Stable isotopes in tree rings: towards a mechanistic understanding of isotope fractionation and mixing processes from the leaves to the wood

A Gessler, JP Ferrio, R Hommel, K Treydte… - Tree …, 2014 - academic.oup.com
The mechanistic understanding of isotope fractionation processes is increasing but we still
lack detailed knowledge of the processes that determine the isotopic composition of the tree …

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 …

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 …

Storage of carbon reserves in spruce trees is prioritized over growth in the face of carbon limitation

J Huang, A Hammerbacher… - Proceedings of the …, 2021 - National Acad Sciences
Climate change is expected to pose a global threat to forest health by intensifying extreme
events like drought and insect attacks. Carbon allocation is a fundamental process that …

CAM photosynthesis: the acid test

K Winter, JAC Smith - New Phytologist, 2022 - Wiley Online Library
There is currently considerable interest in the prospects for bioengineering crassulacean
acid metabolism (CAM) photosynthesis–or key elements associated with it, such as …

Recovery of trees from drought depends on belowground sink control

F Hagedorn, J Joseph, M Peter, J Luster, K Pritsch… - Nature plants, 2016 - nature.com
Climate projections predict higher precipitation variability with more frequent dry extremes 1.
CO 2 assimilation of forests decreases during drought, either by stomatal closure 2 or by …

13C fractionation at the root–microorganisms–soil interface: a review and outlook for partitioning studies

M Werth, Y Kuzyakov - Soil Biology and Biochemistry, 2010 - Elsevier
Natural variations of the 13C/12C ratio have been frequently used over the last three
decades to trace C sources and fluxes between plants, microorganisms, and soil. Many of …

Carbon allocation and carbon isotope fluxes in the plant-soil-atmosphere continuum: a review

N Brüggemann, A Gessler, Z Kayler, SG Keel… - …, 2011 - bg.copernicus.org
The terrestrial carbon (C) cycle has received increasing interest over the past few decades,
however, there is still a lack of understanding of the fate of newly assimilated C allocated …

The remarkable diversity of plant PEPC (phosphoenolpyruvate carboxylase): recent insights into the physiological functions and post-translational controls of non …

B O'Leary, J Park, WC Plaxton - Biochemical Journal, 2011 - portlandpress.com
PEPC [PEP (phosphoenolpyruvate) carboxylase] is a tightly controlled enzyme located at
the core of plant C-metabolism that catalyses the irreversible β-carboxylation of PEP to form …

Why are non-photosynthetic tissues generally 13C enriched compared with leaves in C3 plants? Review and synthesis of current hypotheses

LA Cernusak, G Tcherkez, C Keitel… - Functional Plant …, 2009 - CSIRO Publishing
Non-photosynthetic, or heterotrophic, tissues in C3 plants tend to be enriched in 13C
compared with the leaves that supply them with photosynthate. This isotopic pattern has …