Lysogenic Conversion and Phage Resistance Development in Phage Exposed Escherichia coli Biofilms

被引:20
|
作者
Moons, Pieter [1 ]
Faster, David [1 ]
Aertsen, Abram [1 ]
机构
[1] Katholieke Univ Leuven, Fac Biosci Engn, Food Microbiol Lab, Dept Microbial & Mol Syst M2S, B-3001 Louvain, Belgium
来源
VIRUSES-BASEL | 2013年 / 5卷 / 01期
关键词
Escherichia coli; biofilm; lysogenic conversion; resistance development; Shiga toxin; phage; TOXIN-ENCODING BACTERIOPHAGES; IN-VIVO TRANSDUCTION; SHIGA-TOXIN; BACTERIAL BIOFILMS; ANTIBIOTIC-RESISTANCE; COMPARATIVE GENOMICS; PROTEUS-MIRABILIS; INFECTIONS; EVOLUTION; PREVENTION;
D O I
10.3390/v5010150
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
In this study, three-day old mature biofilms of Escherichia coli were exposed once to either a temperate Shiga-toxin encoding phage (H-19B) or an obligatory lytic phage (T7), after which further dynamics in the biofilm were monitored. As such, it was found that a single dose of H-19B could rapidly lead to a near complete lysogenization of the biofilm, with a subsequent continuous release of infectious H-19B particles. On the other hand, a single dose of T7 rapidly led to resistance development in the biofilm population. Together, our data indicates a profound impact of phages on the dynamics within structured bacterial populations.
引用
收藏
页码:150 / 161
页数:12
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