Evidence map›Paper›PMID 30905285›Full record

ArticlePhilosophical transactions of the Royal Society of London. Series B, Biological sciences2019

CRISPR-Cas immunity leads to a coevolutionary arms race between Streptococcus thermophilus and lytic phage.

Jack Common, Daniel Morley, Edze R Westra, Stineke van Houte

Open access · greenAbstract read
In one paragraph

Article in Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
3.2field-weighted citation impact, top 7% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

24 citing papers in PubMed, 56 citations in OpenAlex.

  1. Review
  2. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 1 institution in 1 country.

Jack CommonESI and CEC, Biosciences, University of Exeter , Cornwall Campus, Penryn TR10 9EZ , UK.
Daniel MorleyESI and CEC, Biosciences, University of Exeter , Cornwall Campus, Penryn TR10 9EZ , UK.
Edze R WestraESI and CEC, Biosciences, University of Exeter , Cornwall Campus, Penryn TR10 9EZ , UK.
Stineke van HouteESI and CEC, Biosciences, University of Exeter , Cornwall Campus, Penryn TR10 9EZ , UK.
University of Exeter · GB

Funding

Biotechnology and Biological Sciences Research Council BB/J014400/1Biotechnology and Biological Sciences Research Council BB/M009122/1Biotechnology and Biological Sciences Research Council BB/N017412/1Biotechnology and Biological Sciences Research Council BB/R010781/1
6 · The paper itself

Abstract

CRISPR-Cas is an adaptive prokaryotic immune system that prevents phage infection. By incorporating phage-derived 'spacer' sequences into CRISPR loci on the host genome, future infections from the same phage genotype can be recognized and the phage genome cleaved. However, the phage can escape CRISPR degradation by mutating the sequence targeted by the spacer, allowing them to re-infect previously CRISPR-immune hosts, and theoretically leading to coevolution. Previous studies have shown that phage can persist over long periods in populations of Streptococcus thermophilus that can acquire CRISPR-Cas immunity, but it has remained less clear whether this coexistence was owing to coevolution, and if so, what type of coevolutionary dynamics were involved. In this study, we performed highly replicated serial transfer experiments over 30 days with S. thermophilus and a lytic phage. Using a combination of phenotypic and genotypic data, we show that CRISPR-mediated resistance and phage infectivity coevolved over time following an arms race dynamic, and that asymmetry between phage infectivity and host resistance within this system eventually causes phage extinction. This work provides further insight into the way CRISPR-Cas systems shape the population and coevolutionary dynamics of bacteria-phage interactions. This article is part of a discussion meeting issue 'The ecology and evolution of prokaryotic CRISPR-Cas adaptive immune systems'.

Indexed as

Evolution, MolecularAdaptive ImmunityBacteriophagesCRISPR-Cas SystemsStreptococcus thermophilusarms raceCRISPR-Cashost–parasite coevolutionphageStreptococcus thermophilus

Identifiers

PMID30905285
PMCPMC6452269
OpenAlexW2924484945

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.