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Acta Horticulturae Sinica ›› 2025, Vol. 52 ›› Issue (8): 2099-2113.doi: 10.16420/j.issn.0513-353x.2024-0614

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Regulatory Genes for Tomato Flavor and Their Application in Quality Improvement

LI Dandan1, GE Pingfei1, LI Fangman1, YANG Yang1, XU Haobo1, XIONG Chunhui3, and ZHANG Yuyang1,2,4,5,*()   

  1. 1 National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Wuhan 430070, China
    2 Hubei Hongshan laboratory, Wuhan 430070, China
    3 Ganzhou Vegetable and Flower Research InstituteGanzhou, Jiangxi 341401, China
    4 Shenzhen Institute of Nutrition and HealthHuazhong Agricultural University, Wuhan 430070, China
    5 Agricultural Genomics Institute at ShenzhenChinese Academy of Agricultural Sciences(CAAS)and Lingnan Modern Agricultural Science and Technology Laboratory of Guangdong Province,Shenzhen Sub-center,Shenzhen, Guangdong 518800, China
  • Received:2024-10-25 Revised:2025-04-24 Online:2025-08-25 Published:2025-08-19
  • Contact: and ZHANG Yuyang

Abstract:

Tomato is rich in nutrients and has a unique flavor,and in recent years,the improvement of tomato flavor quality has gradually attracted the attention of breeders. Modern cultivated tomatoes exhibit the advantages of high resistance and yield,but their taste and flavor fails to meet consumers’ demand. Soluble sugar,organic acid and volatile compounds in tomato are important components affecting tomato flavor. The type,content and proportion of sugars determine the sweetness of tomatoes,and the content of organic acids such as citric acid and malic acid affects the acidity of the fruit. The composition and concentration of volatile compounds in the fruit contributes to the aroma of tomatoes. This paper reviews the metabolic composition,genetic loci and regulatory genes of tomato flavor,summarizes the approaches of tomato fruit flavor improvement,to provide reference for breeding high-quality and tasty tomato cultivars.

Key words: tomato, flavor quality, soluble sugar, organic acid, volatile compound, genetic improvement