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Related Experiment Videos

Functional markers in plants.

Jeppe R Andersen1, Thomas Lübberstedt

  • 1Department of Plant Biology, Danish Institute of Agricultural Sciences, Research Center Flakkebjerg, 4200, Slagelse, Denmark.

Trends in Plant Science
|November 11, 2003
PubMed
Summary
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Functional markers, derived from characterized plant DNA sequences, offer precise genetic insights. They improve upon random DNA markers by directly linking to specific traits, aiding in plant breeding and genetic studies.

Area of Science:

  • Plant genetics
  • Molecular biology
  • Genomics

Background:

  • Allelic variation in plants is increasingly studied using association studies.
  • Identifying DNA sequence motifs linked to phenotypic variation is crucial for understanding plant traits.

Purpose of the Study:

  • To introduce and define the concept of 'functional markers'.
  • To highlight the advantages of functional markers over traditional random DNA markers.

Main Methods:

  • Review of current approaches for functional characterization of plant genetic variation.
  • Conceptual development of functional markers based on characterized sequence motifs.

Main Results:

  • Functional markers are proposed as DNA markers derived from functionally characterized sequence motifs.

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  • Functional markers demonstrate complete linkage with trait locus alleles, surpassing random markers like RFLPs, SSRs, and AFLPs.

    • Conclusions:

    • Functional markers represent a significant advancement in plant genetics.
    • The definition, development, application, and future prospects of functional markers are outlined.