New Advances in Vegetable Breeding, Genetics and Genomics

A special issue of Horticulturae (ISSN 2311-7524). This special issue belongs to the section "Genetics, Genomics, Breeding, and Biotechnology (G2B2)".

Deadline for manuscript submissions: closed (15 December 2022) | Viewed by 2035

Special Issue Editors


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Guest Editor
Breeding, Tropical Research and Education Center, University of Florida, IFAS, Homestead, FL, USA
Interests: vegetable crops; breeding for resistance to abiotic and biotic stresses; genetics and genomics; extension
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Horticultural Sciences Department, University of Florida, Gainesville, FL 32611, USA
Interests: bioinformatics; genome biology; tomato genetics

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Guest Editor
College of Agriculture, Forestry and Life Sciences, Clemson University, Clemson, SC 29634, USA
Interests: vegetable genomics/genetics; genomics‑assisted breeding; plant genetic resources; QTL/association mapping

Special Issue Information

Dear Colleagues,

Advances in next generation sequencing technologies has facilitated the development of genomic tools for genetic studies in vegetable crops. These tools include reference genomes, transcriptome assemblies, genetic linkage maps, QTL mapping, genome-wide association studies, allele mining, gene expression, and marker–trait associations for marker-assisted selection. Furthermore, genomic selection has gained momentum as a tool for predicting phenotypic performance in plant breeding populations and accelerating the development of new vegetable cultivars. On the other hand, advancement in gene-editing technologies, such as CRISPR-Cas9, has facilitated development of novel genotypes while circumventing challenges in conventional breeding, such as linkage drag. Collectively, application of these tools in vegetable improvement has the potential to increase the rate of genetic gain by shortening of the selection cycle, thus reducing the cost of plant breeding.

In the issue “New Advances in Vegetable Breeding, Genetics and Genomics”, we invite submissions of research articles, reviews, short notes, and opinion articles related to the discovery and application of genomic tools for vegetable crop improvement. This Special Issue will also accept submissions related to advances in high-throughput genotyping system, germplasm characterization, and inheritance studies of economically important traits in vegetable crops.  

Dr. Geoffrey Meru
Dr. Tong Geon Lee
Dr. Sandra Branham
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

  • molecular breeding
  • marker-assisted selection
  • linkage mapping
  • QTL mapping
  • CRISPR-Cas9
  • genomic selection
  • genome-wide association studies
  • genotyping
  • transcriptome analysis
  • gene expression

Published Papers (1 paper)

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Research

20 pages, 842 KiB  
Article
Identification of Causal Gene-Specific SNP Markers for the Development of Gynoecious Hybrids in Cucumber (Cucumis sativa L.) Using the PathoLogic Algorithm
by Manikanda Boopathi Narayanan, Shobhana V. Gnanapanditha Mohan, Praneetha Subramanyam, Rajasree Venkatachalam and Kesavan Markkandan
Horticulturae 2023, 9(3), 389; https://doi.org/10.3390/horticulturae9030389 - 17 Mar 2023
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Abstract
Although the genome sequence of cucumber is publicly available, only a limited number of functional markers are in store for developing gynoecious hybrids using Indian genotypes. This study reported novel SNPs and InDels in the exonic regions of genes involved in gynoecy using [...] Read more.
Although the genome sequence of cucumber is publicly available, only a limited number of functional markers are in store for developing gynoecious hybrids using Indian genotypes. This study reported novel SNPs and InDels in the exonic regions of genes involved in gynoecy using two parents and their hybrid with genotyping-by-sequencing (GBS) by generating 3.547 Gb of raw data. Using NSDC reference genome GCA_000004075.2, a total of 40,143, 181,008 and 43,612 SNPs were identified, among which 514 were polymorphic between male and female parents but monomorphic between the male parent and the hybrid (confirming hybridity). We further identified that, out of those 514 SNPs, 74 were within the exonic regions of the sex-specific genes. The most interesting functional marker in this study was SNP 2,13,85,488, identified in the gene CsaV3_6G037780 G3I-38214 on chromosome 6, encoding 1-aminocyclopropane-1-carboxylate oxidase 1 (ACS1), which plays a key role in female flower production, as indicated in CuCyc with the PathoLogic algorithm. The InDel analysis also identified a variation inside the gene CsaV3_6G304050 G3I-37940, encoding histone lysine N-methyl transferase, involved in flowering and female gametophyte development. Thus, this study has identified gynoecy-specific functional markers; upon further validation, these markers will accelerate the evolution of gynoecious hybrids in India and global cucumber breeding programs. Full article
(This article belongs to the Special Issue New Advances in Vegetable Breeding, Genetics and Genomics)
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