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MetabolomicsJasmonate-mediated stomatal closure under elevated CO2 revealed by time-resolved metabolomics
Foliar stomatal movements are critical for regulating plant water loss and gas exchange. Elevated carbon dioxide (CO2) levels are known to induce stomatal closure. However, the current knowledge on CO2 signal transduction in stomatal guard cells is limited. Here we report metabolomic responses of Br...
2017-04-25 | MTBLS312 | MetaboLights
MetabolomicsCell type-specific proteomics uncovers a RAF15-SnRK2.6/OST1 kinase cascade in guard cells

Multicellular organisms such as plants contain various cell types with specialized functions. Analyzing the characteristics of each cell type reveals specific cell functions and enhances our understanding of organization and function at the organismal level. Guard cells (GCs) are specialized epid...

2024-09-03 | MTBLS3997 | MetaboLights
MetabolomicsMetabolomics of red-light-induced stomatal opening in Arabidopsis thaliana: Coupling with abscisic acid and jasmonic acid metabolism
Environmental stimuli-triggered stomatal movement is a key physiological process that regulates CO2 uptake and water loss in plants. Stomata are defined by pairs of guard cells that perceive and transduce external signals, leading to cellular volume changes and consequent stomatal apertur...
2022-01-21 | MTBLS1326 | MetaboLights
MetabolomicsMetabolomic Responses of Guard Cells and Mesophyll Cells to Bicarbonate
Anthropogenic CO2 presently at 400 ppm is expected to reach 550 ppm in 2050, an increment expected to affect plant growth and productivity. Paired stomatal guard cells (GCs) are the gate-way for water, CO2, and pathogen, while mesophyll cells (MCs) represent the bulk cell-type of green leaves mainly...
2017-03-31 | MTBLS309 | MetaboLights
MetabolomicsApoplastic metabolomics reveals sugars as mesophyll messengers regulating guard cell ion transport under red light
Here we sought to identify mesophyll messenger(s) that promote stomatal opening under red light. We first established a method to isolate leaf apoplastic fluids from Arabidopsis thaliana and Vicia faba and ascertained that the apoplastic fluid enhances red light-induced stomatal opening. We then app...
2025-06-23 | MTBLS5383 | MetaboLights
TranscriptomicsAgilent data from Arabidopsis thaliana enriched guard cell tissue and leafs.
To identify genes of the guard cell transcriptome of Arabidopsis thaliana enriched guard cell samples were compared with total leaf tissue. Genes of the abscisic acid and humidity response of Arabidopsis thaliana guard cells were identified by treatment with ABA-Spray and low humidity. total samples...
ORGANISM(S): Arabidopsis thaliana 
2013-01-14 | E-GEOD-41054 | biostudies-arrayexpress
TranscriptomicsSucrose modulation of the Arabidopsis thaliana guard-cell transcriptome
Microarrays were used to evaluate the effect of sucrose on gene expression in guard cells. Strips of Arabidopsis leaves were incubated with sucrose or mannitol or no sugars, then the leaves were freeze dried and guard cells were dissected from the leaf strips and analyzed. RNA was extracted from gu...
ORGANISM(S): Arabidopsis thaliana 
2012-11-26 | E-GEOD-37408 | biostudies-arrayexpress
TranscriptomicsTranscription profiling by array of Arabidopsis guard cells and mesophyll cells in response to ABA treatment
Transcriptional profiling of guard cells and mesophyll cells in response to ABA treatment
ORGANISM(S): Arabidopsis thaliana 
2008-02-02 | E-MEXP-1443 | biostudies-arrayexpress
ProteomicsGuard cell proteome - Dawn regulates guard cell proteins in Arabidopsis thaliana that function in ATP production from fatty acid beta-oxidation
Proteome changes that happen in the guard cells during dawn were up till now poorly described. Bad accessibility to pure and intact guard cell samples can be considered as the primary reason behind this lack of knowledge. By elucidating the identities of enzymes that change in abundance by the trans...
ORGANISM(S): Arabidopsis thaliana (Mouse-ear cress) 
2018-11-07 | PXD009918 | Pride
Dawn Arabidopsis Guard cell 
TranscriptomicsGene Expression in Arabidopsis thaliana Guard Cells
Stomata are formed by a pair of specialized guard cells that control the opening and closing of the stomatal pores on the leaf surface. These pores are the main route for microbe penetration into leaves. However, plants show a remarkable ability to close the pore when sensing the presence of microbi...
ORGANISM(S): Arabidopsis thaliana 
2013-07-26 | E-MTAB-4420 | biostudies-arrayexpress
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