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Transcriptomic analysis of the response of Cardinal table grapes to low temperature and high CO2 levels.

AuthorsFernández-Caballero, Carlos ; Escribano, M. Isabel ; Merodio, Carmen ; Sánchez Ballesta, M. Teresa
Issue Date2012
PublisherInternational Society for Horticultural Science
CitationActa Horticulturae 929: 229- 232 (2012)
AbstractPostharvest storage life of table grapes is limited due to their sensitivity to fungal attack. A 3-day high CO2 pre-treatment was effective for maintaining the quality of ‘Cardinal’ berries, but little is known about its mode of action at molecular levels. To gain a better understanding of the molecular mechanisms involved in the responses of grapes to low temperatures and high CO2 levels we have performed genome-wide transcriptional profiling analysis of RNA isolated from the skin of ‘Cardinal’ berries treated and non-treated with high CO2 levels using a custom-made Affymetrix GeneChip; it includes probes for 23,096 unigenes developed within the GrapeGen project. Results showed that 3 days of pre-treatment with high CO2 caused higher changes in gene expression compared to non-treated fruit. By contrast, major changes in gene expression occurred at the end of the storage being higher after 27 days in air (1674), while in CO2-treated grapes the number of differentially expressed genes was significantly reduced (643).
Identifiersissn: 0567-7572
Appears in Collections:(ICTAN) Artículos
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