Postharvest Storage of Soft Fruits: New Insights from Transcriptomics, Proteomics and Metabolomics

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Horticultural Science and Ornamental Plants".

Deadline for manuscript submissions: closed (31 August 2024) | Viewed by 1454

Special Issue Editors


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Guest Editor
Institute of Food Science, Technology and Nutrition (ICTAN-CSIC), Madrid, Spain
Interests: transcription factors; plant stress; biochemistry; genetics and molecular biology; postharvest
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Guest Editor
Institute of Food Science, Technology and Nutrition (ICTAN-CSIC), Madrid, Spain
Interests: transcriptome profile; grape; high CO2 impact; postharvest; abiotic stress; molecular biology; post harvest technology; fruit quality; plant physiology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Soft fruit are highly valued due to their flavor and health benefits, but they have a short postharvest life period. Fruit softening is one of the main factors contributing to their deterioration and has an important impact on red fruit loss. Another important quality factor to be maintained in soft berries during postharvest is their nutritional value. In fact, soft fruit are especially appreciated and considered as “superfoods” because of their high content in antioxidants. Those compounds are mainly represented by vitamin C and polyphenols such as phenolic acids, flavonoids (anthocyanins, flavanols, and flavonols), and tannins, which, in red fruit, are altered by many factors, including postharvest storage conditions. The development of high-throughput omics techniques such as transcriptomic, proteomic, and metabolomic approaches have become viable options to support traditional postharvest research. This Special Issue of Plants aims to bring together the most relevant results using omics technologies applied to the study of soft fruit during their postharvest preservation.

Dr. Irene Romero
Dr. M. Teresa Sanchez-Ballesta
Guest Editors

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Keywords

  • soft fruit
  • postharvest quality
  • transcriptomics
  • proteomics
  • metabolomics

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Published Papers (1 paper)

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Research

17 pages, 1151 KiB  
Article
Effect of Short-Term High-CO2 Treatments on the Quality of Highbush and Rabbiteye Blueberries During Cold Storage
by Jose David Toledo-Guerrero, Maria Dolores Álvarez, Beatriz Herranz, M. Isabel Escribano, Carmen Merodio, Irene Romero and M. Teresa Sanchez-Ballesta
Plants 2024, 13(23), 3398; https://doi.org/10.3390/plants13233398 - 3 Dec 2024
Viewed by 982
Abstract
The global demand for blueberries has increased due to their health benefits, but postharvest losses, particularly firmness loss and decay, present significant challenges. This study evaluated the effects of high CO2 concentrations (15% and 20%) applied for 3 d at 1.0 °C [...] Read more.
The global demand for blueberries has increased due to their health benefits, but postharvest losses, particularly firmness loss and decay, present significant challenges. This study evaluated the effects of high CO2 concentrations (15% and 20%) applied for 3 d at 1.0 °C on highbush (cv. ‘Duke’) and rabbiteye (cv. ‘Ochlockonee’) blueberries, with a focus on quality maintenance during cold storage. The quality parameters evaluated included titratable acidity, pH, total soluble solids, weight loss, and decay. The effect of gaseous treatments on firmness was analyzed using mechanical parameters and the expression of genes related to cell wall integrity (XTH23, PL8, PG, PM3, EXP4, and VcGH5). Treatment efficacy varied between species. High CO2 levels reduced decay in both cultivars, but only the highbush cultivar (‘Duke’) showed improvements in firmness. In ‘Duke’, CO2 treatments affected the expression of XTH23, PL8, and GH5, while the role of PG and PME in maintaining firmness was minimal, with no significant differences between treatments. In ‘Ochlockonee’, CO2 effectively reduced weight loss but did not improve firmness. In conclusion, these results highlight the need for tailored postharvest strategies for different blueberry cultivars and suggest that short-term high CO2 treatments may effectively prolong the postharvest life of highbush blueberries. Full article
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