Transcriptomic profiling of the salt stress response in excised leaves of the halophyte Beta vulgaris ssp. maritima

Plant Science : an International Journal of Experimental Plant Biology
Monika SkorupaJarosław Tyburski

Abstract

Beta vulgaris ssp. maritima is a halophytic relative of cultivated beets. In the present work a transcriptome response to acute salt stress imposed to excised leaves of sea beet was investigated. Salt treatments consisted of adding NaCl directly to the transpiration stream by immersing the petioles of excised leaves into the salt solutions. Sequencing libraries were generated from leaves subjected to either moderate or strong salt stress. Control libraries were constructed from untreated leaves. Sequencing was performed using the Illumina MiSeq platform. We obtained 32970 unigenes by assembling the pooled reads from all the libraries with Trinity software. Screening the nr database returned 18,362 sequences with functional annotation. Using the reference transcriptome we identified 1,246 genes that were differentially expressed after 48 h of NaCl stress. Genes related to several cellular functions such as membrane transport, osmoprotection, molecular chaperoning, redox metabolism or protein synthesis were differentially expressed in response to salt stress. The response of sea beet leaves to salt treatments was marked out by transcriptomic up-regulation of genes related to photosynthetic carbon fixation, ribosome biogenesis, ce...Continue Reading

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Citations

Aug 4, 2016·Bulletin of Environmental Contamination and Toxicology·Małgorzata JaźwaBeata Klimek
Oct 18, 2019·BMC Plant Biology·Bliss Ursula FurtadoKatarzyna Hrynkiewicz
Nov 30, 2019·Frontiers in Plant Science·Xiaoyan LvYuguang Wang
Apr 13, 2017·Frontiers in Plant Science·Maheshi Dassanayake, John C Larkin
Feb 8, 2019·BMC Plant Biology·Monika SkorupaJarosław Tyburski

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