Skip to content
Snippets Groups Projects

Compare revisions

Changes are shown as if the source revision was being merged into the target revision. Learn more about comparing revisions.

Source

Select target project
No results found

Target

Select target project
  • hhu-plant-biochemistry/Brilhaus-2016-Talinum
1 result
Show changes
Commits on Source (2)
......@@ -7,6 +7,12 @@ Brilhaus, D., Bräutigam, A., Mettler-Altmann, T., Winter, K., and Weber, A.P.M.
https://doi.org/10.1104/pp.15.01076
## Abstract
Drought tolerance is a key factor for agriculture in the 21st century as it is a major determinant of plant survival in natural ecosystems as well as crop productivity. Plants have evolved a range of mechanisms to cope with drought, including a specialized type of photosynthesis termed Crassulacean acid metabolism (CAM). CAM is associated with stomatal closure during the day as atmospheric CO₂ is assimilated primarily during the night, thus reducing transpirational water loss. The tropical herbaceous perennial species *Talinum triangulare* is capable of transitioning, in a facultative, reversible manner, from C₃ photosynthesis to weakly expressed CAM in response to drought stress. The transcriptional regulation of this transition has been studied. Combining mRNA-Seq with targeted metabolite measurements, we found highly elevated levels of CAM-cycle enzyme transcripts and their metabolic products in *T. triangulare* leaves upon water deprivation. The carbohydrate metabolism is rewired to reduce the use of reserves for growth to support the CAM-cycle and the synthesis of compatible solutes. This large-scale expression dataset of drought-induced CAM demonstrates transcriptional regulation of the C₃–CAM transition. We identified candidate transcription factors to mediate this photosynthetic plasticity, which may contribute in the future to the design of more drought-tolerant crops via engineered CAM.
<img src=./_publication/plphys_v170_1_102_f1.jpeg width=50%>
## License
© 2016 American Society of Plant Biologists. All Rights Reserved.
......
_publication/plphys_v170_1_102_f1.jpeg

114 KiB