Please use this identifier to cite or link to this item: http://ktisis.cut.ac.cy/handle/10488/6521
Title: A β-D-xylosidase and a PR-4B precursor identified as genes accounting for differences in peach cold storage tolerance
Authors: Falara, Vasiliki
Ziliotto, Fiorenza 
Manganaris, George A. 
Keywords: Cold storage;DNA microarrays;Peach;Fruit--Ripening;Gene expression;Nucleotide sequence;Proteins
Category: Biological Sciences
Field: Natural Sciences
Issue Date: 2011
Publisher: Springer
Source: Functional and integrative genomics, 2011, volume 11, issue 2, pages 357-368
Abstract: A transcriptome analysis was applied on two peach (Prunus persica L.) cultivars with different sensitivity to low temperature regimes to identify genes that might be involved in tolerance to extended low temperature storage. Peach fruit from 'Morettini No2' to 'Royal Glory', cultivars sensitive and tolerant to chilling injury (CI), respectively, were harvested at commercial maturity stage and allowed to ripen at room temperature (shelf-life, 25°C) or subjected to 4 and 6 weeks of cold storage (0°C, 95% R.H.) followed by ripening at room temperature. The use of μPEACH 1.0 microarray platform identified a number of genes that were differentially expressed in 'Morettini No2' and 'Royal Glory' fruit after the extended storage period. Based on their possible involvement in physiological processes related to cold storage and on their differential expression pattern, two heat shock proteins, a β-D-xylosidase, an expansin, a dehydrin and a pathogenesis-related (PR) protein were further selected for detailed analysis via RNA blot analysis. It is suggested that β-D-xylosidase and PR-4B precursor genes could be related to the different tolerance to CI observed in the two peach cultivars since generally higher expression levels were observed in cv. 'Royal Glory', the tolerant one. These two genes could play a role in peach tolerance to chilling injury
URI: http://ktisis.cut.ac.cy/handle/10488/6521
ISSN: 1438793X
DOI: 10.1007/s10142-010-0204-1
Rights: © 2011 Springer-Verlag
Type: Article
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