Evidence map›Paper›PMID 41345362›Full record

ArticlePlant cell reports2025

Heterologous expression of AtYUC1 enhances potato branching and tuber formation via StARF-mediated repression of StBRC1a.

Qingsong Jiao, Hongbao Bai, Longwei Xin, Ting Jia, Xueyun Hu

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Article in Plant cell reports, 2025. 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

5 authors.

Qingsong JiaoCollege of Bioscience and Biotechnology, Yangzhou University, Yangzhou, 225009, Jiangsu, China.ORCID http://orcid.org/0000-0003-0245-6434
Hongbao BaiCollege of Bioscience and Biotechnology, Yangzhou University, Yangzhou, 225009, Jiangsu, China.
Longwei XinCollege of Bioscience and Biotechnology, Yangzhou University, Yangzhou, 225009, Jiangsu, China.
Ting JiaJoint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou, 225009, China.
Xueyun HuCollege of Bioscience and Biotechnology, Yangzhou University, Yangzhou, 225009, Jiangsu, China. xyhulab@yzu.edu.cn.

Funding

National Natural Science Foundation of China 32000197National Natural Science Foundation of China 32200429
6 · The paper itself

Abstract

key messageConstitutive expression of AtYUC1 in potato enhances branching and tuber production through upregulation of StARF1 and StARF5, which suppress StBRC1a expression. Branching is a crucial determinant of plant architecture, optimizing light capture, improving environmental adaptability, and enhancing crop yield. Potatoes (Solanum tuberosum) possess above-ground stems and modified stems. To investigate the effect of AtYUC1 in these processes, we generated transgenic potato lines constitutively expressing heterologous AtYUC1 and performed phenotypic and molecular analyses. Elevated auxin levels in the transgenic lines enhanced branching, plant height, stolon number, and above-ground biomass. The number of tubers was also significantly higher compared to wild-type plants. Molecular analysis revealed significant upregulation of StARF1 and StARF5. In addition, StBranched1a (StBRC1a) expression was significantly downregulated in these lines. Auxin treatments further confirmed concentration-dependent modulation of StBRC1a and StBRC1b expression. Further investigations demonstrated that StARF1 and StARF5 bind to the promoter region of StBRC1a, repressing its expression and thereby promoting branching. This study provides valuable insights into the hormonal regulation of branching in potatoes and underscores the potential of genetically manipulating auxin biosynthesis pathways to enhance potato yield.

Indexed as

Plant ProteinsPlant TubersSolanum tuberosumTranscription FactorsGene Expression Regulation, PlantIndoleacetic AcidsPlants, Genetically ModifiedPromoter Regions, GeneticIndoleacetic AcidsPlant ProteinsTranscription FactorsAtYUC1BranchingPotatoStARF1/5StBRC1aStolon

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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.