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Changes in anthocyanin production during domestication of Citrus

Butelli Eugenio, Garcia-Lor Andrés, Licciardello Concetta, Las Casas Giuseppina, Hill Lionel, Reforgiato Giuseppe, Keremane Manjunath, Ramadugu Chandrika, Krueger Robert, Xu Qiang, Deng Xiuxin, Fanciullino Anne Laure, Froelicher Yann, Navarro Luis, Martin Cathie. 2017. Changes in anthocyanin production during domestication of Citrus. Plant Physiology, 173 (4) : pp. 2225-2242.

Journal article ; Article de recherche ; Article de revue à facteur d'impact
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Quartile : Outlier, Sujet : PLANT SCIENCES

Abstract : Mandarin (C. reticulata), citron (C. medica) and pummelo (C. maxima) are important species of the genus Citrus and parents of the interspecific hybrids that constitute the most familiar commercial varieties of citrus: sweet orange, sour orange, clementine, lemon, lime and grapefruit. Citron produces anthocyanins in its young leaves and flowers, as do species in genera closely related to Citrus, but mandarins do not and pummelo varieties that produce anthocyanins have not been reported. We investigated the activity of the Ruby gene, which encodes a MYB transcription factor controlling anthocyanin biosynthesis, in different accessions of a range of Citrus species and in domesticated cultivars. A white mutant of lemon lacks functional alleles of Ruby, demonstrating that Ruby plays an essential role in anthocyanin production in Citrus. Almost all the natural variation in pigmentation by anthocyanins in Citrus species can be explained by differences in activity of the Ruby gene, caused by point mutations, deletions and insertions of transposable elements. Comparison of the allelic constitution of Ruby in different species and cultivars also helps to clarify many of the taxonomic relationships in different species of Citrus, confirms the derivation of commercial varieties during domestication, elucidates the relationships within the subgenus Papeda and allows a new genetic classification of mandarins. (Résumé d'auteur)

Classification Agris : F60 - Plant physiology and biochemistry
F70 - Plant taxonomy and geography

Champ stratégique Cirad : Axe 1 (2014-2018) - Agriculture écologiquement intensive

Agence(s) de financement européenne(s) : European Commission

Programme de financement européen : FP7

Projet(s) de financement européen(s) : AnThocyanin and polyphenol bioactives for Health Enhancement through Nutritional Advancement

Auteurs et affiliations

  • Butelli Eugenio, John Innes Centre (GBR)
  • Garcia-Lor Andrés, IVIA (ESP)
  • Licciardello Concetta, CREA (ITA)
  • Las Casas Giuseppina, Universita di Catania (ITA)
  • Hill Lionel, John Innes Centre (GBR)
  • Reforgiato Giuseppe, Consiglio per la Ricerca e la Sperimentazione in Agricoltura (ITA)
  • Keremane Manjunath, USDA (USA)
  • Ramadugu Chandrika, UC (USA)
  • Krueger Robert, USDA (USA)
  • Xu Qiang, Huazhong Agricultural University (CHN)
  • Deng Xiuxin, Huazhong Agricultural University (CHN)
  • Fanciullino Anne Laure, INRA (FRA)
  • Froelicher Yann, CIRAD-BIOS-UMR AGAP (FRA)
  • Navarro Luis, IVIA (ESP)
  • Martin Cathie, John Innes Centre (GBR)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/586690/)

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