DNA Barcodes pp 223-252 | Cite as

DNA Barcoding Methods for Land Plants

  • Aron J. Fazekas
  • Maria L. Kuzmina
  • Steven G. Newmaster
  • Peter M. Hollingsworth
Protocol
Part of the Methods in Molecular Biology book series (MIMB, volume 858)

Abstract

DNA barcoding in the land plants presents a number of challenges compared to DNA barcoding in many animal clades. The CO1 animal DNA barcode is not effective for plants. Plant species hybridize frequently, and there are many cases of recent speciation via mechanisms, such as polyploidy and breeding system transitions. Additionally, there are many life-history trait combinations, which combine to reduce the likelihood of a small number of markers effectively tracking plant species boundaries. Recent results, however, from the two chosen core plant DNA barcode regions rbcL and matK plus two supplementary regions trnH–psbA and internal transcribed spacer (ITS) (or ITS2) have demonstrated reasonable levels of species discrimination in both floristic and taxonomically focused studies. We describe sampling techniques, extraction protocols, and PCR methods for each of these two core and two supplementary plant DNA barcode regions, with extensive notes supporting their implementation for both low- and high-throughput facilities.

Key words

DNA barcoding Plant field collecting Plant DNA extraction PCR amplification Cycle sequencing rbcmattrnH–psbInternal transcribed spacer 

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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  • Aron J. Fazekas
    • 1
  • Maria L. Kuzmina
    • 2
  • Steven G. Newmaster
    • 1
  • Peter M. Hollingsworth
    • 3
  1. 1.Department of Integrative BiologyUniversity of GuelphGuelphCanada
  2. 2.Biodiversity Institute of Ontario & Integrative BiologyUniversity of GuelphGuelphCanada
  3. 3.Royal Botanic Garden EdinburghEdinburghUK

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