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Article

ABA Speeds Up the Progress of Color in Developing F. chiloensis Fruit through the Activation of PAL, CHS and ANS, Key Genes of the Phenylpropanoid/Flavonoid and Anthocyanin Pathways

by
Elena Mattus-Araya
,
Joselin Guajardo
,
Raúl Herrera
and
María A. Moya-León
*
Laboratorio de Fisiología Vegetal y Genética Molecular, Instituto de Ciencias Biológicas, Universidad de Talca, Talca 3465548, Chile
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2022, 23(7), 3854; https://doi.org/10.3390/ijms23073854
Submission received: 18 February 2022 / Revised: 24 March 2022 / Accepted: 28 March 2022 / Published: 31 March 2022
(This article belongs to the Special Issue Genetic Regulation of Fruit Pigmentation)
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Abstract

Phenolic compounds with antioxidant properties have risen in interest due to their benefits for human health. Fragaria chiloensis is a native wild berry species from Chile that develops a white/pink receptacle and white flesh at the ripe stage. Changes in color parameters, anthocyanins, secondary metabolites (phenolics, flavonoids), and total antioxidant capacity were followed during the development and ripening of F. chiloensis fruit. The increment in color ‘a’ index takes place in parallel with anthocyanins rise and the reduction in phenolics, flavonoids, and antioxidant capacity. Good correlations were determined between color development, anthocyanins, and the expression of key phenylpropanoid/flavonoid and anthocyanin pathway genes. To investigate the role of ABA on color development, detached immature fruit (C2 stage) were treated with exogenous ABA and stored at 20 °C. Fruit color development was accelerated by ABA treatment compared to non-treated fruit, and consistent with that, the increment in the accumulation of anthocyanins and transcripts of phenylpropanoid/flavonoid, and anthocyanin pathways genes such as FcPAL, FcCHS, and FcANS were observed. This suggests that ABA promotes transcriptional changes that lead to the color formation on this non-climacteric fruit.
Keywords: ABA; anthocyanins; anthocyanins pathway; antioxidants; color; flavonoid pathway; phenolics; phenylpropanoid pathway; qPCR; Fluridon ABA; anthocyanins; anthocyanins pathway; antioxidants; color; flavonoid pathway; phenolics; phenylpropanoid pathway; qPCR; Fluridon

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MDPI and ACS Style

Mattus-Araya, E.; Guajardo, J.; Herrera, R.; Moya-León, M.A. ABA Speeds Up the Progress of Color in Developing F. chiloensis Fruit through the Activation of PAL, CHS and ANS, Key Genes of the Phenylpropanoid/Flavonoid and Anthocyanin Pathways. Int. J. Mol. Sci. 2022, 23, 3854. https://doi.org/10.3390/ijms23073854

AMA Style

Mattus-Araya E, Guajardo J, Herrera R, Moya-León MA. ABA Speeds Up the Progress of Color in Developing F. chiloensis Fruit through the Activation of PAL, CHS and ANS, Key Genes of the Phenylpropanoid/Flavonoid and Anthocyanin Pathways. International Journal of Molecular Sciences. 2022; 23(7):3854. https://doi.org/10.3390/ijms23073854

Chicago/Turabian Style

Mattus-Araya, Elena, Joselin Guajardo, Raúl Herrera, and María A. Moya-León. 2022. "ABA Speeds Up the Progress of Color in Developing F. chiloensis Fruit through the Activation of PAL, CHS and ANS, Key Genes of the Phenylpropanoid/Flavonoid and Anthocyanin Pathways" International Journal of Molecular Sciences 23, no. 7: 3854. https://doi.org/10.3390/ijms23073854

APA Style

Mattus-Araya, E., Guajardo, J., Herrera, R., & Moya-León, M. A. (2022). ABA Speeds Up the Progress of Color in Developing F. chiloensis Fruit through the Activation of PAL, CHS and ANS, Key Genes of the Phenylpropanoid/Flavonoid and Anthocyanin Pathways. International Journal of Molecular Sciences, 23(7), 3854. https://doi.org/10.3390/ijms23073854

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