企业中,噬菌体的溶解谱存在广泛的多样性。尽管噬菌体分离的地理覆盖范围广,时间跨度大,但使用乳球菌试验板时,噬菌体裂解活性的光谱没有发现规律。这项工作的结果表明,需要在广泛的噬菌体面板上对发酵剂进行初步测试,以确定乳酸菌培养物对噬菌体感染的最大抵抗水平。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Comparative Analysis of the Lytic Profiles of Bacteriophages of Industrially Significant Strains of Lactic Acid Bacteria

Comparative Analysis of the Lytic Profiles of Bacteriophages of Industrially Significant Strains of Lactic Acid Bacteria

Bacterial starters for fermented dairy products are specially selected consortia of lactic acid bacteria. Lactococcus bacteriophages are widespread in dairies and are the main cause of the inhibition of lactic acid fermentation. To select lactococcal cultures for cheese starters, a group of 25 bacteriophages isolated from various enterprises in the European part of Russia in the period from 1985 to 2016 was formed and their lytic spectrum was analyzed using phage-sensitive lactococcal strains. Based on the study, it can be concluded that there is a wide diversity of lytic profiles of bacteriophages at dairy enterprises in the European part of Russia. Despite the wide geographical coverage and wide time period of bacteriophage isolation, no regularities in the spectra of the bacteriophage lytic activity are revealed when using the lactococcal test panel. The results of the work demonstrate the need for the preliminary testing of starter cultures on a wide panel of bacteriophages to identify cultures of lactic acid bacteria with the maximum level of resistance to infection by bacteriophages.

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来源期刊
Nanotechnologies in Russia
Nanotechnologies in Russia NANOSCIENCE & NANOTECHNOLOGY-
CiteScore
1.20
自引率
0.00%
发文量
0
期刊介绍: Nanobiotechnology Reports publishes interdisciplinary research articles on fundamental aspects of the structure and properties of nanoscale objects and nanomaterials, polymeric and bioorganic molecules, and supramolecular and biohybrid complexes, as well as articles that discuss technologies for their preparation and processing, and practical implementation of products, devices, and nature-like systems based on them. The journal publishes original articles and reviews that meet the highest scientific quality standards in the following areas of science and technology studies: self-organizing structures and nanoassemblies; nanostructures, including nanotubes; functional and structural nanomaterials; polymeric, bioorganic, and hybrid nanomaterials; devices and products based on nanomaterials and nanotechnology; nanobiology and genetics, and omics technologies; nanobiomedicine and nanopharmaceutics; nanoelectronics and neuromorphic computing systems; neurocognitive systems and technologies; nanophotonics; natural science methods in a study of cultural heritage items; metrology, standardization, and monitoring in nanotechnology.
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