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Improved protocol for metabolite extraction and identification of respiratory quinones in extremophilic Archaea grown on mineral materials.
Front Microbiol
January 2025
UPR4301 Centre de Biophysique Moléculaire (CBM), Orléans, France.
We investigated the metabolome of the iron- and sulfur-oxidizing, extremely thermoacidophilic archaeon grown on mineral pyrite (FeS). The extraction of organic materials from these microorganisms is a major challenge because of the tight contact and interaction between cells and mineral materials. Therefore, we applied an improved protocol to break the microbial cells and separate their organic constituents from the mineral surface, to extract lipophilic compounds through liquid-liquid extraction, and performed metabolomics analyses using MALDI-TOF MS and UHPLC-UHR-Q/TOF.
View Article and Find Full Text PDFComparison of nanoLC-MALDI-MS/MS with nanoLC-TIMS-MS/MS in the proteomic analysis of extracellular vesicles of bronchoalveolar lavage fluid.
Anal Methods
January 2025
Department of Medical Physics, M. Smoluchowski Institute of Physics, Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Krakow, Poland.
The study aims to evaluate and compare two advanced proteomic techniques, nanoLC-MALDI-MS/MS and nanoLC-TIMS-MS/MS, in characterizing extracellular vesicles (EVs) from the bronchoalveolar lavage fluid (BALF) of patients with asthma and idiopathic pulmonary fibrosis (IPF). Pulmonary diseases, driven by pollutants and infections, often necessitate detailed analysis of BALF to identify diagnostic biomarkers and therapeutic targets. EVs, which include exosomes, microvesicles, and apoptotic bodies, are isolated using filtration and ultracentrifugation, and their morphology, concentration, and size distribution are assessed through transmission electron microscopy (TEM) and nanoparticle tracking analysis (NTA).
View Article and Find Full Text PDFDecrypting proteomics, transcriptomics, genomics, and integrated omics for augmenting the abiotic, biotic, and climate change stress resilience in plants.
J Plant Physiol
January 2025
Department of Botany, University of Delhi, New Delhi, 110007, Delhi, India. Electronic address:
As our planet faces increasing environmental challenges, such as biotic pressures, abiotic stressors, and climate change, it is crucial to understand the complex mechanisms that underlie stress responses in crop plants. Over past few years, the integration of techniques of proteomics, transcriptomics, and genomics like LC-MS, IT-MS, MALDI-MS, DIGE, ESTs, SAGE, WGS, GWAS, GBS, 2D-PAGE, CRISPR-Cas, cDNA-AFLP, HLS, HRPF, MPSS, CAGE, MAS, IEF, MudPIT, SRM/MRM, SWATH-MS, ESI have significantly enhanced our ability to comprehend the molecular pathways and regulatory networks, involved in balancing the ecosystem/ecology stress adaptation. This review offers thorough synopsis of the current research on utilizing these multi-omics methods (including metabolomics, ionomics) for battling abiotic (salinity, temperature (chilling/freezing/cold/heat), flood (hypoxia), drought, heavy metals/loids), biotic (pathogens like fungi, bacteria, virus, pests, and insects (aphids, caterpillars, moths, mites, nematodes) and climate change stress (ozone, ultraviolet radiation, green house gases, carbon dioxide).
View Article and Find Full Text PDFLeuconostoc mesenteroides strain MS4-derived bacteriocins: A potent antimicrobial arsenal for controlling Xylella fastidiosa infection.
Microbiol Res
January 2025
International Centre for Advanced Mediterranean Agronomic Studies (CIHEAM of Bari), Via Ceglie 9, Valenzano, Bari 70010, Italy; National Research Council of Italy (CNR), Institute for Sustainable Plant Protection (IPSP), Piazzale Enrico Fermi, 1, Portici, Naples 80055, Italy. Electronic address:
Xylella fastidiosa subsp. pauca (Xfp) currently presents a serious threat to agriculture in Europe and in the Mediterranean, following its discovery in several countries. Addressing this bacterial plant disease with traditional agricultural practices and management strategies has proven inadequate, highlighting the urgent need for effective and environmentally safe antibacterial solutions.
View Article and Find Full Text PDFGold-Modified Covalent Organic Frameworks-Assisted Laser Desorption/Ionization Mass Spectrometry for Analysis of Metabolites Induced by Triclosan Exposure.
ACS Appl Mater Interfaces
January 2025
Ministry of Education Key Laboratory of Analytical Science for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China.
Matrix-assisted laser desorption/ionization (MALDI) mass spectrometry (MS) holds great promise for the rapid and sensitive detection of biomolecules, but its precise detection of small molecule metabolites is hindered by severe background interference from the organic matrix in the low molecular weight range. To address this issue, nanomaterials have commonly been utilized as substrates in LDI-MS. Among them, covalent organic frameworks (COFs), known for their unique optical absorption and structural properties, have garnered significant attention.
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