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Horticulturae
Special Issues
Genetic Resources and Fruit Development Biology of Solanaceae
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Genetic Resources and Fruit Development Biology of Solanaceae

A special issue of Horticulturae (ISSN 2311-7524). This special issue belongs to the section "Developmental Physiology, Biochemistry, and Molecular Biology".

Deadline for manuscript submissions: closed (10 June 2024) | Viewed by 4374

Special Issue Editors

Prof. Dr. Lingxia Zhao

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Guest Editor
Plant Biotechnology Research Center, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
Interests: tomato development and fruit formation
Dr. Qian Shen

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Guest Editor
School of Agriculture and Biology, Fudan-SJTU-Nottingham Plant Biotechnology R&D Center, Shanghai Jiao Tong University, Shanghai 200240, China
Interests: transcriptional regulation; terpenoids biosynthesis; glandular trichome; plant metabolic engineering
Special Issues, Collections and Topics in MDPI journals
Dr. Yingying Zhang

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Guest Editor
Shanghai Key Laboratory of Protected Horticulture Technology, The Protected Horticulture Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
Interests: vegetable breeding; plant abiotic stress tolerance

Special Issue Information

Dear Colleagues,

In horticulture, germplasm resources and fruit development are the most interesting areas, and have made great progress in recent years. However, the lack of excellent resources limits the improvement of the cultivated varieties of crops/plants in Solanaceae. Simultaneously, the complex genetic regulation networks of fruit development such as maturation and quality trait formation still remain elusive.

The purpose of this Special Issue entitled “Genetic Resources and Fruit Development Biology of Solanaceae” is to present the creation of novel germplasm resources using heirloom varieties, wild relatives, and mutant libraries, and to provide methodologies, technological specifications, and breeding materials. Moreover, it aims to dissect the genetic mechanisms of fruit development such as fruit ripening, fruit color formation, and the accumulation of key components or secondary metabolites associated with product qualities. This Special Issue is open to the submission of manuscripts associated with functional gene dissection, as well as interesting studies that reveal the molecular regulation mechanism of plant hormones participating in fruit ripening and development.

Prof. Dr. Lingxia Zhao
Dr. Qian Shen
Dr. Yingying Zhang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Horticulturae is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2200 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Solanaceae
  • fruit development
  • germplasm resources
  • molecular regulation
  • fruit ripening
  • fruit color
  • secondary metabolite
  • phytohormone

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Published Papers (2 papers)

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Research

16 pages, 4496 KiB  
Article
Insight into the Phylogenetic Relationships and Evolutionary History of Pepper Cultivars (Capsicum annuum L.) through Comparative Analyses of Plastomes
by Seona Yun and Hyeran Kim
Horticulturae 2023, 9(10), 1092; https://doi.org/10.3390/horticulturae9101092 - 30 Sep 2023
Cited by 4 | Viewed by 2103
Abstract
Pepper (Capsicum annuum L.) holds immense global importance, as it is widely cultivated for its economic value in the food industry and its health benefits. Consequently, substantial breeding progress has been made in cultivar development, whole-genome analysis, and transformation techniques aimed at [...] Read more.
Pepper (Capsicum annuum L.) holds immense global importance, as it is widely cultivated for its economic value in the food industry and its health benefits. Consequently, substantial breeding progress has been made in cultivar development, whole-genome analysis, and transformation techniques aimed at enhancing agricultural traits, including fruit development and capsaicin synthesis. However, research concerning the phylogenetic relationships within C. annuum remains insufficient. In this study, we characterized the plastome sequences of seven C. annuum, including five hot pepper and two bell pepper cultivars, while also elucidating their phylogenetic relationships. Furthermore, we conducted comparative analyses to gain insight into their evolutionary history. The seven plastomes displayed typical quadripartite structures and ranged from 156,821 to 156,922 bp, displaying highly conserved sequences. In contrast to prior studies, our phylogenomic analyses revealed that C. annuum species did not form a monophyletic group. Each subclade was thought to be related to a different evolutionary history, such as hybridization, domestication from wild ancestors, and artificial selection. Therefore, we were able to discern the relationships among cultivars based on their genetic profiles of plastomes. Our findings also revealed that the Korean landraces Younggo 4, 5, 10, and 11 share the most recent common ancestor with Mexican landrace CM334. Full article
(This article belongs to the Special Issue Genetic Resources and Fruit Development Biology of Solanaceae)
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17 pages, 3753 KiB  
Article
Comparative Transcriptome Analysis Reveals Differential Gene Expression Pattern Associated with Heat Tolerance in Pepper (Capsicum annuum L.)
by Yunpeng Song, Zongwen Zhu, Kaige Liu, Yuelu Zhao, Zhixing Nie, Lili Zhang, Abbas Muhammad Fahim and Xuedong Yang
Horticulturae 2023, 9(7), 801; https://doi.org/10.3390/horticulturae9070801 - 13 Jul 2023
Viewed by 1469
Abstract
Pepper (Capsicum annuum L.) represents a highly significant agricultural commodity worldwide. Heat stress (HS) poses a severe threat to pepper productivity and quality. However, our understanding of the molecular alterations triggered by HS remains insufficient. This study focused on characterizing P19055 and [...] Read more.
Pepper (Capsicum annuum L.) represents a highly significant agricultural commodity worldwide. Heat stress (HS) poses a severe threat to pepper productivity and quality. However, our understanding of the molecular alterations triggered by HS remains insufficient. This study focused on characterizing P19055 and P17087 as heat-tolerant and heat-sensitive pepper lines, respectively. Through RNA sequencing, we quantified transcript abundance in pepper fruit to investigate the impact of HS on gene expression. A total of 41,793 differentially expressed genes (DEGs) was identified, encompassing 33,703 known genes and 8090 novel genes. Additionally, we obtained 89,821 expressed transcripts, including 52,726 known transcripts and 37,095 new transcripts. By comparing gene expression levels between P17087 and P19055 fruit, we pinpointed 2324 genes exhibiting differential expression across three time points (0.5 h, 2 h, 6 h). Leveraging the weighted correlation network analysis (WGCNA) approach, we constructed a co-expression network of DEGs in P19055 and P17087 based on transcriptomic data acquired at these time points. Notably, nineteen modules displayed significant correlations with the time points following HS during the fruiting stage in both genotypes. Functional enrichment analysis revealed that the DEGs were primarily associated with metabolic and cellular processes in response to stress, particularly photosynthesis at the 2 h and 6 h time points. Moreover, we identified and categorized 26 families of transcription factors, including ERF (19), WRKY (12), MYB (15), NAC (7), bHLH (7), MIKC (7), GRAS (6), and 40 others, which may potentially regulate the expression of key genes in response to HS. Our findings contribute to a comprehensive understanding of the molecular mechanisms governing HS during the fruiting stage of pepper cultivation. Full article
(This article belongs to the Special Issue Genetic Resources and Fruit Development Biology of Solanaceae)
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