Organic acids: the pools of fixed carbon involved in redox regulation and energy balance in higher plants

AU Igamberdiev, AT Eprintsev - Frontiers in plant science, 2016 - frontiersin.org
Organic acids are synthesized in plants as a result of the incomplete oxidation of
photosynthetic products and represent the stored pools of fixed carbon accumulated due to …

Not just a circle: flux modes in the plant TCA cycle

LJ Sweetlove, KFM Beard, A Nunes-Nesi… - Trends in plant …, 2010 - cell.com
The tricarboxylic acid (TCA) cycle is one of the iconic pathways in metabolism. The cycle is
commonly thought of in terms of energy metabolism, being responsible for the oxidation of …

The oxidative pentose phosphate pathway in photosynthesis: a tale of two shunts

Y Xu, SC Schmiege, TD Sharkey - New Phytologist, 2024 - Wiley Online Library
CO2 release in the light (RL) and its presumed source, oxidative pentose phosphate
pathways, were found to be insensitive to CO2 concentration. The oxidative pentose …

The metabolic origins of non-photorespiratory CO2 release during photosynthesis: a metabolic flux analysis

Y Xu, X Fu, TD Sharkey, Y Shachar-Hill… - Plant …, 2021 - academic.oup.com
Respiration in the light (RL) releases CO2 in photosynthesizing leaves and is a
phenomenon that occurs independently from photorespiration. Since RL lowers net carbon …

Closing the loop on the GABA shunt in plants: are GABA metabolism and signaling entwined?

S Michaeli, H Fromm - Frontiers in plant science, 2015 - frontiersin.org
γ-Aminobutyric acid (GABA) is a non-proteinogenic amino acid that is found in uni-and multi-
cellular organisms and is involved in many aspects of plant life cycle. GABA metabolism …

Metabolic Fluxes in an Illuminated Arabidopsis Rosette

M Szecowka, R Heise, T Tohge, A Nunes-Nesi… - The Plant …, 2013 - academic.oup.com
Photosynthesis is the basis for life, and its optimization is a key biotechnological aim given
the problems of population explosion and environmental deterioration. We describe a …

Leaf day respiration: low CO2 flux but high significance for metabolism and carbon balance

G Tcherkez, P Gauthier, TN Buckley, FA Busch… - New …, 2017 - Wiley Online Library
It has been 75 yr since leaf respiratory metabolism in the light (day respiration) was
identified as a low‐flux metabolic pathway that accompanies photosynthesis. In principle, it …

Metabolic control and regulation of the tricarboxylic acid cycle in photosynthetic and heterotrophic plant tissues

WL Araujo, A NUNES‐NESI, Z Nikoloski… - Plant, cell & …, 2012 - Wiley Online Library
The tricarboxylic acid (TCA) cycle is a crucial component of respiratory metabolism in both
photosynthetic and heterotrophic plant organs. All of the major genes of the tomato TCA …

Isotopically nonstationary 13C flux analysis of changes in Arabidopsis thaliana leaf metabolism due to high light acclimation

F Ma, LJ Jazmin, JD Young… - Proceedings of the …, 2014 - National Acad Sciences
Improving plant productivity is an important aim for metabolic engineering. There are few
comprehensive methods that quantitatively describe leaf metabolism, although such …

Role of GABA in plant growth, development and senescence

MIR Khan, SU Jalil, P Chopra, H Chhillar, A Ferrante… - Plant Gene, 2021 - Elsevier
The γ-aminobutyric acid (GABA), is a non-proteinogenic, four carbon amino acid having
multifaceted roles in both plants and animals. It plays an important role in plant growth and …