DNA Extraction from Keratin and Chitin

Methods Mol Biol. 2019:1963:57-63. doi: 10.1007/978-1-4939-9176-1_7.

Abstract

DNA extracted from keratinous and chitinous materials can be a useful source of genetic information. To effectively liberate the DNA from these materials, buffers containing relatively high levels of DTT, proteinase K, and detergent are recommended, followed by purification using either silica column or organic methods.

Keywords: Ancient DNA; Chitinous tissue; Cuticle; DNA extraction; Exoskeleton; Feathers; Hair; Keratinous tissue; Nail; Silica.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Chitin / chemistry*
  • DNA / analysis*
  • DNA / isolation & purification*
  • Endopeptidase K / metabolism
  • Humans
  • Keratins / chemistry*
  • Silicon Dioxide / chemistry

Substances

  • Chitin
  • Keratins
  • Silicon Dioxide
  • DNA
  • Endopeptidase K