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Agronomy
Special Issues
Genetic Resources, Phylogenies and Breeding Strategies in Cucurbitaceae
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Genetic Resources, Phylogenies and Breeding Strategies in Cucurbitaceae

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Crop Breeding and Genetics".

Deadline for manuscript submissions: 30 April 2025 | Viewed by 1346

Special Issue Editor

Dr. Shuangshuang Yan

E-Mail Website
Guest Editor
Department of Horticulture, South China Agricultural University, Guangzhou 510642, China
Interests: stress and genetic breeding of cucumber

Special Issue Information

Dear Colleagues,

Most of the genome sequencing of Cucurbitaceae crops has been completed, which is conducive to genetic research. There are many research achievements in cucumber, watermelon, melon, luffa, bitter gourd and other crops. The molecular breeding technology based on genome-wide association study (GWAS) can greatly improve breeding efficiency. In addition, gene editing technology has overcome the restrictions of traditional technology and can be used for directional breeding. In order to collect the research progress of Cucurbitaceae and provide better information to researchers and breeders, we solicit manuscripts in the fields of Cucurbitaceae genetic resources, evolution and breeding strategies for this Special Issue.

Dr. Shuangshuang Yan
Guest Editor

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. Agronomy 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 2600 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

  • genetic resources
  • phylogenies
  • breeding strategies
  • Cucurbitaceae

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Published Papers (2 papers)

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Research

21 pages, 4249 KiB  
Article
Genome-Wide Analyses Reveal the Roles of CCT Genes as Regulators of Abiotic Stress Responses in Citrullus lanatus
by Yajie Hong, Mengsha Li, Wona Ding, Jun Shi, Zishuo Zheng, Nailin Xing and Qiuping Li
Agronomy 2025, 15(1), 232; https://doi.org/10.3390/agronomy15010232 - 18 Jan 2025
Viewed by 377
Abstract
Members of the CCT gene family have been shown to play roles in photoperiodic flowering and environmental adaptation under a range of conditions. In this study, 29 CCT genes from watermelon were categorized into three distinct subfamilies. The ClCCT genes were systematically analyzed, [...] Read more.
Members of the CCT gene family have been shown to play roles in photoperiodic flowering and environmental adaptation under a range of conditions. In this study, 29 CCT genes from watermelon were categorized into three distinct subfamilies. The ClCCT genes were systematically analyzed, focusing on their physicochemical properties, gene duplication, motifs, structural divergence, promoter regions, and collinearity with genes from other species. The responsiveness of these genes to abiotic stressors, hormone treatments, and photoperiod prolongation was also examined. Segmental duplication (gene amplification) significantly influenced the evolution of these genes, with most ClCCT genes containing light-, hormone-, and/or abiotic stimulus-responsive elements. In response to abiotic and hormonal stresses, 5 genes responded to cold, 1 gene to drought, and 4 genes to salt. 6 genes were responsive to ABA, and 13 genes to MeJA. Strikingly, ClCCT17, ClCCT4, and ClCCT28 responded to multiple stressors. A majority of these ClCCT genes and their homologs in other species were responsive to prolonged daylight exposure. The varying expression patterns of these genes suggested a key role for watermelon CCT genes in the regulation of both abiotic stress responses and flowering. Functional diversity was also evident among CCT family genes within a given species as well as among species attributable to changes in the structural features and expression patterns of the genes and the encoded proteins. Full article
(This article belongs to the Special Issue Genetic Resources, Phylogenies and Breeding Strategies in Cucurbitaceae)
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11 pages, 2099 KiB  
Article
Fine Mapping of Bush Gene and Development of Molecular Marker for Bush Type in Pumpkin (Cucurbita maxima Duch.)
by Chun Li, Zhen He, Yifan Li, Yanhong Lan, Fangyi Gong, Peng Cai, Nan Yang, Yan Liu, Feng Xia, Genyun Liang and Xiaojun Liu
Agronomy 2024, 14(12), 2967; https://doi.org/10.3390/agronomy14122967 - 13 Dec 2024
Viewed by 522
Abstract
The bush trait is an important agronomic trait with great value for pumpkin crops. In this study, a bush-type line, CS82, identified in pumpkin (Cucurbita maxima) showed no obvious main vine, and all petioles clustered at the extremely shortened stem with [...] Read more.
The bush trait is an important agronomic trait with great value for pumpkin crops. In this study, a bush-type line, CS82, identified in pumpkin (Cucurbita maxima) showed no obvious main vine, and all petioles clustered at the extremely shortened stem with limited internodes. The microscopy analysis revealed that the bush-type phenotype may be due to the degeneration of the shoot apex. Genetic analysis showed that the bush-type phenotype is controlled by a single dominant nuclear gene. Exogenous gibberellin treatment could not recover the bush-type phenotype to the wild type, indicating that the bush-type phenotype is not due to the mutation of gibberellin biosynthesis genes. The BSA-seq analysis preliminarily mapped the Bush gene to Chr.15 of the pumpkin genome. Further fine mapping limited the Bush gene to a physical distance of 95.65 kb with 19 genes. Based on the gene function and the 63 bp deletion, CmaCh15G011490, encoding an axial regulator YABBY 5-like protein, was selected as the candidate gene for the Bush gene. A quick and efficient method was developed for bush-type phenotype identification, which is useful for bush-type variety breeding in pumpkin. Full article
(This article belongs to the Special Issue Genetic Resources, Phylogenies and Breeding Strategies in Cucurbitaceae)
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