Natural diversity of CRISPR spacers of Thermus: Evidence of local spacer acquisition and global spacer exchange

Anna Lopatina, Sofia Medvedeva, Daria Artamonova, Matvey Kolesnik, Vasily Sitnik, Yaroslav Ispolatov, Konstantin Severinov

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We investigated the diversity of CRISPR spacers of Thermus communities from two locations in Italy, two in Chile and one location in Russia. Among the five sampling sites, a total of more than 7200 unique spacers belonging to different CRISPR-Cas systems types and subtypes were identified. Most of these spacers are not found in CRISPR arrays of sequenced Thermus strains. Comparison of spacer sets revealed that samples within the same area (separated by few to hundreds of metres) have similar spacer sets, which appear to be largely stable at least over the course of several years. While at further distances (hundreds of kilometres and more) the similarity of spacer sets is decreased, there are still multiple common spacers in Thermus communities from different continents. The common spacers can be reconstructed in identical or similar CRISPR arrays, excluding their independent appearance and suggesting an extensive migration of thermophilic bacteria over long distances. Several new Thermus phages were isolated in the sampling sites. Mapping of spacers to bacteriophage sequences revealed examples of local acquisition of spacers from some phages and distinct patterns of targeting of phage genomes by different CRISPR-Cas systems. This article is part of a discussion meeting issue 'The ecology and evolution of prokaryotic CRISPR-Cas adaptive immune systems'.

Original languageEnglish (US)
Article number20180092
JournalPhilosophical Transactions of the Royal Society B: Biological Sciences
Volume374
Issue number1772
DOIs
StatePublished - May 13 2019

Fingerprint

Clustered Regularly Interspaced Short Palindromic Repeats
Thermus
bacteriophages
Bacteriophages
CRISPR-Cas Systems
thermophilic bacteria
Chile
Russia
Ecology
sampling
Italy
Sampling
Immune System
Immune system
Genome
Bacteria
ecology
genome
Genes

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Keywords

  • CRISPR
  • Diversity of spacers
  • Thermus
  • Thermus phages

Cite this

Lopatina, Anna ; Medvedeva, Sofia ; Artamonova, Daria ; Kolesnik, Matvey ; Sitnik, Vasily ; Ispolatov, Yaroslav ; Severinov, Konstantin. / Natural diversity of CRISPR spacers of Thermus : Evidence of local spacer acquisition and global spacer exchange. In: Philosophical Transactions of the Royal Society B: Biological Sciences. 2019 ; Vol. 374, No. 1772.
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Natural diversity of CRISPR spacers of Thermus : Evidence of local spacer acquisition and global spacer exchange. / Lopatina, Anna; Medvedeva, Sofia; Artamonova, Daria; Kolesnik, Matvey; Sitnik, Vasily; Ispolatov, Yaroslav; Severinov, Konstantin.

In: Philosophical Transactions of the Royal Society B: Biological Sciences, Vol. 374, No. 1772, 20180092, 13.05.2019.

Research output: Contribution to journalArticle

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