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Unravelling effects of red/far-red light on nutritional quality and the role and mechanism in regulating lycopene synthesis in postharvest cherry tomatoes
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Song, Yanjie, Teakle, Graham R. and Lillywhite, Robert (2023) Unravelling effects of red/far-red light on nutritional quality and the role and mechanism in regulating lycopene synthesis in postharvest cherry tomatoes. Food Chemistry, 414 . 135690. doi:10.1016/j.foodchem.2023.135690 ISSN 0308-8146.
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Official URL: http://dx.doi.org/10.1016/j.foodchem.2023.135690
Abstract
The main goal of this study was to explore the role of red/far-red light in the preservation of postharvest quality in cherry tomato fruits and the mechanism of red/far-red light in regulation of lycopene synthesis. Results showed that red/far-red light irradiation inhibited weight loss and promoted colour change during storage, and it also increased the content of lycopene and β-carotene compared to control. Gene PSY, ZDS and LCY-b were overexpressed in fruits treated with red/far-red light during 33 days’ storage compared to control. The analysis of genes involved in red/far-red light absorbance (PHYA and PHYB) and mediation (HY5 and PIF3), and fruit ripening (ACS2 and RIN) suggests that red/far-red light promote lycopene accumulation through phytochrome-mediated signalling pathway to induce HY5. Elevated HY5 could either directly bind to PSY or promote the expression of ACS2 to induce RIN through MADS-loop to enhanced lycopene content.
Item Type: | Journal Article | ||||||||
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Subjects: | Q Science > QH Natural history > QH301 Biology Q Science > QH Natural history > QH426 Genetics Q Science > QK Botany T Technology > TP Chemical technology |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) | ||||||||
Library of Congress Subject Headings (LCSH): | Fruit -- Quality, Tomatoes, Lycopene, Gene expression, Nutrition | ||||||||
Journal or Publication Title: | Food Chemistry | ||||||||
Publisher: | Elsevier BV | ||||||||
ISSN: | 0308-8146 | ||||||||
Official Date: | 15 July 2023 | ||||||||
Dates: |
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Volume: | 414 | ||||||||
Article Number: | 135690 | ||||||||
DOI: | 10.1016/j.foodchem.2023.135690 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||
Date of first compliant deposit: | 6 March 2023 | ||||||||
Date of first compliant Open Access: | 6 March 2023 |
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