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Related Experiment Videos

Progress in improving processing attributes in potato.

M Finlay B Dale1, John E Bradshaw

  • 1Scottish Crop Research Institute, Invergowrie, Dundee DD2 5DA, Scotland, UK. fdale@scri.sari.ac.uk

Trends in Plant Science
|July 25, 2003
PubMed
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Understanding potato cold-sweetening is advanced by a new molecular-function map of carbohydrate metabolism. This map aids in identifying genes for improving this economically important trait through breeding or genetic modification.

Area of Science:

  • Plant biochemistry
  • Molecular genetics
  • Agricultural science

Background:

  • Cold-sweetening in potatoes (Solanum tuberosum) is an economically important trait.
  • This process involves changes in carbohydrate metabolism and transport under cold conditions.
  • Previous understanding of the genetic basis for cold-sweetening was limited.

Purpose of the Study:

  • To leverage a newly published molecular-function map of carbohydrate metabolism and transport in potato.
  • To enable a candidate-gene approach for understanding and manipulating cold-sweetening.
  • To advance the genetic understanding of this key agricultural trait.

Main Methods:

  • Utilizing a detailed molecular-function map of potato carbohydrate metabolism.
  • Employing a candidate-gene approach based on the map.

Related Experiment Videos

  • Confirming the roles of key enzymes in starch metabolism.
  • Mapping these enzymes onto a detailed genetic linkage map.

    • Main Results:

    • A molecular-function map of carbohydrate metabolism and transport in potato is now available.
    • The roles of several key enzymes in starch metabolism have been confirmed.
    • The positions of these enzymes on a detailed linkage map are established.

    Conclusions:

    • The molecular-function map facilitates a candidate-gene approach to study cold-sweetening.
    • Progress in manipulating cold-sweetening is expected through marker-assisted selection or transgenic methods.
    • This work represents a significant step in understanding and improving this economically important potato trait.