ArticleJournal of experimental botany2017
Coordinated regulation of photosynthetic and respiratory components is necessary to maintain chloroplast energy balance in varied growth conditions.
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 31 papers.
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Who cites it
31 citing papers in PubMed, 56 citations in OpenAlex.
- Alternative oxidase and ethylene form a positive feed-forward loop in mitochondrial retrograde signaling.Plant communications · 2026Article
- Mechanistic Insights into Cytokinin-Regulated Leaf Senescence in Barley: Genotype-Specific Responses in Physiology and Protein Stability.International journal of molecular sciences · 2025Article
- Progressive Water Deficit Impairs Soybean Growth, Alters Metabolic Profiles, and Decreases Photosynthetic Efficiency.Plants (Basel, Switzerland) · 2025Article
- Cytochrome c oxidase inactivation in Physcomitrium patens reveals that respiration coordinates plant metabolism.The Plant cell · 2025Article
- Multiple Roles of Glycerate Kinase-From Photorespiration to Gluconeogenesis, CInternational journal of molecular sciences · 2024Review
- Decreased Photosynthetic Efficiency inPlants (Basel, Switzerland) · 2024Article
- Exacerbation of drought-induced physiological and biochemical changes in leaves ofJournal of biosciences · 2024Article
- Mitochondria in photosynthetic cells: Coordinating redox control and energy balance.Plant physiology · 2023Article
- Coordinated regulation of the mitochondrial retrograde response by circadian clock regulators and ANAC017.Plant communications · 2023Article
- Co-regulation of mitochondrial and chloroplast function: Molecular components and mechanisms.Plant communications · 2023Review
- Alternative or cytochrome? Respiratory pathways in traps of aquatic carnivorous bladderwortPlant signaling & behavior · 2022Article
- Article
- Effects of partial replacement of red by green light in the growth spectrum on photomorphogenesis and photosynthesis in tomato plants.Photosynthesis research · 2022Article
- Alternative oxidase (AOX) in the carnivorous pitcher plants of the genus Nepenthes: what is it good for?Annals of botany · 2022Article
- Establishing an efficient protoplast transient expression system for investigation of floral thermogenesis in aroids.Plant cell reports · 2022Article
- The Lack of Alternative Oxidase 1a RestrictsFrontiers in plant science · 2022Article
- Inactivation of mitochondrial complex I stimulates chloroplast ATPase in Physcomitrium patens.Plant physiology · 2021Article
- Zinc toxicity in plants: a review.Planta · 2021Review
- Mitochondrial redox systems as central hubs in plant metabolism and signaling.Plant physiology · 2021Review
- The gene expression profiles of mitochondrial respiratory components in Arabidopsis plants with differing amounts ofPlant signaling & behavior · 2021Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Mitochondria have a non-energy-conserving alternative oxidase (AOX) proposed to support photosynthesis, perhaps by promoting energy balance under varying growth conditions. To investigate this, wild-type (WT) Nicotiana tabacum were compared with AOX knockdown and overexpression lines. In addition, the amount of AOX protein in WT plants was compared with that of chloroplast light-harvesting complex II (LHCB2), whose amount is known to respond to chloroplast energy status. With increased growth irradiance, WT leaves maintained higher rates of respiration in the light (RL), but no differences in RL or photosynthesis were seen between the WT and transgenic lines, suggesting that, under non-stress conditions, AOX was not critical for leaf metabolism, regardless of growth irradiance. However, under drought, the AOX amount became an important determinant of RL, which in turn was an important determinant of chloroplast energy balance (measured as photosystem II excitation pressure, EP), and photosynthetic performance. In the WT, the AOX amount increased and the LHCB2 amount decreased with increased growth irradiance or drought severity. These changes in protein amounts correlated strongly, in opposing ways, with growth EP. This suggests that a signal deriving from the photosynthetic electron transport chain status coordinately controls the amounts of AOX and LHCB2, which then both contribute to maintaining chloroplast energy balance, particularly under stress conditions.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.