Bacterial Variable Number Tandem Repeats

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Repeated nucleotide sequences are less obvious in bacterial genomes but nevertheless are present, highly variable, and, in some cases, very important in biological processes. Variable number tandem repeat (VNTR) loci tend to be hypermutable through an insertion/deletion of short nucleotide repeat sequences. Great variation can be generated in this manner at mutation rates that are thousands, if not millions, of times faster than the rest of the genome. This variation not only has been used for high-resolution subtyping of bacterial pathogens but also can be involved in rapid phenotypic changes. Phase variation by pathogens to avoid host immune responses can be mediated by VNTR variation. Genomically localized hypermutability allows for selective rapid evolution, while avoiding secondary mutations that could lead to a genetic load upon the species.

Original languageEnglish (US)
Title of host publicationBrenner's Encyclopedia of Genetics
Subtitle of host publicationSecond Edition
PublisherElsevier Inc.
Pages274-276
Number of pages3
ISBN (Electronic)9780080961569
ISBN (Print)9780123749840
DOIs
StatePublished - Feb 27 2013

Fingerprint

Minisatellite Repeats
minisatellite repeats
Pathogens
Nucleotides
Genetic Load
Genes
Bacterial Genomes
mutation
Biological Phenomena
genome
pathogens
Mutation Rate
nucleotides
immune response
Genome
nucleotide sequences
Mutation
loci

Keywords

  • Genetic load
  • Hypermutability
  • Lipopolysaccharide
  • Molecular epidemiology
  • Multiple-locus VNTR analysis
  • Mutators
  • Phase variation
  • Simple sequence repeat
  • Subtyping
  • Variable number tandem repeat

ASJC Scopus subject areas

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

Cite this

Keim, P. S. (2013). Bacterial Variable Number Tandem Repeats. In Brenner's Encyclopedia of Genetics: Second Edition (pp. 274-276). Elsevier Inc.. https://doi.org/10.1016/B978-0-12-374984-0.01630-2

Bacterial Variable Number Tandem Repeats. / Keim, Paul S.

Brenner's Encyclopedia of Genetics: Second Edition. Elsevier Inc., 2013. p. 274-276.

Research output: Chapter in Book/Report/Conference proceedingChapter

Keim, PS 2013, Bacterial Variable Number Tandem Repeats. in Brenner's Encyclopedia of Genetics: Second Edition. Elsevier Inc., pp. 274-276. https://doi.org/10.1016/B978-0-12-374984-0.01630-2
Keim PS. Bacterial Variable Number Tandem Repeats. In Brenner's Encyclopedia of Genetics: Second Edition. Elsevier Inc. 2013. p. 274-276 https://doi.org/10.1016/B978-0-12-374984-0.01630-2
Keim, Paul S. / Bacterial Variable Number Tandem Repeats. Brenner's Encyclopedia of Genetics: Second Edition. Elsevier Inc., 2013. pp. 274-276
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