ArticlePlant physiology2007
Gene expression profiling reveals defined functions of the ATP-binding cassette transporter COMATOSE late in phase II of germination.
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 46 papers.
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Who cites it
46 citing papers in PubMed, 102 citations in OpenAlex.
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- Functional variants ofProceedings of the National Academy of Sciences of the United States of America · 2020Article
- Developmental Roles of AUX1/LAX Auxin Influx Carriers in Plants.Frontiers in plant science · 2019Review
- Towards Identification of the Substrates of ATP-Binding Cassette Transporters.Plant physiology · 2018Review
- Seed Dormancy Involves a Transcriptional Program That Supports Early Plastid Functionality during Imbibition.Plants (Basel, Switzerland) · 2018Article
- The Phenylpropanoid Case - It Is Transport That Matters.Frontiers in plant science · 2018Article
- CIPK9 is involved in seed oil regulation inBiotechnology for biofuels · 2018Article
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- Biology in the Dry Seed: Transcriptome Changes Associated with Dry Seed Dormancy and Dormancy Loss in theFrontiers in plant science · 2017Article
- Arabidopsis seed germination speed is controlled by SNL histone deacetylase-binding factor-mediated regulation of AUX1.Nature communications · 2016Article
- A Predictive Coexpression Network Identifies Novel Genes Controlling the Seed-to-Seedling Phase Transition in Arabidopsis thaliana.Plant physiology · 2016Article
- The Control of Auxin Transport in Parasitic and Symbiotic Root-Microbe Interactions.Plants (Basel, Switzerland) · 2015Review
- Germination Potential of Dormant and Nondormant Arabidopsis Seeds Is Driven by Distinct Recruitment of Messenger RNAs to Polysomes.Plant physiology · 2015Article
- Control of Seed Germination and Plant Development by Carbon and Nitrogen Availability.Frontiers in plant science · 2015Review
- Barley has two peroxisomal ABC transporters with multiple functions in β-oxidation.Journal of experimental botany · 2014Article
- Arabidopsis paired amphipathic helix proteins SNL1 and SNL2 redundantly regulate primary seed dormancy via abscisic acid-ethylene antagonism mediated by histone deacetylation.The Plant cell · 2013Article
- Insights into the molecular mechanism of RGL2-mediated inhibition of seed germination in Arabidopsis thaliana.BMC plant biology · 2012Article
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Phase II of germination represents a key developmental stage of plant growth during which imbibed seeds either enter stage III of germination, completing the germination process via radicle protrusion, or remain dormant. In this study, we analyzed the influence of the peroxisomal ATP-binding cassette transporter COMATOSE (CTS) on the postimbibition seed transcriptome of Arabidopsis (Arabidopsis thaliana) and also investigated interactions between gibberellin (GA) and CTS function. A novel method for analysis of transcriptome datasets allowed visualization of developmental signatures of seeds, showing that cts-1 retains the capacity to after ripen, indicating a germination block late in phase II. Expression of the key GA biosynthetic genes GA3ox1 and 2 was greatly reduced in cts seeds and genetic analysis suggested that CTS was epistatic to RGL2, a germination-repressing DELLA protein that is degraded by GA. Comparative analysis of seed transcriptome datasets indicated that specific cohorts of genes were influenced by GA and CTS. CTS function was required for expression of the flavonoid biosynthetic pathway. Confocal imaging demonstrated the exclusive accumulation of flavonoids in the epidermis of wild-type seeds. In contrast, flavonoids were absent from cts and kat2-1 mutant seeds, but accumulated following the application of sucrose, indicating an essential role for beta-oxidation in inducing flavonoid biosynthetic genes. These results demonstrate that CTS functions very late in phase II of germination and that its function is required for the expression of specific gene sets related to an important biochemical pathway associated with seedling establishment and survival.
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