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E-MTAB-10282

ABSTRACT: Acclimation of photosynthesis to changes in the environment results decreases oxidative stress in Arabidopsis thaliana

PROVIDER: E-MTAB-10282 | ExpressionAtlas | 2021-03-25

REPOSITORIES: ExpressionAtlas

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			Action	DRS
	E-MTAB-10282-analysis-methods.tsv	Tabular
	E-MTAB-10282-apply_fixes_zooma_mappings.done	Other
	E-MTAB-10282-atlasExperimentSummary.Rdata	Rdata
	E-MTAB-10282-configuration.xml	Xml
	E-MTAB-10282-percentile-ranks.tsv	Tabular

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Project description:Arabidopsis thaliana APE1, Acclimation of photosynthesis to environment [Source:UniProtKB/TrEMBL;Acc:A0A219HZL6], is expressed in 14 baseline experiment(s);

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Acclimation of photosynthesis to changes in the environment results decreases oxidative stress in Arabidopsis thaliana

Project description:Dynamic acclimation of photosynthesis plays an important role in increasing plant fitness under variable light environments. Acclimation is mediated by a glucose-6-phosphate/phosphate translocator, GPT2. This study examined whether plants lacking GPT2, which are defective in acclimation to increases in light, are more susceptible to oxidative stress. To understand this, we used the model plant of Arabidopsis thaliana (accession Wassilewskija-4 (Ws-4)) and compared this to mutants lacking GPT2. Plants were grown at low light (100 μmol m−2 s−1) for 7 weeks. For acclimation experiments, a set of plant from low light was transferred to 400 μmol m−2 s−1 for 7 days. Microarray analysis showed that gpt2 plants showed a greater induction of stress related genes relative to WT.

2021-03-24 | E-MTAB-10282 | biostudies-arrayexpress

Proteomic analysis of the thylakoid membrane in Arabidopsis in the lab versus the field

Project description:The plant chloroplast thylakoid membrane must respond to environmental variations in light intensity to maximise the efficiency of photosynthesis and minimise photo-oxidative stress. Plants respond to changing light intensity in the short-term (seconds to minutes) through altered regulation of the structure and function of existing thylakoid components, whereas long-term acclimation (hours to days) involves changes in gene expression, protein synthesis and degradation, which modulate the composition of the thylakoid membrane. Here we have investigated the long-term changes in the thylakoid membrane composition in Arabidopsis thaliana plants acclimated to a controlled laboratory environment to those acclimated to the field using quantitative label-free proteomics in combination with biochemical and structural analyses.

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Project description:Brassica rapa Bra028418, AT5G38660 (E=2e-113) APE1 | APE1 (ACCLIMATION OF PHOTOSYNTHESIS TO ENVIRONMENT) , is differentially expressed in 1 experiment(s);

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Project description:Brassica rapa Bra028418, AT5G38660 (E=2e-113) APE1 | APE1 (ACCLIMATION OF PHOTOSYNTHESIS TO ENVIRONMENT) , is expressed in 1 baseline experiment(s);

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