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Advances in Research for Horticultural Crops Breeding and Genetics: 2nd Edition

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Plant Sciences".

Deadline for manuscript submissions: 30 July 2024 | Viewed by 792

Special Issue Editors


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Guest Editor
State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, China
Interests: horticultural crop genetics and germplasm enhancement; secondary metabolism; abiotic stress; horticultural crop evolutionary genomics and domestication
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Special Issue Information

Dear Colleagues,

Horticultural crops are excellent sources of carbohydrates, protein, dietary fiber, vitamins and minerals, as well as the major source of most dietary antioxidants. With the growing world population and the effects of climate change, there is a need to enhance the production and also the quality of horticultural products. To meet future ecological and economic demands, conventional breeding methods combine with new biological technologies, such as the high throughput technologies, molecular markers, genetic engineering and genome editing, and phenomics, have been widely applied to lead the improvement of yield, quality, abiotic and biotic stresses in horticultural crops, and accelerate the development of new or improved cultivars.

The purpose of this Special Issue is to report the advances research for horticultural crops breeding and genetics. All original research papers or reviews are encouraged, to highlight innovative research aimed at improving horticultural crops, and to enrich the knowledge of various agronomic traits and functions.

Prof. Dr. Aisheng Xiong
Dr. Mengyao Li
Guest Editors

Manuscript Submission Information

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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. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

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Keywords

  • horticultural crops
  • breeding
  • genetics

Published Papers (1 paper)

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Research

17 pages, 22053 KiB  
Article
Genome-Wide Identification of the WRKY Gene Family and Functional Characterization of CpWRKY5 in Cucurbita pepo
by Junhong Chen, Fei Tao, Yingyu Xue, Bingliang Xu and Xiaowei Li
Int. J. Mol. Sci. 2024, 25(8), 4177; https://doi.org/10.3390/ijms25084177 - 10 Apr 2024
Cited by 1 | Viewed by 582
Abstract
The WRKY gene family is crucial for regulating plant growth and development. However, the WRKY gene is rarely studied in naked kernel formation in hull-less Cucurbita pepo L. (HLCP), a natural mutant that lacks the seed coat. In this research, 76 WRKY genes [...] Read more.
The WRKY gene family is crucial for regulating plant growth and development. However, the WRKY gene is rarely studied in naked kernel formation in hull-less Cucurbita pepo L. (HLCP), a natural mutant that lacks the seed coat. In this research, 76 WRKY genes were identified through bioinformatics-based methods in C. pepo, and their phylogenetics, conserved motifs, synteny, collinearity, and temporal expression during seed coat development were analyzed. The results showed that 76 CpWRKYs were identified and categorized into three main groups (I−III), with Group II further divided into five subgroups (IIa−IIe). Moreover, 31 segmental duplication events were identified in 49 CpWRKY genes. A synteny analysis revealed that C. pepo shared more collinear regions with cucumber than with melon. Furthermore, quantitative RT-PCR (qRT-PCR) results indicated the differential expression of CpWRKYs across different varieties, with notable variations in seed coat development between HLCP and CP being attributed to differences in CpWRKY5 expression. To investigate this further, CpWRKY5-overexpression tobacco plants were generated, resulting in increased lignin content and an upregulation of related genes, as confirmed by qRT-PCR. This study offers valuable insights for future functional investigations of CpWRKY genes and presents novel information for understanding the regulation mechanism of lignin synthesis. Full article
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