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Genetic Basis and Regulation of Cucurbit Crop Traits
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Genetic Basis and Regulation of Cucurbit Crop Traits

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

Deadline for manuscript submissions: closed (30 April 2023) | Viewed by 3972

Special Issue Editors

Prof. Dr. Qiusheng Kong

E-Mail Website
Guest Editor
Key Laboratory of Horticultural Plant Biology, Ministry of Education, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China
Interests: multi-omics; QTL mapping; disease resistance; fruit quality; genomics
Dr. Chunhua Wei

E-Mail Website
Guest Editor
State Key Laboratory of Crop Stress Biology for Arid Areas, College of Horticulture, Northwest A&F University, Yangling 712100, China
Interests: germplasm resources; stress tolerance; multi-omics; gene miming
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Cucurbitaceae are fruit and vegetable crops of global and local economic significance and include cucumbers, melons, watermelons, gourds, wax gourds, pumpkins, loofah, etc. In recent years, rapid progress in genome sequencing of cucurbit crops has laid a solid foundation for genome-assisted breeding. Researchers in these studies utilized a variety of advanced molecular tools and genome-wide association analyses to understand the genetic architecture of trait variation in cucurbit crops. This is of great significance for the genetic improvement of cucurbit crops, the protection of germplasm resources, and the selection of new varieties.
This Special Issue will include research on the collection and evaluation of cucurbit crop germplasm resources, the gene mining and mechanism analysis of important agronomic traits, the development of functional markers for important agronomic traits, the creation of excellent breeding materials, and the cultivation of new varieties.

Prof. Dr. Qiusheng Kong
Dr. Chunhua Wei
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. Plants is an international peer-reviewed open access semimonthly 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 2700 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

  • cucurbitaceae
  • agronomic trait
  • transcriptome
  • molecular markers
  • molecular genetics
  • germplasm enhancement
  • germplasm conservation
  • QTL mapping
  • metabolome
  • GWAS
  • fruit quality
  • abiotic stresses
  • biotic stresses
  • multi-omics

Published Papers (2 papers)

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Research

10 pages, 1293 KiB  
Article
Volatile Compounds Governed by Single Recessive Gene Impart Aroma in Sponge Gourd (Luffa cylindrica L. Roem)
by Tribhuvan Chaubey, Vidya Sagar, Ramesh Kumar Singh, Chandan Singh Chanotiya, Sudhakar Pandey, Prabhakar M. Singh, Pradip Karmakar, Jagdish Singh, Bijendra Singh, Dhananjay Pratap Singh, Koshlendra Kumar Pandey and Tusar Kanti Behera
Plants 2022, 11(21), 2881; https://0-doi-org.brum.beds.ac.uk/10.3390/plants11212881 - 28 Oct 2022
Viewed by 1881
Abstract
As a vegetable crop, sponge gourd is widely consumed worldwide due to its health promoting and nutraceutical value. This study describes genetics of an aromatic genotype VRSG-7-17 and deciphers the genetic control and volatile compound composition of sponge gourd. To study the inheritance [...] Read more.
As a vegetable crop, sponge gourd is widely consumed worldwide due to its health promoting and nutraceutical value. This study describes genetics of an aromatic genotype VRSG-7-17 and deciphers the genetic control and volatile compound composition of sponge gourd. To study the inheritance of this trait, a cross was made between aromatic light-green-fruited VRSG-7-17 and non-aromatic dark-green-fruited VRSG-194 genotypes. The F1s were found to be non-aromatic and have a green fruit colour. Chi-square (χ2) analysis of backcross and F2 population segregating for aroma suggested that the inheritance of aroma in VRSG-7-17 is governed by a single recessive gene in a simple Mendelian fashion. The SPME–GC/MS analysis of the volatile compounds suggested that the compounds responsible for Basmati rice-like aroma were mainly hexanal, 1-octen-3-ol, 3-octanone and limonene. The aroma persists in the cooked VRSG-7-17 fruits, that did not lose fragrance traits at high temperatures. The inheritance of fruit colour was found to be controlled by a single gene with incomplete dominance. The segregation analysis showed that the aroma and fruit colour were not linked, and they segregated independently. The findings will lead to understanding the inheritance of the aromatic compounds in the sponge gourd and may be utilised in the breeding programmes for developing improved aromatic varieties. Full article
(This article belongs to the Special Issue Genetic Basis and Regulation of Cucurbit Crop Traits)
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16 pages, 3376 KiB  
Article
Mining the Roles of Cucumber DUF966 Genes in Fruit Development and Stress Response
by Jie Tian, Yiting Li, Yifeng Hu, Qiwen Zhong, Junliang Yin and Yongxing Zhu
Plants 2022, 11(19), 2497; https://0-doi-org.brum.beds.ac.uk/10.3390/plants11192497 - 23 Sep 2022
Cited by 4 | Viewed by 1577
Abstract
DUF966 genes are widely found in monocotyledons, dicotyledons, mosses, and other species. Current evidence strongly suggests that they are involved in growth regulation and stress tolerance in crops. However, their functions in cucumbers remain unexplored. Here, cucumber CsDUF966 was systemically identified and characterized [...] Read more.
DUF966 genes are widely found in monocotyledons, dicotyledons, mosses, and other species. Current evidence strongly suggests that they are involved in growth regulation and stress tolerance in crops. However, their functions in cucumbers remain unexplored. Here, cucumber CsDUF966 was systemically identified and characterized using bioinformatics. Eight CsDUF966 genes were identified in the cucumber genome. These were phylogenetically separated into three groups. All CsDUF966 proteins were hydrophilic and localized to the nucleus. Moreover, three acidic and five basic proteins were identified. Evolutionary analysis of DUF966 between cucumber and 33 other Cucurbitaceae species/cultivars revealed that most CsDUF966 genes were conserved, whereas CsDUF966_4.c and CsDUF966_7.c were positively selected among the five cucumber cultivars. Expression profiling analysis showed that CsDUF966 had variable expression patterns, and that miRNA164, miRNA166, and Csa-novel-35 were involved in the post-transcriptional regulation of CsDUF966_4.c and CsDUF966_7.c. The expression of CsDUF966_4.c and CsDUF966_7.c, which were under strong neofunctionalization selection, was strictly regulated in fruit and tissues, including seeds, pericarps, peels, and spines, suggesting that these genes are fruit growth regulators and were strongly selected during the cucumber breeding program. In conclusion, the results reveal the roles of CsDUF966s in regulating cucumber fruit development and lay the foundation for further functional studies. Full article
(This article belongs to the Special Issue Genetic Basis and Regulation of Cucurbit Crop Traits)
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