Overexpression of PSY1 increases fruit skin and flesh carotenoid content and reveals associated transcription factors in apple (Malus × domestica)

Overexpression of PSY1 increases fruit skin and flesh carotenoid content and reveals associated transcription factors in apple (Malus × domestica)

Knowledge of the transcriptional regulation of the carotenoid metabolic pathway is still emerging and here, we have misexpressed a key biosynthetic gene in apple to highlight potential transcriptional regulators of this pathway. We overexpressed phytoene synthase (PSY1), which controls the key rate-...

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Bibliographic Details
Main Authors: Charles Ampomah-Dwamena, Sumathi Tomes, Amali H. Thrimawithana, Caitlin Elborough, Nitisha Bhargava, Ria Rebstock, Paul Sutherland, Hilary Ireland, Andrew C. Allan, Richard V. Espley
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-09-01
Series:Frontiers in Plant Science
Subjects:
carotenoid biosynthesis
transgenic apple
transcriptome
plastids
gene expression
phytoene synthase
Online Access:https://www.frontiersin.org/articles/10.3389/fpls.2022.967143/full

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