Transcription profile analysis of Lycopersicum esculentum leaves, unravels volatile emissions and gene expression under salinity stress

Plant Physiology and Biochemistry : PPB
Jihong ZhangShuang Ma

Abstract

Salinity stress can impede development and plant growth adversely. However, there is very little molecular information on NaCl resistance and volatile emissions in Lycopersicum esculentum. In order to investigate the effects of salt stress on the release of volatile compounds, we quantified and compared transcriptome changes by RNA-Seq analysis and volatile constituents with gas chromatography/mass spectrometry (GC/MS) coupled with solid-phase microextraction (SPME) after exposure to continuous salt stress. Chemical analysis by GC-MS analysis revealed that NaCl stress had changed species and quantity of volatile compounds released. In this research, 21,578 unigenes that represented 44,714 assembled unique transcripts were separated from tomato leaves exposed to NaCl stress based on de novo transcriptome assembly. The total number of differentially expressed genes was 7210 after exposure to NaCl, including 6200 down-regulated and 1208 up-regulated genes. Among these differentially expressed genes (DEGs), there were eighteen differentially expressed genes associated with volatile biosynthesis. Of the unigenes, 3454 were mapped to 131 KEGG (Kyoto Encyclopedia of Genes and Genomes) pathways, mainly those are involved in RNA transpo...Continue Reading

Citations

Nov 13, 2018·The Plant Journal : for Cell and Molecular Biology·Christophe RothanMathilde Causse
Aug 15, 2019·The Plant Journal : for Cell and Molecular Biology·Harro BouwmeesterFlorian Schiestl
Sep 5, 2019·International Journal of Molecular Sciences·Qi GuoBronwyn J Barkla
Oct 14, 2020·Plant, Cell & Environment·Velemir NinkovicMerlin Rensing

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