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MetabolomicsOverexpression of Brassica napus COMT1 in Arabidopsis heightens UV-B-mediated resistance to Plutella xylostella herbivory

UV-B radiation regulates numerous morphogenic, biochemical and physiological responses in plants, and can stimulate some responses typically associated with other abiotic and biotic stimuli, including invertebrate herbivory. Removal of UV-B from the growing environment of various plant species ha...

2023-08-14 | MTBLS8236 | MetaboLights
MetabolomicsPRDM15 is a master regulator of metabolism essential to sustain B-cell lymphomagenesis
PRDM family members are sequence-specific transcriptional regulators involved in cell identity and fate determination and are often dysregulated in cancer. The PRDM15 gene is of particular interest, given its relatively low expression in adult tissues and its overexpression in follicular lymphomas (...
2025-06-16 | MTBLS1639 | MetaboLights
MetabolomicsMitochondrial respiration in B lymphocytes is essential for humoral immunity by controlling flux of the TCA cycle

To elucidate the function of oxidative phosphorylation (OxPhos) during B-cell differentiation we employ CD23Cre-driven expression of the dominant-negative K320E mutant of the mitochondrial helicase Twinkle (DNT). DNT-expression depletes mitochondrial DNA during B cell maturation, reduces the abun...

2026-08-21 | MTBLS4647 | MetaboLights
MetabolomicsMetabolic Characteristics of Schisantherin B in Mice with Metabolic-Associated Fatty Liver Disease

Objectives: To observe the pharmacokinetic differences of schisantherin B (STB) in the blood and liver of normal and metabolic-associated fatty liver disease (MAFLD) mice, as well as the changes in CYP450 enzymes in MAFLD mice. Methods: A MAFLD model was established in C57 mice fed with a high-fa...

2025-10-29 | MTBLS13232 | MetaboLights
MetabolomicsGREM1 Deficiency induced Bone Marrow Adipose Niche promotes B-cell Acute Lymphoblastic Leukemia Disease Progression
Relapse and disease progression are the primary causes of treatment failure and subsequent mortality in children B-cell acute lymphocytic leukemia (B-ALL). At diagnosis and during treatment, the bone marrow adipose microenvironment is commonly observed in pediatric leukemia. However, the relationshi...
2024-09-23 | MTBLS10103 | MetaboLights
MetabolomicsSeed Metabolome Analysis of a Transgenic Rice Line Expressing Cholera Toxin B-subunit
Rice (Oryza sativa L.) is a candidate crop for production of plant-based vaccines by genetic engineering technologies. MucoRice-CTB has been developed as a rice-seed-based vaccine against cholera by transgenic expression of modified cholera toxin B-subunit (CTB) under the RNA interference (RNAi)-med...
2017-08-30 | MTBLS437 | MetaboLights
TranscriptomicsSigma factor B (sigB) response to stress conditions (0.05% SDS and 5mM Diamide)
The numerous sigma factors present in Mycobacterium tuberculosis (MTB) are indicative of adaptability to different environmental conditions. In this report we describe the sigma factor B (sigB) regulon and the phenotypes of a MTB sigB mutant strain exposed to different stresses like SDS and Diamide....
ORGANISM(S): Mycobacterium tuberculosis 
2010-06-25 | E-GEOD-15976 | biostudies-arrayexpress
MetabolomicsEnhanced fatty acid synthesis by Sigma28 in stringent responses contributes to multidrug resistance and biofilm formation in Helicobacter pylori

The metabolism of bacteria is closely associated with antibiotic resistance, yet the role of metabolism in the resistance of Helicobacter pylori remains unclear. In this study, we conducted integrated analysis using transcriptomics and non-targeted metabolomics to investigate the metabolic change...

2024-06-26 | MTBLS9981 | MetaboLights
MetabolomicsAmphotericin B resistance in Leishmania mexicana: Alterations to sterol metabolism, lipid transport and oxidative stress response

Amphotericin B is increasingly used in treatment of leishmaniasis. Here, fourteen independent lines of Leishmania mexicana and one L. infantum line were selected for resistance to either amphotericin B or the related polyene antimicrobial, nystatin. Sterol profiling revealed tha...

2022-09-22 | MTBLS2744 | MetaboLights
TranscriptomicsA novel extracytoplasmic function (ECF) sigma factor regulates virulence in Pseudomonas aeruginosa
Next to the two-component and quorum sensing systems, cell-surface signaling (CSS) has been recently identified as an important regulatory system in Pseudomonas aeruginosa. CSS senses signals from outside the cell and transmits them into the cytoplasm. It consists of a TonB-dependent outer membrane ...
ORGANISM(S): Pseudomonas aeruginosa 
2009-04-21 | E-GEOD-15697 | biostudies-arrayexpress
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