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An updated evolutionary classification of CRISPR-Cas systems

Makarova, Kira S (author)
Wolf, Yuri I (author)
Alkhnbashi, Omer S (author)
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Costa, Fabrizio (author)
Shah, Shiraz A (author)
Saunders, Sita J (author)
Barrangou, Rodolphe (author)
Brouns, Stan J J (author)
Charpentier, Emmanuelle, 1968- (author)
Department of Regulation in Infection, Max Planck Institute for Infection Biology,Charpentier
Haft, Daniel H (author)
Horvath, Philippe (author)
Moineau, Sylvain (author)
Mojica, Francisco J M (author)
Terns, Rebecca M (author)
Terns, Michael P (author)
White, Malcolm F (author)
Yakunin, Alexander F (author)
Garrett, Roger A (author)
van der Oost, John (author)
Backofen, Rolf (author)
Koonin, Eugene V (author)
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 (creator_code:org_t)
2015-09-28
2015
English.
In: Nature Reviews Microbiology. - : Springer Science and Business Media LLC. - 1740-1526 .- 1740-1534. ; 13:11, s. 722-736
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • The evolution of CRISPR-cas loci, which encode adaptive immune systems in archaea and bacteria, involves rapid changes, in particular numerous rearrangements of the locus architecture and horizontal transfer of complete loci or individual modules. These dynamics complicate straightforward phylogenetic classification, but here we present an approach combining the analysis of signature protein families and features of the architecture of cas loci that unambiguously partitions most CRISPR-cas loci into distinct classes, types and subtypes. The new classification retains the overall structure of the previous version but is expanded to now encompass two classes, five types and 16 subtypes. The relative stability of the classification suggests that the most prevalent variants of CRISPR-Cas systems are already known. However, the existence of rare, currently unclassifiable variants implies that additional types and subtypes remain to be characterized.

Subject headings

NATURVETENSKAP  -- Biologi -- Genetik (hsv//swe)
NATURAL SCIENCES  -- Biological Sciences -- Genetics (hsv//eng)
NATURVETENSKAP  -- Biologi -- Mikrobiologi (hsv//swe)
NATURAL SCIENCES  -- Biological Sciences -- Microbiology (hsv//eng)
NATURVETENSKAP  -- Biologi -- Biokemi och molekylärbiologi (hsv//swe)
NATURAL SCIENCES  -- Biological Sciences -- Biochemistry and Molecular Biology (hsv//eng)

Keyword

mikrobiologi
Microbiology

Publication and Content Type

ref (subject category)
art (subject category)

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