Solanaceae Plants Genetics

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Genetics, Genomics and Biotechnology".

Deadline for manuscript submissions: 30 November 2025 | Viewed by 420

Special Issue Editors


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Guest Editor
1. Faculty of Agricultural Sciences, Campo Experimental Villarino, National University of Rosario, Zavalla S2125ZAA, Argentina
2. Institute for Agricultural Research of Rosario (IICAR-CONICET-UNR), Campo Experimental Villarino, National University of Rosario, Zavalla S2125ZAA, Argentina
Interests: tomato breeding; plant genetics; vegetables genetic resources; fruit quality; metabolite composition

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Guest Editor
Institute for the Conservation and Improvement of Valencian Agrodiversity (COMAV), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
Interests: Solanaceae breeding; vegetable genetic resources; plant genomics; tolerance to abiotic stresses; adaptation to climate change; introgression breeding
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Special Issue Information

Dear Colleagues,

The Solanaceae family, encompassing approximately 2700 species, plays a central role in our agricultural and cultural landscape. Among its economically significant crops are tomatoes (Solanum lycopersicum), potatoes (Solanum tuberosum), peppers (genus Capsicum), and eggplants (Solanum melongena). Beyond their culinary use, certain Solanaceae species—such as petunias and tobacco—have deep historical and cultural roots.

This Special Issue focuses on Solanaceae genetics. Since the early 20th century, these species were models for studying traits like fruit shape and fruit color and disease resistance. Notably, the discovery of self-incompatibility mechanisms in tomatoes and peppers shed light on intricate reproductive processes. However, it is the genomics era that has revolutionized our understanding.

Genomic sequencing projects have unveiled gene families orchestrating fruit and tuber development, disease resistance pathways, and flavor profiles. Comparative genomics has revealed shared features across Solanaceae members, transcending species boundaries. Transcriptomics provided snapshots of gene network regulation under allele changes or differential environmental experimental conditions. Recent developments in biotechnological tools, exemplified by CRISPR-Cas9 gene editing, promise precise modifications.

This Special Issue invites research articles that showcase cutting-edge advancements in Solanaceae genetics. By delving into the uncharted diversity and unraveling the genetic underpinnings of complex traits—such as soil salinity tolerance, nutritional composition, flavor enhancement, and resistance to emerging pathogens—breeders can develop more productive, nutritional, and resilient varieties.

Dr. Gustavo Rubén Rodríguez
Prof. Dr. Jaime Prohens
Guest Editors

Manuscript Submission Information

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Keywords

  • breeding
  • eggplant
  • genetic resources
  • genomics
  • petunia
  • potato
  • tobacco
  • tomato

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Published Papers (1 paper)

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Research

12 pages, 5146 KiB  
Article
Overexpression of StTCP10 Alters Tuber Number and Size in Potato (Solanum tuberosum L.)
by Tingting Wang, Xinyue Chen, Shuangshuang Li, Ping Wang, Yongbin Wang and Binquan Huang
Plants 2025, 14(9), 1403; https://doi.org/10.3390/plants14091403 - 7 May 2025
Viewed by 96
Abstract
Potato (Solanum tuberosum L.), cultivated worldwide for its nutrient-rich underground tubers, represents a crucial staple crop whose yield is primarily determined by both tuber number and tuber size. TCP transcription factors, especially TCP containing miR319 binding sites, play pivotal roles in plant [...] Read more.
Potato (Solanum tuberosum L.), cultivated worldwide for its nutrient-rich underground tubers, represents a crucial staple crop whose yield is primarily determined by both tuber number and tuber size. TCP transcription factors, especially TCP containing miR319 binding sites, play pivotal roles in plant growth and development, yet their functions in potato tuber number and size remain largely unexplored. In this study, we systematically identified 32 TCP genes in potato harboring the conserved TCP domain, among which six were predicted to contain binding sites for Stu-miR319. Semi-quantitative experiments revealed that StTCP10 exhibited the highest expression levels in stolons, swollen stolons, and tuber tissues compared to other StTCP genes containing miR319 binding sites. To elucidate its biological function, we generated StTCP10-overexpressing transgenic potato lines through Agrobacterium-mediated genetic transformation. Phenotypic analysis demonstrated that overexpression of StTCP10 reduced tuber number per plant while enhancing tuber size, with no significant change in total yield. These findings reveal that StTCP10 with Stu-miR319 binding sites plays a critical role in tuber size and mediates the trade-off between tuber size and number, providing novel insights into the molecular breeding aimed at improving tuber size. Full article
(This article belongs to the Special Issue Solanaceae Plants Genetics)
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