ArticleJournal of experimental botany2020
The transcription factor WRKY22 is required during cryo-stress acclimation in Arabidopsis shoot tips.
Article in Journal of experimental botany, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 19 citations in OpenAlex.
- Cryopreservation by Vitrification for the Aquatic Plant Family Lemnaceae.Methods in molecular biology (Clifton, N.J.) · 2026Article
- Genome-wide identification of the WRKY transcription factors family and regulation of metabolites under cold stress in Astragalus membranaceus.BMC plant biology · 2025Article
- Light spectrum modulates stress and defense gene expression in potato (Solanum tuberosum L.) shoot tips during post-cryopreservation recovery.Scientific reports · 2025Article
- Plant Coping with Cold Stress: Molecular and Physiological Adaptive Mechanisms with Future Perspectives.Cells · 2025Review
- Article
- Cryopreservation of Duckweed Genetic Diversity as Model for Long-Term Preservation of Aquatic Flowering Plants.Plants (Basel, Switzerland) · 2023Article
- Loss-of-function mutations in WRKY22 and WRKY25 impair stomatal-mediated immunity and PTI and ETI responses against Pseudomonas syringae pv. tomato.Plant molecular biology · 2023Article
- Transcriptome Profiling during Sequential Stages of Cryopreservation in Banana (Plants (Basel, Switzerland) · 2023Article
- Article
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9 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Storage of meristematic tissue at ultra-low temperatures offers a mean to maintain valuable genetic resources from vegetatively reproduced plants. To reveal the biology underlying cryo-stress, shoot tips of the model plant Arabidopsis thaliana were subjected to a standard preservation procedure. A transcriptomic approach was taken to describe the subsequent cellular events which occurred. The cryoprotectant treatment induced the changes in the transcript levels of genes associated with RNA processing and primary metabolism. Explants of a mutant lacking a functional copy of the transcription factor WRKY22 were compromised for recovery. A number of putative downstream targets of WRKY22 were identified, some related to phytohormone-mediated defense, to the osmotic stress response, and to development. There were also alterations in the abundance of transcript produced by genes encoding photosynthesis-related proteins. The wrky22 mutant plants developed an open stomata phenotype in response to their exposure to the cryoprotectant solution. WRKY22 probably regulates a transcriptional network during cryo-stress, linking the explant's defense and osmotic stress responses to changes in its primary metabolism. A model is proposed linking WRKY53 and WRKY70 downstream of the action of WRKY22.
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