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Comparison of basal gene expression strengths between Schrenkiella parvula and Arabidopsis thaliana

ABSTRACT: Using RNA sequencing, we compared transcriptomes of root and aerial tissues of S. parvula and Arabidopsis and identified genes and pathways with significantly different basal expression strengths. Many stress-related ion transporter genes in S. parvula showed increased copy numbers and basal expression strengths compared with Arabidopsis, with evidence of subfunctionalization. These results provide a blueprint for mechanisms of plant ion stress tolerance as well as potential genetic resources for crop improvement in closely related species. Note: All samples in SRA were assigned the same sample accession (SRS845940 and SRS845941). This is incorrect as there are different samples, hence “Source Name” was replaced with new values. Comment[ENA_SAMPLE] contains the original SRA sample accessions.

INSTRUMENT(S): Illumina HiSeq 2000

ORGANISM(S): Schrenkiella parvula

SUBMITTER: Dong-Ha Oh

PROVIDER: E-MTAB-4369 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Genome structures and transcriptomes signify niche adaptation for the multiple-ion-tolerant extremophyte Schrenkiella parvula.

Oh Dong-Ha DH Hong Hyewon H Lee Sang Yeol SY Yun Dae-Jin DJ Bohnert Hans J HJ Dassanayake Maheshi M

Plant physiology 20140221 4

Schrenkiella parvula (formerly Thellungiella parvula), a close relative of Arabidopsis (Arabidopsis thaliana) and Brassica crop species, thrives on the shores of Lake Tuz, Turkey, where soils accumulate high concentrations of multiple-ion salts. Despite the stark differences in adaptations to extreme salt stresses, the genomes of S. parvula and Arabidopsis show extensive synteny. S. parvula completes its life cycle in the presence of Na⁺, K⁺, Mg²⁺, Li⁺, and borate at soil concentrations lethal t ...[more]

PMID: 24563282

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