ArticleMolecular genetics and genomics : MGG2009
Functional characterization of the Arabidopsis bHLH92 transcription factor in abiotic stress.
Article in Molecular genetics and genomics : MGG, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 103 papers.
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103 citing papers in PubMed, 213 citations in OpenAlex.
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- Unravelling the genetics of heat-responsive fruit traits in pepper [Capsicum annuum L.] via GWAS under subtropical climates.BMC plant biology · 2026Article
- Genome-wide identification and expression analysis of salt-responsive bHLH transcription factors in the wheat (Frontiers in plant science · 2026Article
- Genome-wide identification and abiotic stress response analysis of the oatFrontiers in plant science · 2026Article
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- SiLRL1, a bHLH transcription factor from foxtail millet, promotes carotenoid accumulation and improves drought tolerance.BMC plant biology · 2025Article
- Multiomics analysis revealed the temporally common and specific molecular changes in Arabidopsis thaliana (L.) under salt stress.BMC genomics · 2025Article
- Comprehensive analysis and expression characterization of potato Cytochrome P450 gene family and the role of StCYP67 in abiotic stresses.BMC plant biology · 2025Article
- Single-Cell Transcriptome Reveals Aquaporin-Mediated Carbon Nanosol-Induced Growth Promotion of Plants.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Salt stress activates the CDK8-AHL10-SUVH2/9 module to dynamically regulate salt tolerance in Arabidopsis.Nature communications · 2025Article
- Genome- and Transcriptome-Wide Characterization and Expression Analyses of bHLH Transcription Factor Family Reveal Their Relevance to Salt Stress Response in Tomato.Plants (Basel, Switzerland) · 2025Article
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- Functions and Regulatory Mechanisms of bHLH Transcription Factors during the Responses to Biotic and Abiotic Stresses in Woody Plants.Plants (Basel, Switzerland) · 2024Review
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- Identification and transcriptomic profiling of salinity stress response genes in colored wheat mutant.PeerJ · 2024Article
- Meta-QTL and ortho analysis unravels the genetic architecture and key candidate genes for cold tolerance at seedling stage in rice.Physiology and molecular biology of plants : an international journal of functional plant biology · 2024Article
- An efficient screening system of disease-resistant genes from wild apple, Malus sieversii in response to Valsa mali pathogenic fungus.Plant methods · 2023Article
- Genome-Wide Identification and Characterization of thePlants (Basel, Switzerland) · 2023Article
43 more citing papers are in PubMed but not listed here.
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Authors and funding
3 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
In our previous microarray analysis of NaCl-treated Arabidopsis roots, we identified a basic-helix-loop-helix (bHLH) transcription factor, bHLH92 (At5g43650), as one of the transcripts showing the greatest fold-increase in abundance upon NaCl exposure. Here, we characterize the role of bHLH92 in the context of abiotic stress physiology and hormone responses. We observed that bHLH92 transcript abundance increases in response to NaCl, dehydration, mannitol, and cold treatments, and compared these responses to those of two closely related genes: bHLH41 and bHLH42. The NaCl-inducibility of bHLH92 was only partially dependent on abscisic acid (ABA) biosynthesis and SALT OVERLY SENSITIVE2 (SOS2) pathways. As compared to WT, root elongation of bhlh92 mutants was more sensitive to mannitol, and these mutants also showed increased electrolyte leakage following NaCl treatments. Overexpression of bHLH92 moderately increased the tolerance to NaCl and osmotic stresses. Finally, we identified at least 19 putative downstream target genes of bHLH92 under NaCl treatment using an oligonucleotide microarray. Together these data show that bHLH92 functions in plant responses to osmotic stresses, although the net contribution of bHLH92-regulated genes to stress tolerance appears relatively limited in proportion to what might be expected from its transcript expression pattern.
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