Genome-wide transcriptome analysis of soybean primary root under varying water-deficit conditions

BMC Genomics
Li SongHenry T Nguyen

Abstract

Soybean is a major crop that provides an important source of protein and oil to humans and animals, but its production can be dramatically decreased by the occurrence of drought stress. Soybeans can survive drought stress if there is a robust and deep root system at the early vegetative growth stage. However, little is known about the genome-wide molecular mechanisms contributing to soybean root system architecture. This study was performed to gain knowledge on transcriptome changes and related molecular mechanisms contributing to soybean root development under water limited conditions. The soybean Williams 82 genotype was subjected to very mild stress (VMS), mild stress (MS) and severe stress (SS) conditions, as well as recovery from the severe stress after re-watering (SR). In total, 6,609 genes in the roots showed differential expression patterns in response to different water-deficit stress levels. Genes involved in hormone (Auxin/Ethylene), carbohydrate, and cell wall-related metabolism (XTH/lipid/flavonoids/lignin) pathways were differentially regulated in the soybean root system. Several transcription factors (TFs) regulating root growth and responses under varying water-deficit conditions were identified and the express...Continue Reading

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Mar 26, 2016·Frontiers in Plant Science·Chenglin ChaiHenry T Nguyen
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Datasets Mentioned

BETA
SRP067593

Methods Mentioned

BETA
environmental stresses
RNA-Seq
transgenic
ICE
PCR

Software Mentioned

Phytozome
Tophat
FASTX
Cuffdiff
Bowtie
MAPMAN
custom Perl script
dChiP
MEME
Tomtom tool

Related Concepts