ArticleJournal of experimental botany2017
Mitochondrial AtTrxo1 is transcriptionally regulated by AtbZIP9 and AtAZF2 and affects seed germination under saline conditions.
Article in Journal of experimental botany, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 44 citations in OpenAlex.
- Redox-mediated regulation of ABSCISIC ACID-INSENSITIVE 5 affects seed germination and seedling development in Arabidopsis.Journal of experimental botany · 2026Article
- Regulation of seed germination: ROS, epigenetic, and hormonal aspects.Journal of advanced research · 2025Review
- New role for thioredoxins in plants: Implication of TRXo1 in protein depersulfidation.Redox biology · 2025Article
- Transcriptomic and sugar metabolic analysis reveals molecular mechanisms of peach gummosis in response toFrontiers in plant science · 2024Article
- Thioredoxin TRXo1 is involved in ABA perception via PYR1 redox regulation.Redox biology · 2023Article
- Identification of a key locus, qNL3.1, associated with seed germination under salt stress via a genome-wide association study in rice.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Differences in seed characteristics, germination and seedling growth ofFrontiers in plant science · 2023Article
- Identification of key genes controlling L-ascorbic acid during Jujube (Frontiers in plant science · 2022Article
- A New Role for Plastid Thioredoxins in Seed Physiology in Relation to Hormone Regulation.International journal of molecular sciences · 2021Article
- Transcriptome analysis of Cinnamomum migao seed germination in medicinal plants of Southwest China.BMC plant biology · 2021Article
- ThioredoxinAntioxidants (Basel, Switzerland) · 2021Article
- Decreased Levels of ThioredoxinInternational journal of molecular sciences · 2021Article
- Roles of Reactive Oxygen Species and Mitochondria in Seed Germination.Frontiers in plant science · 2021Review
- Transcriptome Profiling of the Salt Stress Response in the Leaves and Roots of HalophyticFrontiers in genetics · 2021Article
- Reactive Oxygen Species (ROS) and Nucleic Acid Modifications During Seed Dormancy.Plants (Basel, Switzerland) · 2020Review
- Thioredoxin Network in Plant Mitochondria: Cysteine S-Posttranslational Modifications and Stress Conditions.Frontiers in plant science · 2020Review
- On the role of the plant mitochondrial thioredoxin system during abiotic stress.Plant signaling & behavior · 2019Article
- MitochondrialAntioxidants (Basel, Switzerland) · 2018Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Mitochondrial thioredoxin-o (AtTrxo1) was characterized and its expression examined in different organs of Arabidopsis thaliana. AtTrxo1 transcript levels were particularly high in dry seeds and cotyledons where they reached a maximum 36 h after imbibition with water, coinciding with 50% germination. Expression was lower in seeds germinating in 100 mM NaCl. To gain insight into the transcriptional regulation of the AtTrxo1 gene, a phylogenomic analysis was coupled with the screening of an arrayed library of Arabidopsis transcription factors in yeast. The basic leucine zipper AtbZIP9 and the zinc finger protein AZF2 were identified as putative transcriptional regulators. Transcript regulation of AtbZIP9 and AtAFZ2 during germination was compatible with the proposed role in transcriptional regulation of AtTrxo1. Transient over-expression of AtbZIP9 and AtAZF2 in Nicotiana benthamiana leaves demonstrated an activation effect of AtbZIP9 and a repressor effect of AtAZF2 on AtTrxo1 promoter-driven reporter expression. Although moderate concentrations of salt delayed germination in Arabidopsis wild-type seeds, those of two different AtTrxo1 knock-out mutants germinated faster and accumulated higher H2O2 levels than the wild-type. All these data indicate that AtTrxo1 has a role in redox homeostasis during seed germination under salt conditions.
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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.