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Related Experiment Videos

Functional markers in wheat.

Merethe Bagge1, Xianchun Xia, Thomas Lübberstedt

  • 1Sejet Plant Breeding, Nørremarksvej 67, 8700 Horsens, Denmark.

Current Opinion in Plant Biology
|February 13, 2007
PubMed
Summary
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Developing gene-derived functional markers (FMs) is crucial for wheat breeding. TILLING offers a promising approach to overcome current limitations in FM development for wheat, enabling marker-assisted breeding advancements.

Area of Science:

  • Agricultural Science
  • Genetics
  • Plant Breeding

Background:

  • Wheat (Triticum aestivum L.) is a globally significant staple crop.
  • Functional markers (FMs) are ideal for marker-assisted breeding but are limited by gene availability.
  • High linkage disequilibrium (LD) in elite wheat complicates linking sequence to trait variation.

Purpose of the Study:

  • To address the bottleneck in developing functional markers (FMs) for wheat.
  • To explore TILLING as a viable method for FM development in wheat.
  • To facilitate marker-assisted breeding by increasing FM availability.

Main Methods:

  • Review of current limitations in wheat functional marker development.
  • Evaluation of TILLING (Targeting Induced Local Lesions IN Genomes) as a strategy for FM discovery.

Related Experiment Videos

  • Discussion of the role of genomics projects in overcoming gene availability challenges.

    • Main Results:

    • Ongoing genomics projects are expected to increase gene availability for FM development.
    • TILLING is identified as a robust method for targeting genes of interest for FM development.
    • Functional markers may be valuable for utilizing existing genetic variation in high LD regions.

    Conclusions:

    • TILLING presents a promising strategy to overcome the scarcity of functional markers in wheat.
    • Increased availability of FMs will enhance marker-assisted breeding in wheat.
    • Future genomics advancements will further support the development and application of FMs in wheat improvement.