Genomics of tailless bacteriophages in a complex lactic acid bacteria starter culture

被引：7

作者：

Alexeeva, Svetlana ^{[1
]}

Liu, Yue ^{[1
]}

Zhu, Jingjie ^{[1
,3
]}

Kaczorowska, Joanna ^{[1
,4
]}

Kouwen, Thijs R. H. M. ^{[2
,5
]}

Abee, Tjakko ^{[1
]}

Smid, Eddy J. ^{[1
]}

机构：

[1] Wageningen Univ & Res, Food Microbiol, Wageningen, Netherlands

[2] DSM Biotechnol Ctr, Delft, Netherlands

[3] NYU, Sch Med, Dept Pathol, New York, NY 10016 USA

[4] Univ Amsterdam, Dept Med Microbiol, Lab Expt Virol, Amsterdam UMC, Meibergdreef 9, Amsterdam, Netherlands

[5] FrieslandCampina Lab & Qual Serv LQS, Leeuwarden, Netherlands

来源：

INTERNATIONAL DAIRY JOURNAL | 2021年 / 114卷

关键词：

SEQUENCE-ANALYSIS; PHAGE-RESISTANCE; STRUCTURAL GENES; TEMPERATE; PROPHAGES; IDENTIFICATION; DIVERSITY; EVOLUTION; DNA; RESTRICTION;

D O I：

10.1016/j.idairyj.2020.104900

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

Our previous study on a model microbial community originating from an artisanal cheese fermentation starter revealed that bacteriophages not only co-exist with bacteria but also are highly abundant. Here we describe the genomic content of phage particles released by 6 different strains in the starter culture. The identified prophages belong to three different subgroups of the Siphoviridae P335 phage group. Remarkably, most analysed prophages show disruptions in different tail encoding genes, explaining the common tailless phenotype. Furthermore, a number of potentially beneficial features for the host carried by prophages were identified. The prophages carry up to 3 different phage defence systems per genome that are potentially functional in protecting the host from foreign phage infection. We suggest that the presumably defective prophages are a result of bacteria-phage coevolution and could convey advantages to host bacteria. (C) 2020 The Authors. Published by Elsevier Ltd.

引用

页数：9

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