ArticleThe Plant cell2007
Chlorophyllase is a rate-limiting enzyme in chlorophyll catabolism and is posttranslationally regulated.
Article in The Plant cell, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 69 papers.
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Who cites it
69 citing papers in PubMed, 247 citations in OpenAlex.
- Article
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- Integrated metabolomic and transcriptomic analysis of the mechanism underlying pericarp variegation inFrontiers in plant science · 2026Article
- Cucumber Green Mottle Mosaic Virus Decreases ChlorophyllPlants (Basel, Switzerland) · 2025Article
- Chlorophyllase (PsCLH1) and light-harvesting chlorophyll a/b binding protein 1 (PsLhcb1) and PsLhcb5 maintain petal greenness in Paeonia suffruticosa 'Lv Mu Yin Yu'.Journal of advanced research · 2025Article
- Pipecolic Acid, a Drought Stress Modulator, Boosts Chlorophyll Assimilation, Photosynthetic Performance, Redox Homeostasis, and Osmotic Adjustment of Drought-AffectedPlants (Basel, Switzerland) · 2025Article
- Comparative physiological and cytological analysis, and omics approach provide clues to the coloring mechanism of the pumpkin yellow stems.BMC plant biology · 2025Article
- Study on the growth characteristics of Pinus yunnanensis seedlings based on hormonal regulation and chlorophyll metabolism.Scientific reports · 2025Article
- Recent Advancements and Trends in Postharvest Application of Edible Coatings on Bananas: A Comprehensive Review.Plants (Basel, Switzerland) · 2025Review
- Preharvest Application of Exogenous 2,4-Epibrassinolide and Melatonin Enhances the Maturity and Flue-Cured Quality of Tobacco Leaves.Plants (Basel, Switzerland) · 2024Article
- Processing of Whole Kernel Tapioca Pearl and Milk Tea BOBA of Fresh Highland Barley: Optimization of Processing Parameters and Quality Evaluation.Foods (Basel, Switzerland) · 2024Article
- Genetic Architecture of Salt Tolerance in Cowpea (International journal of molecular sciences · 2023Article
- Identification of Photosynthesis Characteristics and Chlorophyll Metabolism in Leaves ofInternational journal of molecular sciences · 2023Article
- Transcriptomics and Metabolomics Analysis Provides Insight into Leaf Color and Photosynthesis Variation of the Yellow-Green Leaf Mutant of Hami Melon (Plants (Basel, Switzerland) · 2023Article
- Potential Role of Biochar and Silicon in Improving Physio-Biochemical and Yield Characteristics of Borage Plants under Different Irrigation Regimes.Plants (Basel, Switzerland) · 2023Article
- Article
- Effect of exogenous melatonin on improvement of chlorophyll content and photochemical efficiency of PSII in mallow plants (Physiology and molecular biology of plants : an international journal of functional plant biology · 2023Article
- Grapevine (Vitis vinifera) responses to salt stress and alkali stress: transcriptional and metabolic profiling.BMC plant biology · 2022Article
- Genes, Structural, and Biochemical Characterization of Four Chlorophyllases fromInternational journal of molecular sciences · 2022Article
9 more citing papers are in PubMed but not listed here.
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Authors and funding
11 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Chlorophyll is a central player in harvesting light energy for photosynthesis, yet the rate-limiting steps of chlorophyll catabolism and the regulation of the catabolic enzymes remain unresolved. To study the role and regulation of chlorophyllase (Chlase), the first enzyme of the chlorophyll catabolic pathway, we expressed precursor and mature versions of citrus (Citrus sinensis) Chlase in two heterologous plant systems: (1) squash (Cucurbita pepo) plants using a viral vector expression system; and (2) transiently transformed tobacco (Nicotiana tabacum) protoplasts. Expression of full-length citrus Chlase resulted in limited chlorophyll breakdown in protoplasts and no visible leaf phenotype in whole plants, whereas expression of a Chlase version lacking the N-terminal 21 amino acids (ChlaseDeltaN), which corresponds to the mature protein, led to extensive chlorophyll breakdown in both tobacco protoplasts and squash leaves. ChlaseDeltaN-expressing squash leaves displayed a dramatic chlorotic phenotype in plants grown under low-intensity light, whereas under natural light a lesion-mimic phenotype occurred, which was demonstrated to follow the accumulation of chlorophyllide, a photodynamic chlorophyll breakdown product. Full-length and mature citrus Chlase versions were localized to the chloroplast membrane fraction in expressing tobacco protoplasts, where processing of the N-terminal 21 amino acids appears to occur. Results obtained in both plant systems suggest that Chlase functions as a rate-limiting enzyme in chlorophyll catabolism controlled via posttranslational regulation.
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