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Agriculture
Special Issues
Molecular Breeding and Genetic Improvement of Oilseed Crops
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Molecular Breeding and Genetic Improvement of Oilseed Crops

A special issue of Agriculture (ISSN 2077-0472). This special issue belongs to the section "Crop Genetics, Genomics and Breeding".

Deadline for manuscript submissions: closed (15 October 2024) | Viewed by 3012

Special Issue Editors

Dr. Chong Zhang

E-Mail Website
Guest Editor
Key Laboratory of Ministry of Education for Genetics, Center of Legume Crop Genetics and Systems Biology, Oil Crops Research Institute, Fujian Agriculture and Forestry University (FAFU), Fuzhou 350002, China
Interests: peaunt; bacterial wilt; gene function; genetic markers assistant breeding; transformation; molecular mechanism
Prof. Dr. Chuanzhi Zhao

E-Mail Website
Guest Editor
Shandong Academy of Agricultural Sciences, Jinan 250100, China
Interests: QTL mapping; germplasm resource innovation; peanut genome and molecular breeding; functional genomics; seed size

Special Issue Information

Dear Colleagues,

Oilseed crops play an important role in global agriculture and are essential for the human consumption of oil and biofuel production. Traditional breeding has played a major role in improving the yields of oilseed crops, but it is time-consuming and laborious. There is an urgent need to accelerate the breeding process using molecular breeding and genetic improvement technologies. With the rapid development of molecular biology in recent decades, molecular breeding using molecular marker-assisted selection, genome-wide selection and other techniques has shown great advantages in improving the agronomic traits of oilseed crops.

This Special Issue focuses on recent advances in the role of molecular breeding and genetic improving plays in improving the agronomic traits of oilseed crops. Submitted papers could cover the following issues:

  1. Genomics research: Explore the genome structure of oilseed crops, functional genes and genes related to oil synthesis.
  2. Molecular-marker-assisted breeding: Use molecular markers to assist in selecting breeding materials and accelerate the breeding of superior genes.
  3. Genetic transformation technology: Use genetic transformation technology to introduce exogenous genes and improve the stress resistance, yield and quality of oilseed crops.
  4. Functional genomics: Research the function of specific genes and their role in the growth, development and stress response of oilseed crops.

Dr. Chong Zhang
Prof. Dr. Chuanzhi Zhao
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. Agriculture 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 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

  • oilseed crops
  • molecular breeding
  • marker-assisted breeding
  • omics research
  • gene mapping
  • growth and development
  • yield
  • plant height
  • biotic stress
  • abiotic stress
  • growth period
  • functional genes
  • genetic transformation

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Published Papers (2 papers)

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Research

16 pages, 8519 KiB  
Article
Identification of Hotspot Regions for Candidate Genes Associated with Peanut (Arachis hypogaea L.) Pod and Seed Size on Chromosome A05
by Xiaoji Zhang, Luhuan Wang, Qimei Liu, Xiaoyu Zhang, Yuexia Tian, Yunyun Xue, Huiqi Zhang, Na Li, Xin Zhang and Dongmei Bai
Agriculture 2024, 14(9), 1634; https://doi.org/10.3390/agriculture14091634 - 18 Sep 2024
Viewed by 1120
Abstract
The size of peanut pods and seeds, which directly affects yield and quality, also has significant implications for mechanized production and market efficiency. Identifying relevant loci and mining candidate genes is crucial for cultivating high-yield peanut varieties. In this study, we employed advanced [...] Read more.
The size of peanut pods and seeds, which directly affects yield and quality, also has significant implications for mechanized production and market efficiency. Identifying relevant loci and mining candidate genes is crucial for cultivating high-yield peanut varieties. In this study, we employed advanced generation recombinant inbred lines developed by crossbreeding Huayu 44 and DF12 as the experimental material. Quantitative trait locus (QTL) mapping for traits related to pod and seed size was conducted across six environments. A total of 44 QTLs were detected, distributed on chromosomes A02, A05, B04, B08, and B10. An enrichment region for multiple QTLs was also identified on chromosome A05 (19.28~52.32 cm). In this region, 10 KASP markers were developed, narrowing the enrichment area to two candidate gene hotspot regions of 600.9 kb and 721.2 kb. By combining gene prediction and functional annotation within the intervals, 10 candidate genes, including those encoding cytochrome P450 protein, polyamine synthase, mannose-1-phosphate guanylyltransferase, pentatricopeptide repeat protein, and E2F transcription factor, were identified as regulators of pod and seed size. This study provides technical support for the genetic improvement and key gene identification of peanut pod and seed size. Full article
(This article belongs to the Special Issue Molecular Breeding and Genetic Improvement of Oilseed Crops)
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18 pages, 5596 KiB  
Article
Analysis of BnGPAT9 Gene Expression Patterns in Brassica napus and Its Impact on Seed Oil Content
by Man Xing, Bo Hong, Mengjie Lv, Xueyi Lan, Danhui Zhang, Chunlei Shu, Shucheng Qi, Zechuan Peng, Chunyun Guan, Xinghua Xiong and Luyao Huang
Agriculture 2024, 14(8), 1334; https://doi.org/10.3390/agriculture14081334 - 10 Aug 2024
Viewed by 1158
Abstract
Glycerol-3-phosphate acyltransferase (GPAT) genes encode enzymes involved in the biosynthesis of plant oils. Rapeseed has four BnGPAT9 genes, but the expression patterns and functions of these four homologous copies in rapeseed for seed oil accumulation are not well understood. In this [...] Read more.
Glycerol-3-phosphate acyltransferase (GPAT) genes encode enzymes involved in the biosynthesis of plant oils. Rapeseed has four BnGPAT9 genes, but the expression patterns and functions of these four homologous copies in rapeseed for seed oil accumulation are not well understood. In this study, we cloned the four BnGPAT9 genes and their promoters from Brassica napus and found significant differences in the expression of BnGPAT9 genes among different rapeseed varieties. We confirmed that BnGPAT9-A01/C01 are highly conserved in rapeseed, with high expression levels in various tissues, especially during the late stages of silique development and seed maturation. All four BnGPAT9 genes (BnGPAT9-A01/C01/A10/C09) can promote seed oil accumulation, but BnGPAT9-A01/C01 have a greater effect. Overexpression in Arabidopsis and rapeseed increased seed oil content and altered fatty acid composition, significantly increasing linolenic acid content. Transcriptome analysis revealed that BnGPAT9 genes promote the upregulation of genes related to oil synthesis, particularly those in the Plant–pathogen interaction, alpha-Linolenic acid metabolism, MAPK signaling pathway—plant, and Glutathione metabolism pathways. In summary, these results indicate that the four BnGPAT9 genes in rapeseed have different expression patterns and roles in regulating seed oil accumulation, with BnGPAT9-A01/C01 contributing the most to promoting oil accumulation. Full article
(This article belongs to the Special Issue Molecular Breeding and Genetic Improvement of Oilseed Crops)
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