ArticlePlant physiology2012
RhNAC2 and RhEXPA4 are involved in the regulation of dehydration tolerance during the expansion of rose petals.
Article in Plant physiology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 70 papers, 1 of them a synthesis that pooled it.
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Who cites it
70 citing papers in PubMed, 1 synthesis or guideline pooled it, 129 citations in OpenAlex.
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- Drought Stress in Roses: A Comprehensive Review of Morphophysiological, Biochemical, and Molecular Responses.International journal of molecular sciences · 2025Review
- Cloning and expression analysis of RhHsf24 gene in Rose (Rosa hybrida).Scientific reports · 2025Article
- Differential expression and localization of expansins inFrontiers in plant science · 2025Article
- Advanced imaging-enabled understanding of cell wall remodeling mechanisms mediating plant drought stress tolerance.Frontiers in plant science · 2025Review
- Research progress of NAC transcription factors in woody plants.Frontiers in plant science · 2025Review
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- Genome-Wide Identification, Phylogenetic and Expression Analysis of Expansin Gene Family inInternational journal of molecular sciences · 2024Article
- Gene expression analysis of potato drought-responsive genes under drought stress in potato (PeerJ · 2024Article
- Identification of genes associated with abiotic stress tolerance in sweetpotato using weighted gene co-expression network analysis.Plant direct · 2023Article
- Comparative bioinformatics analysis and abiotic stress responses of expansin proteins in Cucurbitaceae members: watermelon and melon.Protoplasma · 2023Article
- Regulatory network established by transcription factors transmits drought stress signals in plant.Stress biology · 2022Review
- Genome-wide analysis of the rose (Rosa chinensis) NAC family and characterization of RcNAC091.Plant molecular biology · 2022Article
- Genome-wide identification, characterization of expansin gene family of banana and their expression pattern under various stresses.3 Biotech · 2022Article
- Drought-Responsive NAC Transcription FactorInternational journal of molecular sciences · 2022Article
10 more citing papers are in PubMed but not listed here.
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Dehydration inhibits petal expansion resulting in abnormal flower opening and results in quality loss during the marketing of cut flowers. We constructed a suppression subtractive hybridization library from rose (Rosa hybrida) flowers containing 3,513 unique expressed sequence tags and analyzed their expression profiles during cycles of dehydration. We found that 54 genes were up-regulated by the first dehydration, restored or even down-regulated by rehydration, and once again up-regulated by the second dehydration. Among them, we identified a putative NAC family transcription factor (RhNAC2). With transactivation activity of its carboxyl-terminal domain in yeast (Saccharomyces cerevisiae) cell and Arabidopsis (Arabidopsis thaliana) protoplast, RhNAC2 belongs to the NAC transcription factor clade related to plant development in Arabidopsis. A putative expansin gene named RhEXPA4 was also dramatically up-regulated by dehydration. Silencing RhNAC2 or RhEXPA4 in rose petals by virus-induced gene silencing significantly decreased the recovery of intact petals and petal discs during rehydration. Overexpression of RhNAC2 or RhEXPA4 in Arabidopsis conferred strong drought tolerance in the transgenic plants. RhEXPA4 expression was repressed in RhNAC2-silenced rose petals, and the amino-terminal binding domain of RhNAC2 bound to the RhEXPA4 promoter. Twenty cell wall-related genes, including seven expansin family members, were up-regulated in Arabidopsis plants overexpressing RhNAC2. These data indicate that RhNAC2 and RhEXPA4 are involved in the regulation of dehydration tolerance during the expansion of rose petals and that RhEXPA4 expression may be regulated by RhNAC2.
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