ArticleBMC plant biology2021
Genome-wide identification of PbrbHLH family genes, and expression analysis in response to drought and cold stresses in pear (Pyrus bretschneideri).
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 27 papers.
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27 citing papers in PubMed, 100 citations in OpenAlex.
- Pan-Genome and Transcriptome-Guided Analysis Reveals Duplication-Driven Evolution and Candidate MYB-bHLH Modules Associated with Fruit Development in Pear.Plants (Basel, Switzerland) · 2026Article
- Genome-Wide Identification and Characterization of the C2H2 Zinc Finger Gene Family in Pear (Biology · 2026Article
- Genome-Wide Identification of theInternational journal of molecular sciences · 2025Article
- Genome-wide identification and expression analysis of soybean bHLH transcription factor and its molecular mechanism on grain protein synthesis.Frontiers in plant science · 2025Article
- Effects of different straw breeding substrates on the growth of tomato seedlings and transcriptome analysis.Scientific reports · 2024Article
- Genome-wide identification of bHLH transcription factors and functional analysis in salt gland development of the recretohalophyte sea lavender (Horticulture research · 2024Article
- Systematic identification and expression analysis of bHLH gene family reveal their relevance to abiotic stress response and anthocyanin biosynthesis in sweetpotato.BMC plant biology · 2024Article
- Integrated physiological and transcriptomic data revealed the cold-resistant mechanisms in reproductive organs of the 'Jinguang' pear cultivar.Frontiers in plant science · 2024Article
- Brassinosteroid Signaling Pathways: Insights into Plant Responses under Abiotic Stress.International journal of molecular sciences · 2023Review
- Comprehensive characterization and expression analysis of enzymatic antioxidant gene families in passion fruit (iScience · 2023Article
- Genome-wide identification, comparative analysis and functional roles in flavonoid biosynthesis of cytochrome P450 superfamily in pear (Pyrus spp.).BMC genomic data · 2023Article
- The TabHLH094-TaMYC8 complex mediates the cadmium response in wheat.Molecular breeding : new strategies in plant improvement · 2023Article
- Comprehensive Analysis of bHLH Transcription Factors inInternational journal of molecular sciences · 2023Article
- Genome-Wide Characterization and Analysis of bHLH Transcription Factors Related to Anthocyanin Biosynthesis inInternational journal of molecular sciences · 2023Article
- From plant survival to thriving: exploring the miracle of brassinosteroids for boosting abiotic stress resilience in horticultural crops.Frontiers in plant science · 2023Review
- A Novel bHLH Transcription Factor PtrbHLH66 from Trifoliate Orange Positively Regulates Plant Drought Tolerance by Mediating Root Growth and ROS Scavenging.International journal of molecular sciences · 2022Article
- Genome-wide identification and characterization of the bHLH gene family and analysis of their potential relevance to chlorophyll metabolism in Raphanus sativus L.BMC genomics · 2022Article
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- A Cys2His2 Zinc Finger Transcription FactorFrontiers in plant science · 2022Article
- Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe basic helix-loop-helix (bHLH) transcription factors play important roles in many processes in plant growth, metabolism and responses to abiotic stresses. Although, the sequence of Chinese white pear genome (cv. 'Dangshansuli') has already been reported, there is still a lack of clarity regarding the bHLH family genes and their evolutionary history.
resultsIn this work, a genome-wide identification of the bHLH genes in Chinese white pear was performed, and we characterized the functional roles of these PbrbHLH genes in response to abiotic stresses. Based on the phylogenetic analysis and structural characteristics, 197 identified bHLH genes could be well classified into 21 groups. Expansion of PbrbHLH gene family was mainly driven by WGD and dispersed duplication with the purifying selection from the recent WGD. The functional annotation enrichment showed that the majority of PbrbHLHs were enriched in the GO terms and KEGG pathways involved in responds to stress conditions as TFs. Transcriptomic profiles and qRT-PCR revealed that PbrbHLH7, PbrbHLH8, PbrbHLH128, PbrbHLH160, PbrbHLH161 and PbrbHLH195 were significantly up-regulated under cold and drought treatments. In addition, PbrbHLH195-silenced pear seedlings display significant reduced cold tolerance, exhibiting reduced chlorophyll content, as well as increased electrolyte leakage and concentrations of malondialdehyde and H
conclusionFor the first time, a comprehensive analysis identified the bHLH genes in Chinese white pear and demonstrated that PbrbHLH195 is involved in the production of ROS in response to cold stress, suggesting that members of the PbrbHLH family play an essential role in the stress tolerance of pear.
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