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- Title
Differential Expression Analysis of Phytohormone-Related Genes of Korean Wheat (Triticum aestivum) in Response to Preharvest Sprouting and Abscisic Acid (ABA).
- Authors
Lee, Yong Jin; Park, Sang Yong; Kim, Dae Yeon; Kim, Jae Yoon; Polidoros, Alexios
- Abstract
Preharvest sprouting (PHS) is a key global issue in production and end-use quality of cereals, particularly in regions where the rainfall season overlaps the harvest. To investigate transcriptomic changes in genes affected by PHS-induction and ABA-treatment, RNA-seq analysis was performed in two wheat cultivars that differ in PHS tolerance. A total of 123 unigenes related to hormone metabolism and signaling for abscisic acid (ABA), gibberellic acid (GA), indole-3-acetic acid (IAA), and cytokinin were identified and 1862 of differentially expressed genes were identified and divided into 8 groups by transcriptomic analysis. DEG analysis showed the majority of genes were categorized in sugar related processes, which interact with ABA signaling in PHS tolerant cultivar under PHS-induction. Thus, genes related to ABA are key regulators of dormancy and germination. Our results give insight into global changes in expression of plant hormone related genes in response to PHS.
- Subjects
ABSCISIC acid; WHEAT; WHEAT genetics; GERMINATION; SPROUTS; PLANT hormones; GENES
- Publication
Applied Sciences (2076-3417), 2021, Vol 11, Issue 8, p3562
- ISSN
2076-3417
- Publication type
Article
- DOI
10.3390/app11083562