ArticleThe Plant cell2005
The N-terminal domain of chlorophyllide a oxygenase confers protein instability in response to chlorophyll B accumulation in Arabidopsis.
Article in The Plant cell, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers.
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Who cites it
53 citing papers in PubMed.
- Chlorophyllide a Oxygenase (CAO) Gene Duplication Across the Viridiplantae.Journal of molecular evolution · 2025Article
- The NAC transcription factor ATAF2 enhances Arabidopsis biomass and chlorophyll a accumulations at the early growth stage.BMC research notes · 2025Article
- Regulatory and retrograde signaling networks in the chlorophyll biosynthetic pathway.Journal of integrative plant biology · 2025Review
- Physiological, biochemical and elemental responses of grafted grapevines under drought stress: insights into tolerance mechanisms.BMC plant biology · 2025Article
- Light quality affects chlorophyll biosynthesis and photosynthetic performance in Antarctic Chlamydomonas.Photosynthesis research · 2025Article
- Cytological, Physiological, and Transcriptome Analysis of Leaf-Yellowing Mutant inInternational journal of molecular sciences · 2024Article
- A comprehensive assessment of photosynthetic acclimation to shade in C4 grass (Cynodon dactylon (L.) Pers.).BMC plant biology · 2024Article
- Knockout of the Chlorophyll a Oxygenase GeneGenes · 2024Article
- Reduced expression of chlorophyllidePhysiology and molecular biology of plants : an international journal of functional plant biology · 2024Article
- Identification of Photosynthesis Characteristics and Chlorophyll Metabolism in Leaves ofInternational journal of molecular sciences · 2023Article
- Structural Characterization of the Chlorophyllide a Oxygenase (CAO) Enzyme Through an In Silico Approach.Journal of molecular evolution · 2023Article
- Effect of the Enhanced Production of ChlorophyllInternational journal of molecular sciences · 2023Article
- Salt stress in plants and amelioration strategies: alleviation of agriculture and livelihood risks after the Covid-19 pandemic.Vegetos (Bareilly, India) · 2023Article
- The effects of soil drought stress on growth characteristics, root system, and tissue anatomy ofPeerJ · 2023Article
- λ-Carrageenan promotes plant growth in banana via enhancement of cellular metabolism, nutrient uptake, and cellular homeostasis.Scientific reports · 2022Article
- Rieske Oxygenase Catalyzed C-H Bond Functionalization Reactions in ChlorophyllACS central science · 2022Article
- Identification of a biomass unaffected pale green mutant gene in Chinese cabbage (Brassica rapa L. ssp. pekinensis).Scientific reports · 2022Article
- Review
- Methyl Jasmonate Protects the PS II System by Maintaining the Stability of Chloroplast D1 Protein and Accelerating Enzymatic Antioxidants in Heat-Stressed Wheat Plants.Antioxidants (Basel, Switzerland) · 2021Article
- Effect of chlorophyll biosynthesis-related genes on the leaf color in Hosta (Hosta plantaginea Aschers) and tobacco (Nicotiana tabacum L.).BMC plant biology · 2021Article
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4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plants acclimate to variations in light intensity by changing the antenna size of photosystems. This acclimation allows them to undergo efficient photosynthesis and creates a protective strategy to minimize photodamage. Chlorophyll b synthesis by chlorophyllide a oxygenase (CAO) is a key regulatory step in the control of antenna size. Recently, we found that higher plant CAOs consist of three domains (A, B, and C domains) and confirmed that the C domain possesses catalytic function. To investigate the function of the A domain, we fused various combinations of these three domains with green fluorescent protein (GFP) and introduced them into Arabidopsis thaliana. When a full-length CAO-GFP fusion protein was introduced into a chlorophyll b-less chlorina1-1 mutant, chlorophyll b accumulated to almost the same levels as in the chlorophyll b-containing Columbia wild type, but the CAO-GFP could not be detected by immunoblotting. By contrast, when a GFP-C domain fusion was introduced into chlorina1-1 or Columbia wild type, a large amount of GFP-C domain protein accumulated and the chlorophyll a/b ratio decreased drastically from 3.6 to 2.2 in Columbia wild type. When an A domain-GFP was introduced into Columbia wild type, A domain-GFP levels were very low. Conversely, a large amount of the protein accumulated when it was introduced into the chlorina1-1 mutant. These results indicate that the A domain may sense the presence of chlorophyll b and regulate the accumulation of CAO protein in the chloroplasts.
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