Evidence map›Paper›PMID 41533009›Full record

ArticlePlant cell reports2026

A R2R3-MYB transcription factor SmMYB88 of Solanum melongena regulates cold tolerance by activating antioxidant system.

Yanhong Lan, Fangyi Gong, Rongjiang Dong, Chun Li, Feng Xia, Yifan Li, Xiaojun Liu, Duchen Liu, Genyun Liang, Chao Fang and 1 more

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Article in Plant cell reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

11 authors.

Yanhong LanKey Laboratory of Germplasm Innovation and Utilization of Horticulture Crops of Sichuan Province, Horticulture Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, 610066, China.
Fangyi GongKey Laboratory of Germplasm Innovation and Utilization of Horticulture Crops of Sichuan Province, Horticulture Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, 610066, China.
Rongjiang DongKey Laboratory of Germplasm Innovation and Utilization of Horticulture Crops of Sichuan Province, Horticulture Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, 610066, China.
Chun LiKey Laboratory of Germplasm Innovation and Utilization of Horticulture Crops of Sichuan Province, Horticulture Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, 610066, China.
Feng XiaKey Laboratory of Germplasm Innovation and Utilization of Horticulture Crops of Sichuan Province, Horticulture Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, 610066, China.
Yifan LiKey Laboratory of Germplasm Innovation and Utilization of Horticulture Crops of Sichuan Province, Horticulture Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, 610066, China.
Xiaojun LiuKey Laboratory of Germplasm Innovation and Utilization of Horticulture Crops of Sichuan Province, Horticulture Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, 610066, China.
Duchen LiuKey Laboratory of Germplasm Innovation and Utilization of Horticulture Crops of Sichuan Province, Horticulture Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, 610066, China.
Genyun LiangKey Laboratory of Germplasm Innovation and Utilization of Horticulture Crops of Sichuan Province, Horticulture Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, 610066, China.
Chao FangKey Laboratory of Germplasm Innovation and Utilization of Horticulture Crops of Sichuan Province, Horticulture Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, 610066, China. saasfangchao@163.com.
Peng CaiKey Laboratory of Germplasm Innovation and Utilization of Horticulture Crops of Sichuan Province, Horticulture Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, 610066, China. cp215@163.com.ORCID http://orcid.org/0009-0005-7678-7609

Funding

Sichuan Innovation Team of National Modern Agricultural Industry Technology System grant No. SCCXTD-2024-5Sichuan Province Engineering Technology Research Center of Vegetables grant No. 2023PZSC0301Sichuan Provincial Science and Technology Plan Project grant No. 2021YFYZ0022Sichuan Provincial Science and Technology Plan Project grant number 2021YFYZ0010the 1 + 9 Program of SAAS grant No.1+9KJGG03
6 · The paper itself

Abstract

MYB transcription factors play a pivotal role in plant responses to cold stress. However, the underlying regulatory mechanisms in eggplant (Solanum melongena) remain unclear. In our previous study, based on transcriptomic analysis, we identified a MYB transcription factor as a core regulatory gene involved in cold stress responses in eggplant. In this study, we isolated and cloned SmMYB88 from eggplant. SmMYB88 was localized to the nucleus and exhibited transactivation activity. Heterologous overexpression of SmMYB88 in Arabidopsis thaliana enhanced the plant's cold tolerance. SmMYB88 specifically bound to the promote elements of SmGST and SmGPX. Furthermore, the interaction between SmMYB88 and SmERF1 further up-regulated the expression of SmGST and SmGPX genes. The up-regulated SmGST and SmGPX enhanced the plant's capacity to scavenge reactive oxygen species (ROS) by increasing glutathione metabolism and corresponding enzyme activities, thereby improving the plant's tolerance to cold stress. Additionally, overexpression of SmMYB88 significantly increased the expression levels of ICE1, CBFs, and COR47 in Arabidopsis (p < 0.05), suggesting that SmMYB88 may enhance plant cold tolerance by regulating the expression of CBF network genes. Therefore, this gene may serve as a potential target for genetic engineering to improve cold tolerance in eggplant.

Indexed as

AntioxidantsPlant ProteinsSolanum melongenaTranscription FactorsArabidopsisCold-Shock ResponseCold TemperatureGene Expression Regulation, PlantPhylogenyPlants, Genetically ModifiedReactive Oxygen SpeciesTranscriptional ActivationAntioxidantsPlant ProteinsReactive Oxygen SpeciesTranscription FactorsAntioxidant systemCold stressROS scavengingSmMYB88Solanum melongenaTranscriptional regulation

Identifiers

PMID41533009

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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 OpenQuestion graph.