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Advances in the Genetics and Precision Breeding of Tomato

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Plant Sciences".

Deadline for manuscript submissions: 20 June 2026 | Viewed by 370

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Special Issue Information

Dear Colleagues,

Tomatoes (Solanum lycopersicum L.) are a globally important vegetable crop with significant economic value, playing a crucial role in food security and agricultural sustainability. From a genetic and molecular biology perspective, tomatoes serve as a model for studying fruit development, disease resistance, and stress tolerance.

Recent efforts have focused on breeding tomatoes that are more adaptable to climate change, ensuring resilient crop production in the face of global environmental challenges. Additionally, there is a growing interest in enhancing flavor, aroma, and functional health benefits through genetic approaches. The integration of advanced breeding technologies—including Omics data-assisted breeding—represents a promising frontier for accelerating tomato improvement.

This Special Issue, “Advances in the Genetics and Precision Breeding of Tomato” aims to showcase groundbreaking research, innovative techniques, and comprehensive reviews that contribute to the understanding and improvement of tomato genetics and breeding strategies. We invite submissions of original research articles, reviews, and methodological papers exploring topics such as climate-resilient breeding, flavor and nutritional enhancement, and data-driven precision breeding strategies in tomato. Our goal is to gather innovative findings that will shape the future of tomato cultivation and breeding.

Dr. Younghoon Park
Guest Editor

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Keywords

  • climate change
  • gene editing
  • genomic selection
  • flavor
  • functional compounds
  • molecular marker
  • omics
  • precision breeding
  • Solanum lycopersicum
  • tomato

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Published Papers (1 paper)

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Research

12 pages, 990 KB  
Article
SlACO1 and SlGARP Regulate Hormone-Mediated Metabolic Profiles in Tomato Fruit
by Yanpei Liu, Chunlu He, Liuqing Han, Haipeng Zhang and Juan Xu
Int. J. Mol. Sci. 2026, 27(2), 1078; https://doi.org/10.3390/ijms27021078 - 21 Jan 2026
Viewed by 141
Abstract
Fruit quality is determined by multiple metabolites, which are mainly affected by plant hormones. In this study, two genes, ethylene-related gene SlACO1 and gibberellin-related gene SlGARP, were overexpressed (OE) and knocked down through RNAi in tomato, and the profiles of carotenoids, flavonoids, [...] Read more.
Fruit quality is determined by multiple metabolites, which are mainly affected by plant hormones. In this study, two genes, ethylene-related gene SlACO1 and gibberellin-related gene SlGARP, were overexpressed (OE) and knocked down through RNAi in tomato, and the profiles of carotenoids, flavonoids, volatiles, and hormones were detected in the leaves and fruit. The color index significantly increased in SlACO1-OE fruit but significantly decreased in the SlACO1-RNAi line. Similarly, total carotenoids, volatiles, salicylic acid, and ethylene significantly increased in the fruits of SlACO1-OE and SlGARP-OE, whereas ABA decreased significantly. Some compounds, such as lycopene, 3-hexenal, and d-limonene, significantly increased in the fruit of SlACO1-OE but decreased in the SlACO1-RNAi line, indicating that SlACO1 might play an important role in the accumulation of these compounds. The functional characterization of SlACO1 and SlGARP would facilitate the improvement in tomato fruit quality. Full article
(This article belongs to the Special Issue Advances in the Genetics and Precision Breeding of Tomato)
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