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Improving palm oil quality through identification and mapping of the lipase gene causing oil deterioration

Improving palm oil quality through identification and mapping of the lipase gene causing oil deterioration. Morcillo Fabienne, Cros David, Billotte Norbert, Ngando Ebongue Georges Frank, Domonhedo Hubert, Pizot Maxime, Cuellar Maria Térésa, Espeout Sandra, Dhouib R., Bourgis Fabienne, Claverol Stéphane, Tranbarger Timothy John, Nouy Bruno, Arondel Vincent. 2013. Nature Communications, 4 (2160), 8 p.
http://dx.doi.org/10.1038/ncomms3160

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Article de revue ; Article de revue à facteur d'impact

Quartile : Outlier, Sujet : MULTIDISCIPLINARY SCIENCES

Résumé : The oil palm fruit mesocarp contains high lipase activity that increases free fatty acids and necessitates post-harvest inactivation by heat treatment of fruit bunches. Even before heat treatment the mesocarp lipase activity causes consequential oil losses and requires costly measures to limit free fatty acids quantities. Here we demonstrate that elite low-lipase lines yield oil with substantially less free fatty acids than standard genotypes, allowing more flexibility for post-harvest fruit processing and extended ripening for increased yields. We identify the lipase and its gene cosegregates with the low-/high-lipase trait, providing breeders a marker to rapidly identify potent elite genitors and introgress the trait into major cultivars. Overall, economic gains brought by wide adoption of this material could represent up to one billion dollars per year. Expected benefits concern all planters but are likely to be highest for African smallholders who would be more able to produce oil that meets international quality standards. (Résumé d'auteur)

Mots-clés Agrovoc : Elaeis guineensis

Mots-clés géographiques Agrovoc : Bénin, Cameroun

Classification Agris : F60 - Physiologie et biochimie végétales
F30 - Génétique et amélioration des plantes

Axe stratégique Cirad : Axe 1 (2005-2013) - Intensification écologique

Auteurs et affiliations

  • Morcillo Fabienne, CIRAD-BIOS-UMR DIADE (FRA)
  • Cros David, CIRAD-BIOS-UMR AGAP (FRA)
  • Billotte Norbert, CIRAD-BIOS-UMR AGAP (FRA)
  • Ngando Ebongue Georges Frank, IRAD (CMR)
  • Domonhedo Hubert, INRAB (BEN)
  • Pizot Maxime, IRD (FRA)
  • Cuellar Maria Térésa, CIRAD-BIOS-UMR AGAP (FRA)
  • Espeout Sandra, CIRAD-BIOS-UMR AGAP (FRA)
  • Dhouib R., CNRS (FRA)
  • Bourgis Fabienne, CNRS (FRA)
  • Claverol Stéphane, Université de Bordeaux II (FRA)
  • Tranbarger Timothy John, IRD (FRA)
  • Nouy Bruno, CIRAD-BIOS-UMR AGAP (FRA)
  • Arondel Vincent, CNRS (FRA)

Source : Cirad - Agritrop

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