ArticlePlant physiology2007
The COMATOSE ATP-binding cassette transporter is required for full fertility in Arabidopsis.
Article in Plant physiology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 50 papers.
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Who cites it
50 citing papers in PubMed, 102 citations in OpenAlex.
- Structural insights into Arabidopsis thaliana CTS-mediated fatty acid and hormone metabolism.Nature communications · 2026Article
- mTACT: A cell type-specific transportome-scale amiRNA toolbox to overcome functional redundancy in Arabidopsis.Plant physiology · 2026Article
- Arachis hypogaea monoacylglycerol lipase AhMAGL3b participates in lipid metabolism.BMC plant biology · 2024Article
- Plant Hormonomics: A Key Tool for Deep Physiological Phenotyping to Improve Crop Productivity.Plant & cell physiology · 2023Review
- Parthenocarpy-related genes induced by naphthalene acetic acid in oil palm interspecific O × G [Frontiers in genetics · 2023Article
- Genome-Wide Association Studies for Sex Determination and Cross-Compatibility in Water Yam (Plants (Basel, Switzerland) · 2021Article
- Peroxisomal ABC Transporters: An Update.International journal of molecular sciences · 2021Review
- Evolution of adrenoleukodystrophy model systems.Journal of inherited metabolic disease · 2021Review
- Deficiencies in the formation and regulation of anther cuticle and tryphine contribute to male sterility in cotton PGMS line.BMC genomics · 2020Article
- TMT-Based Quantitative Proteomic Analysis Reveals the Crucial Biological Pathways Involved in Self-Incompatibility Responses inInternational journal of molecular sciences · 2020Article
- JASSY, a chloroplast outer membrane protein required for jasmonate biosynthesis.Proceedings of the National Academy of Sciences of the United States of America · 2019Article
- Transporter-Mediated Subcellular Distribution in the Metabolism and Signaling of Jasmonates.Frontiers in plant science · 2019Article
- Towards Identification of the Substrates of ATP-Binding Cassette Transporters.Plant physiology · 2018Review
- Article
- Comparative Proteomics Analyses of Pollination Response in Endangered Orchid Species Dendrobium Chrysanthum.International journal of molecular sciences · 2017Article
- Importance of organellar proteins, protein translocation and vesicle transport routes for pollen development and function.Plant reproduction · 2016Review
- Pollen-Specific Aquaporins NIP4;1 and NIP4;2 Are Required for Pollen Development and Pollination in Arabidopsis thaliana.The Plant cell · 2016Article
- Defects in Peroxisomal 6-Phosphogluconate Dehydrogenase Isoform PGD2 Prevent Gametophytic Interaction in Arabidopsis thaliana.Plant physiology · 2016Article
- Enhancement of α-linolenic acid content in transgenic tobacco seeds by targeting a plastidial ω-3 fatty acid desaturase (fad7) gene of Sesamum indicum to ER.Plant cell reports · 2016Article
- Knockout of the two evolutionarily conserved peroxisomal 3-ketoacyl-CoA thiolases in Arabidopsis recapitulates the abnormal inflorescence meristem 1 phenotype.Journal of experimental botany · 2014Article
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Authors and funding
7 authors at 4 institutions in 2 countries.
Funding
Abstract
COMATOSE (CTS) encodes a peroxisomal ATP-binding cassette transporter required not only for beta-oxidation of storage lipids during germination and establishment, but also for biosynthesis of jasmonic acid and conversion of indole butyric acid to indole acetic acid. cts mutants exhibited reduced fertilization, which was rescued by genetic complementation, but not by exogenous application of jasmonic acid or indole acetic acid. Reduced fertilization was also observed in thiolase (kat2-1) and peroxisomal acyl-Coenzyme A synthetase mutants (lacs6-1,lacs7-1), indicating a general role for beta-oxidation in fertility. Genetic analysis revealed reduced male transmission of cts alleles and both cts pollen germination and tube growth in vitro were impaired in the absence of an exogenous carbon source. Aniline blue staining of pollinated pistils demonstrated that pollen tube growth was affected only when both parents bore the cts mutation, indicating that expression of CTS in either male or female tissues was sufficient to support pollen tube growth in vivo. Accordingly, abundant peroxisomes were detected in a range of maternal tissues. Although gamma-aminobutyric acid levels were reduced in flowers of cts mutants, they were unchanged in kat2-1, suggesting that alterations in gamma-aminobutyric acid catabolism do not contribute to the reduced fertility phenotype through altered pollen tube targeting. Taken together, our data support an important role for beta-oxidation in fertility in Arabidopsis (Arabidopsis thaliana) and suggest that this pathway could play a role in the mobilization of lipids in both pollen and female tissues.
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