Arabidopsis thaliana
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA100565 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:Early phosphate-deficiency induced signal changes in Arabidopsis roots
| PRJNA116663 | ENA
Project description:We examined the changes in gene expression in Arabidopsis thaliana grown under arsenate stress. The transcriptional profiling reveals antioxidant activity and repression of the phosphate starvation response. Keywords: dual label, stress response
2008-02-08 | GSE10425 | GEO
Project description:Coexpression Networks of Phosphate Deficiency Genes
| PRJNA134429 | ENA
Project description:When grown under phosphate (Pi) deficiency, plants adjust their developmental program and metabolic activity to cope with this nutritional stress. For Arabidopsis, the developmental responses include inhibition of primary root growth and enhanced formation of lateral roots and root hairs. Pi deficiency also inhibits photosynthesis by suppressing the expression of photosynthetic genes. Interestingly, early studies showed that photosynthetic gene expression was also suppressed in roots, a non-photosynthetic tissue. The biological relevance of this phenomenon, however, is not known. In this work, we characterized an Arabidopsis mutant, hps7, which is hypersensitive to Pi deficiency; the hypersensitivity includes an increased inhibition of root growth. HPS7 encodes a tyrosylprotein sulfotransferase (TPST). Accumulation of TPST proteins, but not mRNA, is induced by Pi deficiency. Comparative RNA-Seq analyses indicated that expression of many photosynthetic genes was activated in the roots of hps7. Under Pi deficiency, the expression of the photosynthetic genes in hps7 is further increased, which leads to the enhanced accumulation of chlorophyll, starch, and reactive oxygen species. The increased inhibition of root growth in hps7 under Pi deficiency was completely reversed by growing plants in the dark. Based on these results, we propose that suppression of photosynthetic gene expression in roots is required for sustained root growth under Pi deficiency.
2014-07-28 | E-MTAB-4405 | biostudies-arrayexpress
Project description:Expression data from Arabidopsis thaliana under phosphate starvation stress
| PRJNA117483 | ENA
Project description:Changes in Gene Expression in Brassica oleracea Shoots during Phosphate Starvation (Cross-species study)
| PRJNA96907 | ENA
Project description:Expression data from Col-0 and sp1,spx2 under phosphate starvation stress and recovery after resupplying phosphate
| PRJNA226582 | ENA
Project description:Roles of MYB3R repressors for gene expression changes under salt stress
| PRJDB10553 | ENA
Project description:Inorganic phosphate (Pi) is an essential nutrient, which is often served as a limiting factor in plant growth. It has been reported that SPL family members, such as SPL3, regulate Pi deficiency responses by controlling the expression of Pi deficiency responsive genes. To elucidate whether SPL9 respond to low phosphorus stress, we investigated the phenotypes and conduct RNA sequencing analysis in transgenic Arabidopsis thaliana with overexpressing SPL9 (R9) under conditions of both normal and low Pi availability. Compared with wild-type plants, R9 showed decreased anthocyanin accumulation and increased Pi contents in shoots under Pi deficiency. Through RNA-seq analysis compared with wild-type plants, we detected 217 genes significantly differentially expressed in conditions of Pi sufficiency, and 121 genes differentially expressed in conditions of Pi deficiency in R9 plants. Under Pi deficiency, these genes included multiple protein kinases, jasmonic acid response genes and genes related to salt stress responses. Genes associated with hydrolase and transferase activity were also differentially regulated by Pi deficiency, such as cytochrome P450 monooxygenases. Of particular note, the transcription factor AP2-EREBP and members of the bHLH family were among the most significantly differentially regulated genes identified under both Pi sufficient and Pi deficient conditions.
2021-09-03 | GSE183312 | GEO
Project description:Expression data from Arabidopsis thaliana PHR1 primary targets genes under phosphate starvation stress
| PRJNA124443 | ENA