ArticlePlant physiology2009
A nuclear gene encoding the iron-sulfur subunit of mitochondrial complex II is regulated by B3 domain transcription factors during seed development in Arabidopsis.
Article in Plant physiology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.
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31 citing papers in PubMed, 59 citations in OpenAlex.
- Insights into the roles of chromatin-remodeling complex HOS15-PWR-HDA9 in plant development and stress responses.Plant cell reports · 2025Review
- Identification of bZIP Transcription Factors That Regulate the Development of Leaf Epidermal Cells inInternational journal of molecular sciences · 2024Article
- NICOTIANAMINE SYNTHASE activity affects nucleolar iron accumulation and impacts rDNA silencing and RNA methylation in Arabidopsis.Journal of experimental botany · 2023Article
- Growth Developmental Defects of Mitochondrial Iron Transporter 1 and 2 Mutants in Arabidopsis in Iron Sufficient Conditions.Plants (Basel, Switzerland) · 2023Article
- Editorial: Molecular basis of seed germination and dormancy.Frontiers in plant science · 2023Article
- Genome-Wide Identification of the Aconitase Gene Family in Tomato (International journal of molecular sciences · 2022Article
- Comparative genomic analysis of the tricarboxylic acid cycle members in four Solanaceae vegetable crops and expression pattern analysis in Solanum tuberosum.BMC genomics · 2021Article
- Article
- Putative cis-Regulatory Elements Predict Iron Deficiency Responses in Arabidopsis Roots.Plant physiology · 2020Article
- Identification and characterization of the TCA cycle genes in maize.BMC plant biology · 2019Article
- Intra-Kernel Reallocation of Proteins in Maize Depends on VP1-Mediated Scutellum Development and Nutrient Assimilation.The Plant cell · 2019Article
- The Arabidopsis EPlant molecular biology · 2019Article
- Comparative physiological responses and transcriptome analysis reveal the roles of melatonin and serotonin in regulating growth and metabolism in Arabidopsis.BMC plant biology · 2018Article
- An active Mitochondrial Complex II Present in Mature Seeds Contains an Embryo-Specific Iron-Sulfur Subunit Regulated by ABA and bZIP53 and Is Involved in Germination and Seedling Establishment.Frontiers in plant science · 2017Article
- Arabidopsis seed-specific vacuolar aquaporins are involved in maintaining seed longevity under the control of ABSCISIC ACID INSENSITIVE 3.Journal of experimental botany · 2015Article
- Overexpression of UCP1 in tobacco induces mitochondrial biogenesis and amplifies a broad stress response.BMC plant biology · 2014Article
- Expression of genes encoding subunits of respiratory complexes in Arabidopsis leaves depends on light.Doklady. Biochemistry and biophysics · 2014Article
- Coordination of plant mitochondrial biogenesis: keeping pace with cellular requirements.Frontiers in plant science · 2014Review
- The bZIP protein from Tamarix hispida, ThbZIP1, is ACGT elements binding factor that enhances abiotic stress signaling in transgenic Arabidopsis.BMC plant biology · 2013Article
- A WRKY gene from Tamarix hispida, ThWRKY4, mediates abiotic stress responses by modulating reactive oxygen species and expression of stress-responsive genes.Plant molecular biology · 2013Article
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Authors and funding
10 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Mitochondrial complex II (succinate dehydrogenase) is part of the tricarboxylic acid cycle and the respiratory chain. Three nuclear genes encode its essential iron-sulfur subunit in Arabidopsis (Arabidopsis thaliana). One of them, SUCCINATE DEHYDROGENASE2-3 (SDH2-3), is specifically expressed in the embryo during seed maturation, suggesting that SDH2-3 may have a role as the complex II iron-sulfur subunit during embryo maturation and/or germination. Here, we present data demonstrating that three abscisic acid-responsive elements and one RY-like enhancer element, present in the SDH2-3 promoter, are involved in embryo-specific SDH2-3 transcriptional regulation. Furthermore, we show that ABSCISIC ACID INSENSITIVE3 (ABI3), FUSCA3 (FUS3), and LEAFY COTYLEDON2, three key B3 domain transcription factors involved in gene expression during seed maturation, control SDH2-3 expression. Whereas ABI3 and FUS3 interact with the RY element in the SDH2-3 promoter, the abscisic acid-responsive elements are shown to be a target for bZIP53, a member of the basic leucine zipper (bZIP) family of transcription factors. We show that group S1 bZIP53 protein binds the promoter as a heterodimer with group C bZIP10 or bZIP25. To the best of our knowledge, the SDH2-3 promoter is the first embryo-specific promoter characterized for a mitochondrial respiratory complex protein. Characterization of succinate dehydrogenase activity in embryos from two homozygous sdh2-3 mutant lines permits us to conclude that SDH2-3 is the major iron-sulfur subunit of mature embryo complex II. Finally, the absence of SDH2-3 in mutant seeds slows down their germination, pointing to a role of SDH2-3-containing complex II at an early step of germination.
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