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Molecular Genetics and Physiology of Crops
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Molecular Genetics and Physiology of Crops

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

Deadline for manuscript submissions: closed (15 March 2024) | Viewed by 1039

Special Issue Editors

Dr. Liyu Chen

E-Mail Website
Guest Editor
Innovative Center of Molecular Genetics and Evolution, School of Life Sciences, Guangzhou University, Guangzhou 510006, China
Interests: soybean biotechnology; soybean genetics; molecular breeding; plant nutrition
Dr. Xinxin Li

E-Mail Website
Guest Editor
Root Biology Center, Fujian Agriculture and Forestry University, Fuzhou 350002, China
Interests: nodulation; root architecture; phosphorus efficiency

Special Issue Information

Dear Colleagues,

Crops have a complex genetic basis that makes it difficult to improve some important agronomic traits. Studies on the genetic diversity of crops are not comprehensive enough, and the genetic basis of important morphological physiological traits has not been systematically analyzed. It is necessary to explore the genetic variation of related traits at the physiological and molecular levels to discover and utilize key gene sources. This Special Issue "Molecular Genetics and Physiology of Crops" will be published in Genes. The collection will include research papers and review articles, reflecting the most recent progress and solutions to challenges in this dynamic research area.

Dr. Liyu Chen
Dr. Xinxin Li
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. Genes is an international peer-reviewed open access monthly 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

  • molecular genetics
  • molecular physiology
  • molecular biology
  • molecular informatics
  • crops

Published Papers (1 paper)

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Research

16 pages, 2003 KiB  
Article
Identification of Putative Quantitative Trait Loci for Improved Seed Oil Quality in Peanuts
by Pengju Hu, Jianan Zhang, Yahui Song, Xing Zhao, Xinxin Jin, Qiao Su, Yongqing Yang and Jin Wang
Genes 2024, 15(1), 75; https://doi.org/10.3390/genes15010075 - 5 Jan 2024
Viewed by 787
Abstract
Improving seed oil quality in peanut (Arachis hypogaea) has long been an aim of breeding programs worldwide. The genetic resources to achieve this goal are limited. We used an advanced recombinant inbred line (RIL) population derived from JH5 × KX01-6 to [...] Read more.
Improving seed oil quality in peanut (Arachis hypogaea) has long been an aim of breeding programs worldwide. The genetic resources to achieve this goal are limited. We used an advanced recombinant inbred line (RIL) population derived from JH5 × KX01-6 to explore quantitative trait loci (QTL) affecting peanut oil quality and their additive effects, epistatic effects, and QTL × environment interactions. Gas chromatography (GC) analysis suggested seven fatty acids components were obviously detected in both parents and analyzed in a follow-up QTL analysis. The major components, palmitic acid (C16:0), oleic acid (C18:1), and linoleic acid (C18:2), exhibited considerable phenotypic variation and fit the two major gene and minor gene mixed-inheritance model. Seventeen QTL explained 2.57–38.72% of the phenotypic variation in these major components, with LOD values of 4.12–37.56 in six environments, and thirty-five QTL explained 0.94–32.21% of the phenotypic variation, with LOD values of 5.99–150.38 in multiple environments. Sixteen of these QTL were detected in both individual and multiple environments. Among these, qFA_08_1 was a novel QTL with stable, valuable and major effect. Two other major-effect QTL, qFA_09_2 and qFA_19_3, share the same physical position as FAD2A and FAD2B, respectively. Eleven stable epistatic QTL involving nine loci explained 1.30–34.97% of the phenotypic variation, with epistatic effects ranging from 0.09 to 6.13. These QTL could be valuable for breeding varieties with improved oil quality. Full article
(This article belongs to the Special Issue Molecular Genetics and Physiology of Crops)
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