ArticleJournal of experimental botany2017
Responses of Ottelia alismoides, an aquatic plant with three CCMs, to variable CO2 and light.
Article in Journal of experimental botany, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 48 citations in OpenAlex.
- Advancing our understanding of photosynthesis: discoveries and insights from aquatic plants.Synthetic and systems biotechnology · 2027Review
- Diel net COPlant biology (Stuttgart, Germany) · 2026Article
- Uncovering the Secrets of How Plants Adapt to Water Stress.Plant, cell & environment · 2026Review
- A novel single-cell NAD-ME CThe New phytologist · 2026Article
- Inorganic carbon utilization strategies of plateau aquatic plants in response to native habitats.Photosynthesis research · 2024Article
- The CAM lineages of planet Earth.Annals of botany · 2023Article
- Different photosynthetic inorganic carbon utilization strategies in the heteroblastic leaves of an aquatic plantFrontiers in plant science · 2023Article
- Carbon and nitrogen metabolic regulation in freshwater plantFrontiers in plant science · 2022Article
- Transition From Proto-Kranz-Type Photosynthesis to HCOFrontiers in plant science · 2021Article
- Article
- Structural basis for C4 photosynthesis without Kranz anatomy in leaves of the submerged freshwater plant Ottelia alismoides.Annals of botany · 2020Article
- Insights on the Functions and Ecophysiological Relevance of the Diverse Carbonic Anhydrases in Microalgae.International journal of molecular sciences · 2020Review
- Responses of Leaf Anatomy and COFrontiers in plant science · 2020Article
- Different COPhotosynthesis research · 2018Article
- The intracellular distribution of inorganic carbon fixing enzymes does not support the presence of a C4 pathway in the diatom Phaeodactylum tricornutum.Photosynthesis research · 2018Article
- The Analysis of Leaf Traits of EightFrontiers in plant science · 2018Article
- Overcoming adversity through diversity: aquatic carbon concentrating mechanisms.Journal of experimental botany · 2017Article
Corrections and comments
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Authors and funding
7 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ottelia alismoides is a constitutive C4 plant and bicarbonate user, and has facultative crassulacean acid metabolism (CAM) at low CO2. Acclimation to a factorial combination of light and CO2 showed that the ratio of phosphoenolpyruvate carboxylase (PEPC) to ribulose-bisphosphate carboxylase/oxygenase (Rubisco) (>5) is in the range of that of C4 plants. This and short-term response experiments showed that the activity of PEPC and pyruvate phosphate dikinase (PPDK) was high even at the end of the night, consistent with night-time acid accumulation and daytime carbon fixation. The diel acidity change was maximal at high light and low CO2 at 17-25 µequiv g-1 FW. Decarboxylation proceeded at ~2-3 µequiv g-1 FW h-1, starting at the beginning of the photoperiod, but did not occur at high CO2; the rate was greater at high, compared with low light. There was an inverse relationship between starch formation and acidity loss. Acidity changes account for up to 21% of starch production and stimulate early morning photosynthesis, but night-time accumulation of acid traps <6% of respiratory carbon release. Ottelia alismoides is the only known species to operate CAM and C4 in the same tissue, and one of only two known aquatic species to operate CAM and bicarbonate use.
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