Evidence map›Paper›PMID 39819310›Full record

ArticleBMC plant biology2025

The BES1/BZR1 transcriptional factor SlBES2 regulates photosynthetic apparatus in tomato fruit.

Ming Huang, Wenjing Liu, Deding Su, Ghassen Abid, Baowen Huang, Zhengguo Li

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PubMed Full text at PMC Publisher
In one paragraph

Article in BMC plant biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Ming HuangKey Laboratory of Plant Hormones Regulation and Molecular Breeding of Chongqing, School of Life Sciences, Chongqing University, Chongqing, 401331, China.
Wenjing LiuKey Laboratory of Plant Hormones Regulation and Molecular Breeding of Chongqing, School of Life Sciences, Chongqing University, Chongqing, 401331, China.
Deding SuKey Laboratory of Plant Hormones Regulation and Molecular Breeding of Chongqing, School of Life Sciences, Chongqing University, Chongqing, 401331, China.
Ghassen AbidLaboratory of Legumes and Sustainable Agrosystems, Centre of Biotechnology of Borj-Cedria, (CBBC), Hammam-Lif, Tunisia.
Baowen HuangKey Laboratory of Plant Hormones Regulation and Molecular Breeding of Chongqing, School of Life Sciences, Chongqing University, Chongqing, 401331, China. huangbaowen2022@cqu.edu.cn.
Zhengguo LiKey Laboratory of Plant Hormones Regulation and Molecular Breeding of Chongqing, School of Life Sciences, Chongqing University, Chongqing, 401331, China. zhengguoli@cqu.edu.cn.

Funding

National Natural Science Foundation of China 32230092; 32372403; 32202563Natural Science Foundation of Chongqing, China cstc2021jcyj-msxmX0585
6 · The paper itself

Abstract

backgroundFruit photosynthetic apparatus development comprises a series of biological processes which is essential in determining fruit development and quality formation. However, the understanding of the regulation of fruit photosynthetic apparatus development remains poor.

resultsIn this study, we identified a transcriptional factor SlBES2, the closest homolog of BES1 and BZR1 in tomato BES1 family, is highly expressed in fruit at mature green (MG) stage and exhibited transcriptional inhibition activity. Down-regulation of SlBES2 resulted in fruits showing paler fruit than wild type at MG stage, in contrast, SlBES2-overexpressing tomato lines bore deeper green fruits. Notably, chlorophyll content and number of thylakoids per chloroplast in fruit was substantially increased in SlBES2-overexpressing lines, while markedly decreased in SlBES2-suppressing lines. Comparative transcriptome analysis revealed that multiple genes of the photosystem, chloroplast development and chlorophyll metabolism pathways were regulated by SlBES2. Further verification revealed that SlBES2 can significantly repress the transcriptional activity of SlNYC1 and Green-Flesh, and physically interact with protein SlHY5.

conclusionsCollectively, this study demonstrated that SlBES2 plays an important role in regulating fruit photosynthetic apparatus development through either transcriptional repression of genes involved in chlorophyll breakdown, or posttranscriptional regulation of proteins associated with plant photomorphogenesis and chloroplast development. Our findings add a new actor to the complex mechanisms underlying photosynthetic apparatus during fruit development.

Indexed as

DNA-Binding ProteinsPhotosynthesisPlant ProteinsSolanum lycopersicumTranscription FactorsChlorophyllGene Expression Regulation, PlantGenes, PlantChlorophyllDNA-Binding ProteinsPlant ProteinsTranscription FactorsBES1 transcriptional factorFruit developmentPhotosynthetic apparatusTomato

Identifiers

PMID39819310
PMCPMC11740526

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