ArticleBMC plant biology2021
The bHLH transcription factor AhbHLH112 improves the drought tolerance of peanut.
Article in BMC plant biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.
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41 citing papers in PubMed, 89 citations in OpenAlex.
- Genome-Wide Analysis of the DUF1664 Family Genes in Peanut (Plants (Basel, Switzerland) · 2026Article
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- Identification, characterization, and expression profiling of the bHLH gene family in Beta vulgaris.BMC plant biology · 2025Article
- Overexpression ofPlants (Basel, Switzerland) · 2025Article
- Genome-wide association study reveals putative candidate genes in cucumber (Cucumis sativus L.) associated with shoot and root system architecture traits under water stress conditions.BMC plant biology · 2025Article
- CsNAC17 enhances resistance toHorticulture research · 2025Article
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- A bHLH Transcription Factor Confers Salinity Stress Tolerance inPlant direct · 2024Article
- Cloning and Functional Study ofInternational journal of molecular sciences · 2024Article
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- DEAD-Box RNA Helicase Family in Physic Nut (Plants (Basel, Switzerland) · 2024Article
- Genome-wide profiling of histone (H3) lysine 4 (K4) tri-methylation (me3) under drought, heat, and combined stresses in switchgrass.BMC genomics · 2024Article
- Transcriptomic insights into shared responses to Fusarium crown rot infection and drought stresses in bread wheat (Triticum aestivum L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Article
- Understanding the impacts of drought on peanutsFrontiers in genetics · 2024Review
- Overexpression of PavbHLH28 from Prunus avium enhances tolerance to cold stress in transgenic Arabidopsis.BMC plant biology · 2023Article
- Rice Basic Helix-Loop-Helix 079 (OsbHLH079) Delays Leaf Senescence by Attenuating ABA Signaling.Rice (New York, N.Y.) · 2023Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundBasic helix-loop-helix (bHLH) transcription factors (TFs) are one of the largest gene families in plants. They regulate gene expression through interactions with specific motifs in target genes. bHLH TFs are not only universally involved in plant growth but also play an important role in plant responses to abiotic stress. However, most members of this family have not been functionally characterized.
resultsHere, we characterized the function of a bHLH TF in the peanut, AhHLH112, in response to drought stress. AhHLH112 is localized in the nucleus and it was induced by drought stress. The overexpression of this gene improves the drought tolerance of transgenic plants both in seedling and adult stages. Compared to wild-type plants, the transgenic plants accumulated less reactive oxygen species (ROS), accompanied by increased activity and transcript levels of antioxidant enzymes (superoxide dismutase, peroxidase and catalase). In addition, the WT plants demonstrated higher MDA concentration levels and higher water loss rate than the transgenic plants under drought treatment. The Yeast one-hybrid result also demonstrates that AhbHLH112 directly and specifically binds to and activates the promoter of the peroxidase (POD) gene. Besides, overexpression of AhHLH112 improved ABA level under drought condition, and elevated the expression of genes associated with ABA biosynthesis and ABA responding, including AtNCED3 and AtRD29A.
conclusionsDrawing on the results of our experiments, we propose that, by improving ROS-scavenging ability, at least in part through the regulation of POD -mediated H
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