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MetabolomicsEndoplasmic reticulum-derived bodies enable a single-cell chemical defense in Brassicaceae plants
Brassicaceae plants have a dual-cell type of chemical defense against herbivory. Here we show a novel single-cell defense involving endoplasmic reticulum (ER)-derived organelles (ER bodies) and the vacuoles. We identify various glucosinolates as endogenous substrates of the ER-body β-glucosidases BG...
2020-02-04 | MTBLS1383 | MetaboLights
MetabolomicsImmune Stimulation via Wounding Alters Chemical Profiles of Adult Tribolium castaneum
Group-living individuals experience immense risk of disease transmission and parasite infection. In social and in some non-social insects, disease control with immunomodulation arises not only via individual immune defenses, but also via infochemicals such as contact cues and (defensive) volatiles t...
2023-04-24 | MTBLS2277 | MetaboLights
MetabolomicsSpecific decorations of 17-hydroxygeranyllinalool diterpene glycosides solve the autotoxicity problem of chemical defense in Nicotiana attenuata
The native diploid tobacco Nicotiana attenuata produces abundant, potent anti-herbivore defense metabolites known as 17-hydroxygeranyllinalool diterpene glycosides (HGL-DTGs) whose glycosylation and malonylation biosynthetic steps are regulated by jasmonate signaling. To characterize the biosyntheti...
2021-10-06 | MTBLS1819 | MetaboLights
MetabolomicsChemical Diversity and Classification of Secondary Metabolites in Nine Bryophyte Species

The central aim in ecometabolomics and chemical ecology is to pinpoint chemical features that explain molecular functioning. The greatest challenge is the identification of compounds due to the lack of constitutive reference spectra, the large number of completely unknown compounds, and bioinform...

2019-12-31 | MTBLS709 | MetaboLights
MetabolomicsSerine synthesis pathway enzyme PHGDH is critical for muscle cell biomass, anabolic metabolism and mTORC1 signaling

Cells use glycolytic intermediates for anabolism e.g., via the serine synthesis and pentose phosphate pathways. However, we still understand poorly how these metabolic pathways contribute to skeletal muscle cell biomass generation. The first aim of this study was therefore to identify enzymes tha...

2025-03-21 | MTBLS8854 | MetaboLights
MetabolomicsDarutigenol alleviates ulcerative colitis via promoting Akkermansia muciniphila-mediated proline synthesis
Gut microbiota dysbiosis is associated with the occurrence and development of inflammatory bowel disease (IBD). Darutigenol (DL) is a natural compound with limited oral bioavailability, but has shown promise in the treatment of ulcerative colitis (UC). However, the precise mechanisms underlying its ...
2025-09-26 | MTBLS10395 | MetaboLights
MetabolomicsComparison of Chemical Compositions in Pseudostellariae Radix from Different Cultivated Fields and Germplasms by NMR-Based Metabolomics
Pseudostellariae Radix (PR) is an important traditional Chinese medicine (TCM), which is consumed commonly for its positive health effects. However, the chemical differences of PR from different cultivated fields and germplasms are still unknown. In order to comprehensively compare the chemical comp...
2018-01-25 | MTBLS399 | MetaboLights
MetabolomicsPlot diversity differentially affects the chemical composition of leaves, roots and root exudates in four subtropical tree species

Plants produce thousands of compounds, collectively called the metabolome, which mediate interactions with other organisms. The metabolome of an individual plant may change according to the number and nature of these interactions. We tested the hypothesis that tree diversity level affects the met...

2021-08-09 | MTBLS1968 | MetaboLights
MetabolomicsThe molecular basis for acetylhistidine synthesis by HisAT/NAT16

Acetylhistidine has been detected in human blood, but its origin and function are not known. It is formed when the acetyl group of acetyl-CoA is transferred to the α-amino group of histidine. Here we identify the intracellular NAT16 as the human histidine acetyltransferase (HisAT) responsible for...

2025-06-03 | MTBLS12070 | MetaboLights
MetabolomicsDarutigenol alleviates colitis through Akkermansia muciniphila-driven intestinal proline synthesis

Background: Gut microbiota dysbiosis is a critical contributor to the pathogenesis and progression of inflammatory bowel disease (IBD). Darutigenol (DL), a natural compound has demonstrated significant anti-inflammatory activity, but its low oral bioavailability limits its application. However, t...

2025-09-27 | MTBLS13054 | MetaboLights
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