Metabolic Profile of Strawberry Fruit Ripened on the Plant Following Treatment With an Ethylene Elicitor or Inhibitor

Reis, Lúcia Margarete dos; Forney, Charles F.; Jordan, Michael; Pennell, Kathleen Munro; Fillmore, Sherry; Schemberger, Michelle Orane; Ayub, Ricardo Antônio

doi:10.3389/fpls.2020.00995

Cited by 26 publications

(11 citation statements)

References 56 publications

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“…More recently, Reis et al. (2020) reported that strawberries ( Fragaria × ananassa Duch.) dipped into an ethephon solution resulted in higher amounts of volatile compounds, especially ethyl and acetate esters, although the effect depended on the time ethephon was applied.…”

Section: Resultsmentioning

confidence: 99%

Ethephon foliar application: Impact on the phenolic and technological Tempranillo grapes maturity

López

Portu

González‐Arenzana

et al. 2021

Journal of Food Science

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In recent years, there has been increasing concern about the impact of climate change on viticulture, in particular regarding its influence on grape maturity and quality. Extensive research has shown that the rise of temperatures during grape ripening accelerates the accumulation of sugars while reducing the synthesis of phenolic and aromatic compounds. The aim of this study was to investigate whether the foliar application of the plant growth regulator ethephon might delay technological grape maturity and increase grape phenolic content, improving wine quality. For this, different concentrations of ethephon were applied during two vintages to the Tempranillo grape variety at the onset of veraison. Results showed that grape sugar accumulation was delayed in one of the two vintages, whereas the treatment favored the accumulation of phenolic compounds in both vintages. In conclusion, the application of ethephon at the onset of veraison to Tempranillo grapevines helped to couple grape phenolic and technological maturity, leading to more balanced wines, either by delaying sugar accumulation or by enhancing the synthesis of anthocyanins and phenolic compounds. Practical Application Due to the current climate change, phenolic maturity of grapes does not match with their technological maturity, which means that harvested grapes are usually very sweet but without enough color and aroma. The foliar application of the plant growth regulator—ethephon—delays technological grape maturity and increases grape phenolic content, improving wine quality and creating wines that are more balanced.

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Section: Resultsmentioning

confidence: 99%

Ethephon foliar application: Impact on the phenolic and technological Tempranillo grapes maturity

López

Portu

González‐Arenzana

et al. 2021

Journal of Food Science

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“…ABA can also enhance climacteric fruit ripening and promote coloration (carotenoid production), softening, and formation of aroma and flavor by positively regulating ethylene biosynthesis [ 7 , 13 ]. Unlike climacteric fruits, however, there is a divergence of opinion about whether ethylene does [ 115 – 121 ] or does not play a regulatory role in strawberry fruit ripening [ 30 , 67 , 103 , 107 , 122 , 123 ]. In postharvest strawberry ( F .…”

Section: Interactions Between Aba and Other Phytohormonesmentioning

confidence: 99%

Roles of abscisic acid in regulating ripening and quality of strawberry, a model non-climacteric fruit

Grierson

Shi

et al. 2022

Horticulture Research

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Abscisic acid (ABA) is a dominant regulator of ripening and quality in non-climacteric fruits. Strawberry is regarded as a model non-climacteric fruit due to its extensive genetic studies and proven suitability for transgenic approaches to understand gene function. Strawberry research has contributed to studies on color, flavor development and fruit softening, and in recent years ABA has been established as a core regulator of strawberry fruit ripening, whereas ethylene plays this role in climacteric fruits. Despite this major difference, several components of the interacting genetic regulatory network in strawberry, such as MADS-box and NAC transcription factors, are similar to those that operate in climacteric fruit. In this review, we summarize recent advances in understanding the role of ABA biosynthesis and signaling and the regulatory network of transcription factors and other phytohormones in strawberry fruit ripening. In addition to providing an update on its ripening, we discuss how strawberry research has helped generate a broader and more comprehensive understandings of the mechanism of non-climacteric fruit ripening and focus attention on the use of strawberry as a model platform for ripening studies.

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“…For example, ethylene is known to regulate the expression of genes involved in cell wall degradation and ripening-related metabolic pathways ( Castillejo et al., 2004 ; Merchante et al., 2013 ), being likely involved at later stages of the ripening process due to its late accumulation pattern and the expression of genes related to its metabolism and signaling ( Gu et al., 2019 ). However, its role does not seem critical since exogenous treatments with the ethylene inhibitor 1-methylcyclopropane (1-MCP) do not affect the common ripeness traits such as red color, sugar accumulation or acid loss ( Reis et al., 2020 ). Cytokinins (CKs) dramatically increase their levels at the ripe stage due to changes in the expression of genes involved in their biosynthesis and catabolism, possibly implying a role during the last stages of ripening as well ( Gu et al., 2019 ).…”

Section: Phytohormones In Strawberry Fruit Development and Ripening R...mentioning

confidence: 99%

Insights into transcription factors controlling strawberry fruit development and ripening

Sánchez-Gómez

Posé²,

Martín‐Pizarro³

2022

Front. Plant Sci.

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Fruit ripening is a highly regulated and complex process involving a series of physiological and biochemical changes aiming to maximize fruit organoleptic traits to attract herbivores, maximizing therefore seed dispersal. Furthermore, this process is of key importance for fruit quality and therefore consumer acceptance. In fleshy fruits, ripening involves an alteration in color, in the content of sugars, organic acids and secondary metabolites, such as volatile compounds, which influence flavor and aroma, and the remodeling of cell walls, resulting in the softening of the fruit. The mechanisms underlying these processes rely on the action of phytohormones, transcription factors and epigenetic modifications. Strawberry fruit is considered a model of non-climacteric species, as its ripening is mainly controlled by abscisic acid. Besides the role of phytohormones in the regulation of strawberry fruit ripening, a number of transcription factors have been identified as important regulators of these processes to date. In this review, we present a comprehensive overview of the current knowledge on the role of transcription factors in the regulation of strawberry fruit ripening, as well as in compiling candidate regulators that might play an important role but that have not been functionally studied to date.

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Metabolic Profile of Strawberry Fruit Ripened on the Plant Following Treatment With an Ethylene Elicitor or Inhibitor

Abstract: Exogenous ethylene treatment did not alter the rate of strawberry fruit ripening when fruit remained attached to the plant, but depending on the fruit developmental stage, treatments affected fruit growth, free amino acids and volatile metabolism.

Cited by 26 publications

References 56 publications

Ethephon foliar application: Impact on the phenolic and technological Tempranillo grapes maturity

Ethephon foliar application: Impact on the phenolic and technological Tempranillo grapes maturity

Roles of abscisic acid in regulating ripening and quality of strawberry, a model non-climacteric fruit

Insights into transcription factors controlling strawberry fruit development and ripening

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