ArticleJournal of applied genetics2025
Strigolactone insensitivity affects differential shoot and root transcriptome in barley.
Article in Journal of applied genetics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Impaired strigolactone biosynthesis and signalling are associated with promoter-associated CHH hypermethylation in Arabidopsis thaliana.Journal of applied genetics · 2026Article
- WGCNA reveals dose-dependent responses and molecular regulatory networks of strigolactone-mediated drought mitigation inFrontiers in plant science · 2026Article
- Dissecting the role of strigolactone perception in barley tolerance to cadmium or zinc stress based on the receptor mutant analysis.BMC plant biology · 2025Article
- Strigolactones coordinate barley tillering and grain size.Journal of experimental botany · 2025Article
- Strigolactone insensitivity affects the hormonal homeostasis in barley.Scientific reports · 2025Article
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Authors and funding
3 authors.
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Abstract
Strigolactones (SLs) are plant hormones that play a crucial role in regulating various aspects of plant architecture, such as shoot and root branching. However, the knowledge of SL-responsive genes and transcription factors (TFs) that control the shaping of plant architecture remains elusive. Here, transcriptomic analysis was conducted using the SL-insensitive barley mutant hvd14.d (carried mutation in SL receptor DWARF14, HvD14) and its wild-type (WT) to unravel the differences in gene expression separately in root and shoot tissues. This approach enabled us to select more than six thousand SL-dependent genes that were exclusive to each studied organ or not tissue-specific. The data obtained, along with in silico analyses, found several TFs that exhibited changed expression between the analyzed genotypes and that recognized binding sites in promoters of other identified differentially expressed genes (DEGs). In total, 28 TFs that recognize motifs over-represented in DEG promoters were identified. Moreover, nearly half of the identified TFs were connected in a single network of known and predicted interactions, highlighting the complexity and multidimensionality of SL-related signalling in barley. Finally, the SL control on the expression of one of the identified TFs in HvD14- and dose-dependent manners was proved. Obtained results bring us closer to understanding the signalling pathways regulating SL-dependent plant development.
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