Evidence map›Paper›PMID 39585367›Full record

ArticlePlant cell reports2024

Ectopic expression of HvbHLH132 from hulless barley reduces cold tolerance in transgenic Arabidopsis thaliana.

Yilei Hao, Jing Su, Yongmei Cui, Kunlun Wu

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Article in Plant cell reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

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2citing papers in PubMed
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1 · What the graph read from it

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3 · Its place in the literature

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2 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Yilei Hao *State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, 810016, Qinghai, China.
Jing Su *College of Agriculture and Animal Husbandry, Qinghai University, Xining, 810016, Qinghai, China.
Yongmei CuiState Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, 810016, Qinghai, China. 15251892177@163.com.ORCID http://orcid.org/0009-0009-7785-8084
Kunlun WuAcademy of Agricultural and Forestry Sciences, Qinghai Key Laboratory of Hulless Barley Genetics and Breeding, Laboratory for Research and Utilization of Qinghai Tibet Plateau Germplasm Resources, Xining, 810016, Qinghai, China.

Funding

Innovation Fund of Qinghai Academy of Agricultural and Forestry Sciences 2022-NKY-04Qinghai University Natural Science Foundation for Young Scholars 2022-QNY-3the National Natural Science Foundation of China 32060423the Natural Science Foundation Project of Qinghai Province-Qinghai Key Laboratory of Hulless Barley Genetics and Breeding 2023-1_5The Open Project of State Key Laboratory of Plateau Ecology and Agriculture 2023-ZZ-01
6 · The paper itself

Abstract

key messageOverexpression of HvbHLH132 from hulless barley impairs in chilling and freezing tolerance at the seedlings stage in Arabidopsis thaliana The basic helix-loop-helix (bHLH) transcription factors (TF) are ubiquitously existed in eukaryote and play crucial roles in numerous biological processes. However, the characterization of their members and functions in hulless barley remains limited. Here, we conducted a genome-wide identification of the HvbHLH gene family and assessed the role of HvbHLH132 in cold stress tolerance. We identified 141 HvbHLH genes, which were categorized into twelve subfamilies. Subcellular localization predictions indicated that the majority of HvbHLH proteins were localized in the nucleus. cis-Acting element analysis revealed that the promoter regions of the HvbHLH family contain diverse elements associated with various biological processes. Expression profiling of the 141 HvbHLH genes in two extreme varieties revealed that HvbHLH132 was significantly induced and exhibited substantial differential expression under cold stress. Analyses of subcellular localization and transactivation activity confirmed that HvbHLH132 specifically localized in the nucleus and contributed to transcriptional activation. Furthermore, overexpression of HvbHLH132 in Arabidopsis resulted in impaired chilling and freezing tolerance at the seedling stage, leading to biochemical changes unfavorable for freezing stress. Additionally, the expression of some cold-responsive genes (COR) genes was significantly less induced compared to wild type under freezing stress. This study provides comprehensive insight into the HvbHLH gene family and reveals a critical role of HvbHLH132 in regulating cold tolerance in plants.

Indexed as

ArabidopsisGene Expression Regulation, PlantHordeumPlant ProteinsPlants, Genetically ModifiedBasic Helix-Loop-Helix ProteinsCell NucleusCold-Shock ResponseCold TemperatureEctopic Gene ExpressionFreezingPromoter Regions, GeneticSeedlingsBasic Helix-Loop-Helix ProteinsPlant ProteinsArabidopsisCold toleranceHvbHLH132HvbHLH gene family

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.