Metabolomics-Centered Mining of Crop Metabolic Diversity and Function

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Crop Breeding and Genetics".

Deadline for manuscript submissions: 30 November 2024 | Viewed by 681

Special Issue Editors


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Guest Editor
Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao 266101, China
Interests: the regulation of plant secondary metabolism; molecular breeding; natural product biosynthesis
Special Issues, Collections and Topics in MDPI journals
Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, China
Interests: crop; secondary metabolite; bioactivity; regulation; metabolomics

Special Issue Information

Dear Colleagues,

In response to environmental stimuli, plants produce large amounts of secondary metabolites that serve as antioxidants, antimicrobial agents, and modulators of biological processes to help protect plants from pathogens and predators. These secondary metabolites play a pivotal role in enhancing the nutritional values of plants, and they are often unique to specific plant species. Consumers could benefit from the consumption of crops abundant in specific secondary metabolites, which can aid in disease prevention, improve immune function, and promote overall well-being. Thus, understanding and regulating the production of secondary metabolites in crops is crucial for enhancing their nutritional values and improving human health. This Special Issue will be focused on “Metabolomics-Centered Mining of Crop Metabolic Diversity and Function” for plant biologists with expertise in the bioactivity and function of secondary metabolites in crops, the metabolomics of diverse crops, the regulation of secondary metabolism in crops, and the approaches for improving the nutritional values of crops to share their recent advances with plant biologists, farmers, and the scientific community.

Dr. Hongbo Zhang
Dr. Ning Yan
Guest Editors

Manuscript Submission Information

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Keywords

  • crop
  • metabolomics
  • nutrition
  • function
  • regulation

Published Papers (1 paper)

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Research

17 pages, 2636 KiB  
Article
Quantitative Trait Loci Mapping and Association Analysis of Solanesol Content in Tobacco (Nicotiana tabacum L.)
by Jing Liu, Dehu Xiang, Yongmei Du, Zhongfeng Zhang, Hongbo Zhang, Lirui Cheng, Qiujuan Fu, Ning Yan, Fuzhu Ju, Chaofan Qi, Yunkang Lei, Jun Wang and Yanhua Liu
Agronomy 2024, 14(7), 1370; https://doi.org/10.3390/agronomy14071370 - 26 Jun 2024
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Abstract
Solanesol, which accumulates predominantly in the leaves of tobacco plants, has medically important bioactive properties. To investigate the genetic basis of solanesol in tobacco (Nicotiana tabacum), the solanesol contents of 222 accessions, 206 individuals from an N. tabacum Maryland609 (low-solanesol) × [...] Read more.
Solanesol, which accumulates predominantly in the leaves of tobacco plants, has medically important bioactive properties. To investigate the genetic basis of solanesol in tobacco (Nicotiana tabacum), the solanesol contents of 222 accessions, 206 individuals from an N. tabacum Maryland609 (low-solanesol) × K326 (high-solanesol) F2 population and their corresponding F1 self-pollinations, were determined using ultra-performance liquid chromatography. Genome-wide quantitative trait locus (QTL) and association analysis were performed to identify QTLs and markers associated with solanesol content based on simple sequence repeat molecular markers. A total of 12 QTLs underlying solanesol content were mapped to seven linkage groups (LGs), with three of the QTLs (QTL3-1, QTL21-6, and QTL23-3) explaining 5.19–10.05% of the phenotypic variation. Association analysis revealed 38 significant marker-trait associations in at least one environment. The associations confirmed the QTLs located on LG3, LG10, LG14, LG21, and LG23, while new elite makers were located on 11 additional LGs, each explaining, respectively, 5.16–20.07% of the phenotypic variation. The markers LG14-PT54448, LG10-PT60114-2, LG10-PT60510, LG10-PT61061, and LG-21PT20388 may be useful for molecular-assisted selection of solanesol content in tobacco leaves. These results increase our understanding of the inheritance of solanesol-associated genes and will contribute to molecular-assisted breeding and further isolation of regulatory genes involved in solanesol biosynthesis in tobacco leaves. Full article
(This article belongs to the Special Issue Metabolomics-Centered Mining of Crop Metabolic Diversity and Function)
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