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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
MetabolomicsRedox proteomics reveal a role for peroxiredoxinylation in stress protection.

The redox state of proteins is essential for their function and guarantees cell fitness. Peroxiredoxins protect cells against oxidative stress, maintain redox homeostasis, act as chaperones, and transmit hydrogen peroxide signals to redox regulators. Despite the profound structural and functional...

2025-07-17 | MTBLS11979 | MetaboLights
TranscriptomicsGlobal absolute quantification reveals tight regulation of protein expression in single Xenopus eggs
Recent developments in genomic sequencing technology have enabled comprehensive transcriptome analyses of single cells. In contrast, single cell proteomics analyses have been restricted to targeted analyses, for example using flow cytometry with GFP fusions or mass cytometry. Here, we performed glob...
ORGANISM(S): Xenopus laevis 
2014-08-04 | E-GEOD-56586 | biostudies-arrayexpress
ProteomicsQuantitative Single-Cell Proteomics as a Tool to Characterize Cellular Hierarchies
Large-scale single-cell analyses are of fundamental importance in order to capture biological heterogeneity within complex cell systems, but have largely been limited to RNA-based technologies. Here we present a comprehensive benchmarked experimental and computational workflow, which establishes glo...
ORGANISM(S): Homo Sapiens (ncbitaxon:9606) 
2022-10-21 | MSV000090570 | MassIVE
ProteomicsSingle-cell proteomics differentiates Arabidopsis root cell types
Here we explore the feasibility of single-cell proteomics on plant samples. We focus on Arabidopsis thaliana, examining isolated single cells from the cortex and endodermis, which are two adjacent root cell-types derived from a common stem cell.
ORGANISM(S): Arabidopsis Thaliana (ncbitaxon:3702) 
2024-04-17 | MSV000094558 | MassIVE
ProteomicsEvaluating linear ion trap incorporation for MS3-based multiplexed single-cell proteomics
The project aims to evaluate the use of a linear ion trap to increase the sensitivity of multiplexed single-cell proteomics. Using diluted mouse peptide samples from C10 and Raw, we compared the proteome coverages, data missingness, and quantification performance between linear ion trap and Orbitrap...
ORGANISM(S): Mus Musculus (ncbitaxon:10090) 
2022-08-22 | MSV000090178 | MassIVE
ProteomicsAn intelligent Boosting to Amplify Signal with Isobaric Labeling (iBASIL) strategy for precise quantitative single-cell proteomics
Mass spectrometry (MS)-based proteomics has great potential for overcoming the limitations of antibody-based immunoassays for antibody-independent, comprehensive, and quantitative proteomic analysis of single cells. Indeed, recent advances in nanoscale sample preparation have enabled effective proce...
ORGANISM(S): Homo Sapiens (human) 
2020-03-05 | PXD016057 | JPOST Repository
ProteomicsIon mobility fractionation enhanced mass spectrometry acquisition method for single-cell proteomics
Development and evaluation of the TIFF (Transferring Identification based on FAIMS Fractionation) method by benchmarking with standard methods. Single HeLa cells, LPS-treated RAW cells, and non-depleted human lung dissociated single cells were analyzed as applications of the TIFF method for single c...
ORGANISM(S): Homo Sapiens (ncbitaxon:9606) Mus Musculus (ncbitaxon:10090) 
2020-08-10 | MSV000085937 | MassIVE
TranscriptomicsSingle-cell RNA-seq of human breast tumor samples with exhausted and non-exhausted immune environments
Fresh human breast tumor tissue was dissociated into single cells and viably frozen. Patient samples were annotated as having an ""exhausted"" or ""non-exhausted"" immune environment based on CyTOF characterization of T cell phenotypes (Wagner et al, Cell 2019). 14 samples (7 exhausted, 7 non-exhaus...
ORGANISM(S): Homo sapiens 
2023-08-25 | E-MTAB-10607 | biostudies-arrayexpress
ProteomicsSingle Cell Proteoform Analysis Using scPiMS
We introduce single-cell Proteoform imaging Mass Spectrometry (scPiMS), which realizes the benefit of direct solvent extraction and MS detection of intact proteins from single cells drop casted onto glass slides. Sampling and detection of whole proteoforms by individual ion mass spectrometry enables...
ORGANISM(S): Mus Musculus (ncbitaxon:10090) 
2024-02-02 | MSV000093994 | MassIVE
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