Breeding, Europe, UK, Ireland, Fresh/ Table, Varieties

Gene find unlocks potato colouring

Scientists at The James Hutton Institute have unlocked the genetics of potato skin and flesh colour paving the way for new colourful varieties. A new study identified a genetic molecule that regulates the production of anthocyanin, a natural pigment which influences skin and flesh colour.

Researchers also discovered previously unknown inhibitors of anthocyanin, meaning potato breeders could target these genes to create new colour combinations in new potato varieties.

Dr Csaba Hornyik, corresponding author of the study, said the work involved the use of a new layer of gene regulation to identify key genes influencing colour formation.

“Micro RNA molecules, or miRNAs, regulate many potato genes and can determine traits including disease resistance or tuberisation. For the first time, we identified a specific potato miRNA strongly associated with purple skin and flesh colour.”

Full report by Fruitnet

Editor & Publisher: Lukie Pieterse


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