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Rapeseed: Genetic Breeding, Key Trait Mining and Genome

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: 20 December 2025 | Viewed by 240

Special Issue Editor


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Guest Editor
School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China
Interests: rapeseed (Brassica napus L.); genetic breeding; stress resistance traits

Special Issue Information

Dear Colleagues,

Rapeseed is a globally important oilseed crop, with genetic improvement playing a critical role in enhancing its yield, oil quality, stress tolerance, and sustainability. Despite significant progress in rapeseed research, challenges remain in fully leveraging its genetic potential. This Special Issue, "Rapeseed: Genetic Breeding, Key Trait Mining and Genome", focuses on recent advances and innovations in the genomic studies, genetic dissection of key traits and genetic breeding of rapeseed. It aims to address the pressing need for new discoveries and methodologies in this field, fostering the development of superior varieties.

The issue welcomes studies utilizing cutting-edge approaches such as genome-wide association studies (GWAS), multi-omics integration (e.g., transcriptomics, metabolomics, and epigenomics), and CRISPR-based gene editing. It also encourages contributions on key trait mining, including stress resistance (e.g., drought, salinity, cold), high oil content, seed quality, and disease resistance. Further, the issue seeks to explore the application of advanced breeding technologies like marker-assisted selection (MAS), genomic selection, and trait pyramiding for precise genetic improvement.

This Special Issue offers a platform for researchers to share novel findings, methodologies, and applications that will accelerate the genetic improvement of rapeseed, addressing current agricultural and environmental challenges.

Dr. Hongbo Chao
Guest Editor

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Keywords

  • rapeseed (Brassica napus L.)
  • genetic breeding
  • genomic improvement
  • molecular markers
  • genome-wide association studies (GWAS)
  • multi-omics integration
  • CRISPR gene editing
  • marker-assisted selection (MAS)
  • stress resistance traits
  • yield and oil content improvement

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Published Papers (1 paper)

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Research

13 pages, 2932 KiB  
Article
Induction of Resistance Against Sclerotinia sclerotiorum in Rapeseed by β-Ocimene Through Enhanced Production of Coniferyl Aldehyde
by Xiang Xie, Zhonglong Yang, Wei Zhong, Hongjiang Li, Wenjing Deng, Ying Ruan and Chunlin Liu
Int. J. Mol. Sci. 2025, 26(12), 5678; https://doi.org/10.3390/ijms26125678 - 13 Jun 2025
Abstract
Rapeseed (Brassica napus) is an essential oil resource, but its yield can be significantly compromised by Sclerotinia sclerotiorum (S. sclerotiorum) infection. Due to the absence of rapeseed strains that are highly or completely immune to S. sclerotiorum, enhancing [...] Read more.
Rapeseed (Brassica napus) is an essential oil resource, but its yield can be significantly compromised by Sclerotinia sclerotiorum (S. sclerotiorum) infection. Due to the absence of rapeseed strains that are highly or completely immune to S. sclerotiorum, enhancing rapeseed resistance through genetic approaches is challenging. In this study, we developed a novel method to enhance rapeseed resistance to S. sclerotiorum using β-ocimene. Our results demonstrated that β-ocimene treatment significantly strengthened the defense capabilities of rapeseed. β-ocimene treatment can simultaneously activate multiple defense-related signaling pathways, including jasmonic acid signaling, salicylic acid signaling, and MAPK signaling, in rapeseed, while also inducing the accumulation of secondary metabolites coniferyl aldehyde—a key secondary metabolite in the phenylpropanoid pathway critical for plant defense responses. Furthermore, applying coniferyl aldehyde to the leaves of rapeseed can remarkably enhance its resistance to sclerotinia disease. Collectively, these findings confirm that β-ocimene activates the defense system of rapeseed, elevates the content of coniferyl aldehyde, and thereby enables rapeseed to effectively combat sclerotinia disease. The metabolomics data are available via MetaboLights under the identifier MTBLS12510. In conclusion, this study not only uncovers the mechanism by which β-ocimene induces rapeseed resistance to sclerotinia disease but also presents a novel approach for its prevention and control. Full article
(This article belongs to the Special Issue Rapeseed: Genetic Breeding, Key Trait Mining and Genome)
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