Bridging Traditional and Molecular Genetics in Modifying Cottonseed Oil

  • Qing Liu
  • Surinder Singh
  • Kent Chapman
  • Allan Green
Part of the Plant Genetics and Genomics: Crops and Models book series (PGG, volume 3)


Cotton breeding has traditionally focused on improving crop productivity and fiber quality. While this is still the major objective, there is increased interest in improving the nutritional and functional properties of the cotton seed oil. The nutritional and industrial value of cottonseed oil, like other vegetable oils, is determined by its fatty acid profile. Conventional genetics and breeding approaches to altering fatty acid composition have explored natural variation and induced mutations, but have had little if any impact on germplasm development. Recent advances in the understanding of the basic biochemistry of seed oil biosynthesis, coupled with identification of genes for oilseed modification, have set the stage for the genetic engineering of cottonseed to produce designer oils tailored for specific applications. Considerable progress has been achieved in altering the relative levels of the existing fatty acids in cottonseed oil for enhanced nutritional value and expanded industrial applications. Transgenic production in cottonseed oil of novel fatty acids with high industrial value can contribute to the replacement of non-renewable petroleum feedstocks with renewable and sustainable bio-based feedstocks. As functional genomics progresses further non-transgenic methods, such as TILLING, could facilitate the detection and selection of mutations not achievable through traditional breeding.


Oleic Acid Fatty Acid Composition Stearic Acid Palmitic Acid Trans Fatty Acid 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Qing Liu
    • 1
  • Surinder Singh
    • 1
  • Kent Chapman
    • 1
  • Allan Green
    • 1
  1. 1.CSIRO Plant IndustryAustralia

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