Ecological and Evolutionary Benefits of Temperate Phage: What Does or Doesn't Kill You Makes You Stronger

Infection by a temperate phage can lead to death of the bacterial cell, but sometimes these phages integrate into the bacterial chromosome, offering the potential for a more long‐lasting relationship to be established. Here we define three major ecological and evolutionary benefits of temperate phag...

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Vydáno v:	BioEssays Ročník 39; číslo 12
Hlavní autoři:	Harrison, Ellie, Brockhurst, Michael A.
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	United States Wiley Subscription Services, Inc 01.12.2017
Témata:	Bacteria Bacteria - genetics Bacteria - growth & development Bacteria - virology bacteriophages Bacteriophages - genetics Bacteriophages - growth & development Biological Coevolution Biological evolution Cell death chromosomes Chromosomes, Bacterial - chemistry Ecosystem Evolution experimental evolution Gene transfer Gene Transfer, Horizontal Genetic diversity Genetic Variation horizontal gene transfer Innovations lysogenic conversion microbial ecology Mutagenesis, Insertional Phages prophage Symbiosis - genetics temperate phage transduction experimental evolution prophage transduction temperate phage lysogenic conversion microbial ecology horizontal gene transfer
ISSN:	0265-9247, 1521-1878, 1521-1878
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Shrnutí:	Infection by a temperate phage can lead to death of the bacterial cell, but sometimes these phages integrate into the bacterial chromosome, offering the potential for a more long‐lasting relationship to be established. Here we define three major ecological and evolutionary benefits of temperate phage for bacteria: as agents of horizontal gene transfer (HGT), as sources of genetic variation for evolutionary innovation, and as weapons of bacterial competition. We suggest that a coevolutionary perspective is required to understand the roles of temperate phages in bacterial populations. The dual personality of temperate phages – as infectious lytic phages or prophages integrated within the bacterial genome – creates a complex interaction with bacterial hosts. Although potentially lethal, prophages confer a multitude of benefits for the host, suggesting the potential for both conflict and collaboration which must be viewed from a coevolutionary perspective that considers both host and phage fitness interests.
Bibliografie:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 14 ObjectType-Review-3 content type line 23
ISSN:	0265-9247 1521-1878 1521-1878
DOI:	10.1002/bies.201700112