Ins and outs of the TCA cycle: the central role of anaplerosis

M Inigo, S Deja, SC Burgess - Annual review of nutrition, 2021 - annualreviews.org
The reactions of the tricarboxylic acid (TCA) cycle allow the controlled combustion of fat and
carbohydrate. In principle, TCA cycle intermediates are regenerated on every turn and can …

A guide to 13C metabolic flux analysis for the cancer biologist

MR Antoniewicz - Experimental & molecular medicine, 2018 - nature.com
Cancer metabolism is significantly altered from normal cellular metabolism allowing cancer
cells to adapt to changing microenvironments and maintain high rates of proliferation. In the …

Carbon source availability drives nutrient utilization in CD8+ T cells

I Kaymak, KM Luda, LR Duimstra, EH Ma, J Longo… - Cell metabolism, 2022 - cell.com
How environmental nutrient availability impacts T cell metabolism and function remains
poorly understood. Here, we report that the presence of physiologic carbon sources (PCSs) …

Switching to the cyclic pentose phosphate pathway powers the oxidative burst in activated neutrophils

EC Britt, J Lika, MA Giese, TJ Schoen, GL Seim… - Nature …, 2022 - nature.com
Neutrophils are cells at the frontline of innate immunity that can quickly activate effector
functions to eliminate pathogens upon stimulation. However, little is known about the …

Daylength variation affects growth, photosynthesis, leaf metabolism, partitioning, and metabolic fluxes

Y Xu, AA Koroma, SE Weise, X Fu, TD Sharkey… - Plant …, 2024 - academic.oup.com
Daylength, a seasonal and latitudinal variable, exerts a substantial impact on plant growth.
However, the relationship between daylength and growth is nonproportional, suggesting the …

Cystine transporter regulation of pentose phosphate pathway dependency and disulfide stress exposes a targetable metabolic vulnerability in cancer

X Liu, K Olszewski, Y Zhang, EW Lim, J Shi… - Nature cell …, 2020 - nature.com
SLC7A11-mediated cystine uptake is critical for maintaining redox balance and cell survival.
Here we show that this comes at a significant cost for cancer cells with high levels of …

Reimport of carbon from cytosolic and vacuolar sugar pools into the Calvin–Benson cycle explains photosynthesis labeling anomalies

Y Xu, T Wieloch, JAM Kaste… - Proceedings of the …, 2022 - National Acad Sciences
When isotopes of carbon are fed to photosynthesizing leaves, metabolites of the Calvin–
Benson cycle (CBC) are rapidly labeled initially, but then the rate of labeling slows …

Serine restriction alters sphingolipid diversity to constrain tumour growth

T Muthusamy, T Cordes, MK Handzlik, L You, EW Lim… - Nature, 2020 - nature.com
Serine, glycine and other nonessential amino acids are critical for tumour progression, and
strategies to limit their availability are emerging as potential therapies for cancer,–. However …

Integrated flux and pool size analysis in plant central metabolism reveals unique roles of glycine and serine during photorespiration

X Fu, LM Gregory, SE Weise, BJ Walker - Nature Plants, 2023 - nature.com
Photorespiration is an essential process juxtaposed between plant carbon and nitrogen
metabolism that responds to dynamic environments. Photorespiration recycles inhibitory …

Acetate reprograms gut microbiota during alcohol consumption

C Martino, LS Zaramela, B Gao, M Embree… - Nature …, 2022 - nature.com
Liver damage due to chronic alcohol use is among the most prevalent liver diseases.
Alcohol consumption frequency is a strong factor of microbiota variance. Here we use …