ArticlePlant physiology2002
Arabidopsis mutants deficient in diacylglycerol acyltransferase display increased sensitivity to abscisic acid, sugars, and osmotic stress during germination and seedling development.
Article in Plant physiology, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.
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40 citing papers in PubMed, 80 citations in OpenAlex.
- A hickory diacylglycerol acyltransferase gene coordinates fatty acid metabolism and aluminum tolerance in plants.The New phytologist · 2026Article
- Lipid regulation inFrontiers in plant science · 2026Review
- Map-based cloning of Zmccr3 and its network construction and validation for regulating maize seed germination.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Genetic and transcriptome analyses of the effect of genotype-by-environment interactions on Brassica napus seed oil content.The Plant cell · 2025Article
- The synthesis of triacylglycerol by diacylglycerol acyltransferases (CsDGAT1A and CsDGAT2D) is essential for tolerance of cucumber's resistance to low-temperature stress.Plant cell reports · 2024Article
- Functional Characterization of the Effects of CsDGAT1 and CsDGAT2 on Fatty Acid Composition inInternational journal of molecular sciences · 2024Article
- Changes in the content of pollen total lipid and TAG inAoB PLANTS · 2023Article
- Transcriptional regulation of oil biosynthesis in seed plants: Current understanding, applications, and perspectives.Plant communications · 2022Review
- Genome-Wide Characterization of DGATs and Their Expression Diversity Analysis in Response to Abiotic Stresses inPlants (Basel, Switzerland) · 2022Article
- Data-Independent-Acquisition-Based Proteomic Approach towards Understanding the Acclimation Strategy of Oleaginous MicroalgaACS omega · 2021Article
- Article
- Predicting the seedling emergence time of sugar beet (Physiology and molecular biology of plants : an international journal of functional plant biology · 2020Article
- ThePlants (Basel, Switzerland) · 2019Article
- DIACYLGLYCEROL ACYLTRANSFERASE1 Contributes to Freezing Tolerance.Plant physiology · 2018Article
- Development Defects of Hydroxy-Fatty Acid-Accumulating Seeds Are Reduced by Castor Acyltransferases.Plant physiology · 2018Article
- Metabolite profiling and associated gene expression reveal two metabolic shifts during the seed-to-seedling transition in Arabidopsis thaliana.Plant molecular biology · 2017Article
- Bioenergy application of Dunaliella salina SA 134 grown at various salinity levels for lipid production.Scientific reports · 2017Article
- Disruption of the Arabidopsis Defense Regulator Genes SAG101, EDS1, and PAD4 Confers Enhanced Freezing Tolerance.Molecular plant · 2015Article
- The Arabidopsis MYB96 Transcription Factor Is a Positive Regulator of ABSCISIC ACID-INSENSITIVE4 in the Control of Seed Germination.Plant physiology · 2015Article
- OsTCP19 influences developmental and abiotic stress signaling by modulating ABI4-mediated pathways.Scientific reports · 2015Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Arabidopsis seeds store triacylglycerol (TAG) as the major carbon reserve, which is used to support postgerminative seedling growth. Diacylglycerol acyltransferase (DGAT) catalyzes the final step in TAG synthesis, and two isoforms of DGAT have previously been identified in Arabidopsis. It has been shown that DGAT1 plays an important role in seed development because Arabidopsis with mutations at the TAG1 locus accumulate less seed oil. There is also evidence showing that DGAT1 is active after seed germination. The aim of this study is to investigate the effect of mutations of DGAT1 on postembryonic development in Arabidopsis. We carried out detailed analyses of two tag1 mutants in different ecotypic backgrounds of Arabidopsis. Results show that during germination and seedling growth, seed storage TAG degradation was not affected in the tag1 mutants. However, sugar content of the mutant seedlings is altered, and activities of the hexokinases are significantly increased in the tag1 mutant seedlings. The tag1 mutants are also more sensitive to abscisic acid, glucose, and osmotic strength of the medium in germination and seedling growth.
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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.