Gene expression analysis of olive tree (Olea europaea L.) in response to salt stress

TitleGene expression analysis of olive tree (Olea europaea L.) in response to salt stress
Publication TypeJournal Article
Year of Publication2011
AuthorsBazakos, C, Manioudaki M, Therios I, Voyiatzis D, Kafetzopoulos D, Sarropoulou E, Awada T, Kalaitzis P
JournalActa Horticulturae
Volume924
Pages47 - 54
KeywordsGene expression, Hierarchical clustering, Microarray, NaCl stress, Olea europaea L.
Abstract

Olive (Olea europaea L.) is one of the most significant crops in the Mediterranean region. The expansion in cultivation of olive to areas irrigated with low quality water, mostly saline, limits growth and productivity. Although a number of studies have been conducted on the effects of salinity on olive growth, the molecular basis of salt tolerance has not been investigated. A five-month salt stress experiment was set up with one-year-old plants of the cultivar 'Kalamon', which exhibits tolerance to salinity. A custom olive cDNA microarray, composed of 1,121 cDNAs, was constructed and used for comparative transcriptome analysis of salt-treated and untreated roots. In addition, the expression profiles of selected cDNAs were further analyzed. Salt stress-related cDNA homologues through nucleotide bioinformatic analyses have been found.

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