Genetics and Breeding of Horticulture Crops—2nd Edition

A special issue of Genes (ISSN 2073-4425). This special issue belongs to the section "Plant Genetics and Genomics".

Deadline for manuscript submissions: 25 February 2025 | Viewed by 439

Special Issue Editors

Key Laboratory for Horticultural Crop Genetic Improvement, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
Interests: horticultural crop; biotechnology; genetics; genomics; genotype; phenotype
Special Issues, Collections and Topics in MDPI journals
College of Life Sciences, Gannan Normal University (Golden Campus), Ganzhou 341000, China
Interests: horticultural crop; abiotic stress; gene cloning; genomics; biotechnology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Horticultural crops contain numerous health-promoting phytochemicals, such as vitamins, flavonoids, polyphenols, and other secondary metabolites, that play a crucial role in the global food supply and human health. The yield and quality of horticultural crops depends on their intrinsic genetics and genome characteristics, as well as the environmental conditions. The discovery of genes that could enhance the yield, quality, and resistance of horticultural crops has unlocked the potential to accelerate the molecular breeding of horticultural crops, particularly via continuous advancements in genome data, molecular markers, gene discovery, gene editing and multi-omics technology, including genomics, transcriptomics, proteomics, metabolomics, interactomics, and phenomics. The utilization of all these novel techniques in combination with the analysis of genomic data using bioinformatics tools will contribute to an enhanced understanding of the function of various agronomic traits of interest, as well as horticultural crop breeding.

The goal of this Special Issue is to collect the latest advances in understanding the genetics and breeding of horticulture crops by integration with multi-omics, revealing molecular mechanisms of agronomically important traits in horticultural crops, such as yield, quality, and resistance to abiotic and biotic stresses. We particularly encourage research derived from the development or application of new omics technologies in horticultural crops as well as new methods for the analysis, mining, and visualization of horticultural crop omics datasets.

We welcome submissions of all article types on, but are not limited to, the following subtopics:

    Genetic and functional characterization of genes regulating horticultural crop growth and development;

    Development of novel omics technologies for horticultural crop improvement, software, and algorithms;

    Genetic improvement in horticultural crops using gene editing and other modern biotechnologies;

    Integration with multi-omics revealing the molecular basis of important agronomic traits in horticultural crops.

Dr. Jun Tang
Dr. Liwei Gao
Guest Editors

Manuscript Submission Information

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Keywords

  • horticultural crop
  • biotechnology
  • gene function
  • genetics
  • genomics
  • genotype
  • phenotype

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Published Papers (1 paper)

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Research

22 pages, 6463 KiB  
Article
Screening Key Genes Related to Nitrogen Use Efficiency in Cucumber Through Weighted Gene Co-Expression Network Analysis
by Linhao Ma, Aimin Wei, Ce Liu, Nan Liu, Yike Han, Zhengwu Chen, Ningning Wang and Shengli Du
Genes 2024, 15(12), 1505; https://doi.org/10.3390/genes15121505 - 24 Nov 2024
Viewed by 251
Abstract
Cucumber (Cucumis sativus L.) is a crucial vegetable crop, requiring significant nitrogen fertilizer inputs. However, excessive nitrogen application not only impairs growth but also poses severe environmental risks. Thus, enhancing nitrogen use efficiency (NUE) in cucumber is imperative. For the identification of [...] Read more.
Cucumber (Cucumis sativus L.) is a crucial vegetable crop, requiring significant nitrogen fertilizer inputs. However, excessive nitrogen application not only impairs growth but also poses severe environmental risks. Thus, enhancing nitrogen use efficiency (NUE) in cucumber is imperative. For the identification of genes associated with NUE in cucumber, roots of high NUE and low NUE lines were analyzed under high nitrogen conditions. Using transcriptome sequencing through WGCNA, a total of 15,180 genes were categorized into 35 co-expression modules, with 5 modules being highly correlated with NUE. Based on differential expression within the five modules and the results of GO and KEGG enrichment analyses, 25 genes were identified as potentially related to NUE. Among these, CsaV4_1G002492 (GLR22), CsaV4_2G003460 (GLR35), CsaV4_3G000307 (NRT1.1), and CsaV4_7G001709 (UPS2) were homologous to genes in Arabidopsis known to directly participate in NUE related process. These four genes were chosen as key genes for further analysis. qRT-PCR analysis revealed that CsaV4_3G000307 and CsaV4_7G001709 were more active during the early stages of the high nitrogen treatment in the high NUE line. Conversely, CsaV4_1G002492 and CsaV4_2G003460 were more active in the low NUE line. Using transcriptomic analysis, a frameshift INDEL mutation was observed in CsaV4_3G000307 in the low NUE line, which impacted the compactness of the protein structure, potentially altering its function. Analysis of protein interactions of these four key genes predicted some potential interaction networks. This research offers critical insights into the genetic factors influencing NUE in cucumber, presenting potential targets for genetic modification or breeding programs. Full article
(This article belongs to the Special Issue Genetics and Breeding of Horticulture Crops—2nd Edition)
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