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ProteomicsProteomics identifies ubiquitin-proteasome targets and new roles for chromatin-remodelling in the Arabidopsis response to phosphate starvation
In order to identify new regulators of the phosphate (Pi) starvation signaling pathway in plants, we analyzed variation in the abundance of nuclear-enriched nuclear proteins isolated from Arabidopsis roots that depends on Pi supply. We used 2-D Fluorescence Difference Gel Electrophoresis and MALDI-T...
ORGANISM(S): Arabidopsis thaliana (Mouse-ear cress) 
2020-01-22 | PXD000305 | Pride
Arabidopsis Nuclear proteome Ubiquitin-proteasome system Nap1 2 Dige Phosphate signaling Phosphate starvation Histone chaperone 
TranscriptomicsRibosome footprints sequencing from Arabidopsis thaliana roots during Pi starvation
Post-transcriptional gene regulation plays a significant role in the response to Pi starvation. Here, we utilized advances in next-generation sequencing technology to examine changes in transcriptional control, RNA association with translating ribosomes in 14-day-old Arabidopsis seedlings subjected ...
ORGANISM(S): Arabidopsis thaliana 
2017-05-06 | GSE98610 | GEO
GenomicsWhole Genome Bisulfite sequencing of Arabidopsis thaliana High and Low phosphate methylomes
Pi availability is a significant limiting factor for plant growth in both natural and agricultural systems. To cope with such limiting conditions, plants have adapted developmental and biochemical strategies to enhance Pi acquisition and to avoid starvation. A myriad of genes that are involved in th...
ORGANISM(S): Arabidopsis thaliana 
2015-12-31 | E-GEOD-72770 | biostudies-arrayexpress
ProteomicsResearch on the secretome of Arabidopsis PHR1 in Pi-starvation response
Through hydroponic culture under phosphate-sufficient (+Pi) and phosphate-deficient (−Pi) conditions, a total of 2,078 high-confidence secreted proteins were quantitatively identified from WT and phr1 plants. These proteins were functionally categorized into phosphatases, signal transduction protein...
ORGANISM(S): Arabidopsis thaliana (Mouse-ear cress) 
2026-10-05 | PXD081553 | Pride
Phr1 I.e. arabidopsis thaliana Pi-starvation response Lc-msms 
TranscriptomicsExpression data from Col-0 and sp1,spx2 under phosphate starvation stress and recovery after resupplying phosphate
We performed a transcriptomic analysis of Pi-starvation and recovery after resupplying Pi in Arabidopsis thaliana (Columbia-0) wild type plants and double mutant spx1,spx2. Results show that SPX1 is a Pi-dependent inhibitor of the transcription factor PHR1, a central regulatory protein in the contro...
ORGANISM(S): Arabidopsis thaliana 
2014-09-30 | E-GEOD-52046 | biostudies-arrayexpress
GenomicsGenome-Wide Characterization of the Phosphate Starvation Response in Schizosaccharomyces pombe [ChIP-Seq data]
Inorganic phosphate is an essential nutrient required by organisms for growth. During phosphate starvation, Saccharomyces cerevisiae activates the phosphate signal transduction (PHO) pathway leading to the expression of the secreted acid phosphatase, PHO5. The fission yeast, Schizosaccharomyces pomb...
ORGANISM(S): Schizosaccharomyces pombe 972h- 
2013-01-02 | E-GEOD-39498 | biostudies-arrayexpress
TranscriptomicsOryza sativa strain:Nipponbare Transcriptome or Gene expression
To better understand the complex mechanisms regulating Pi homeostasis in rice (Oryza sativa L. cv. Nipponbare), a time course experiment was performed, where pre-germinated seedlings were grown hydroponically for two weeks on Pi-sufficient medium (0.32 mM Pi), before transferring half of the plants ...
ORGANISM(S): Oryza sativa Japonica Group 
2013-11-25 | E-MTAB-4427 | biostudies-arrayexpress
UnknownPHR-Mediated Pi Starvation Response Mobile Messenger RNAs Represent Noncoding Transcripts in Recipient Tissues.
Not available
S-EPMC12822437 | biostudies-literature
TranscriptomicsCompetition and cooperativity determine transcription factor binding and regulation
Binding of transcription factors to DNA is a key regulatory step in the control of gene expression. DNA sequences with high affinity for transcription factors occur more frequently in the genome than instances of genes bound or regulated by these factors. How specific gene regulation is achieved by...
ORGANISM(S): Saccharomyces cerevisiae 
2011-06-29 | E-GEOD-23580 | biostudies-arrayexpress
TranscriptomicsDiversity in the complexity of phosphate starvation transcriptomes among rice cultivars based on RNA-Seq profiles
Rice has developed several morphological and physiological strategies to adapt to phosphate starvation stress. In order to elucidate the molecular bases of response due to phosphate stress particularly the transcriptional profile of genotypes with variation in tolerance to phosphate starvation, we a...
ORGANISM(S): Oryza sativa Japonica Group 
2014-05-23 | E-MTAB-4465 | biostudies-arrayexpress
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