The Up-regulation of Elongation Factors in the Barley Leaf and the Down-regulation of Nucleosome Assembly Genes in the Crown Are Both Associated with the Expression of Frost Tolerance

Overview

Journal Funct Integr Genomics

Publisher Springer

Specialties Genetics
Molecular Biology

Date 2014 May 20

PMID 24838952

Citations 5

Authors

Anna Janska

Alessio Aprile

Luigi Cattivelli

Jiri Zamecnik

Luigi De Bellis

Jaroslava Ovesna

Affiliations

Soon will be listed here.

Abstract

We report a series of microarray-based leaf and crown transcriptome comparisons involving three barley cultivars (cvs. Luxor, Igri and Atlas 68) which express differing degrees of frost tolerance. The transcripts were obtained following the exposure of seedlings to low (above and below zero) temperatures, aiming to identify those genes and signalling/metabolic pathways which are associated with frost tolerance. Both the leaves and the crowns responded to low temperature by the up-regulation of a suite of abscisic acid (ABA)-responsive genes, most of which have already been recognized as components of the plant low temperature response. The inter-cultivar comparison indicated that genes involved in maintaining the leaf's capacity to synthesize protein and to retain chloroplast activity were important for the expression of frost tolerance. In the crown, the repression of genes associated with nucleosome assembly and transposon regulation were the most relevant transcriptional changes associated with frost tolerance, highlighting the role of gene repression in the cold acclimation response.

Citing Articles

The dehydration stress of couch grass is associated with its lipid metabolism, the induction of transporters and the re-programming of development coordinated by ABA.

Janska A, Svoboda P, Spiwok V, Kucera L, Ovesna J BMC Genomics. 2018; 19(1):317.

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Global Scale Transcriptional Profiling of Two Contrasting Barley Genotypes Exposed to Moderate Drought Conditions: Contribution of Leaves and Crowns to Water Shortage Coping Strategies.

Svoboda P, Janska A, Spiwok V, Prasil I, Kosova K, Vitamvas P Front Plant Sci. 2017; 7:1958.

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Tang Y, Zeng X, Wang Y, Bai L, Xu Q, Wei Z Funct Integr Genomics. 2016; 17(1):107-117.

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