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Agriculture
Special Issues
Breeding, Genetics, and Genomics of Rice
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Breeding, Genetics, and Genomics of Rice

A special issue of Agriculture (ISSN 2077-0472). This special issue belongs to the section "Genotype Evaluation and Breeding".

Deadline for manuscript submissions: closed (20 June 2023) | Viewed by 3952

Special Issue Editor

Dr. Lihong Xie

E-Mail Website
Guest Editor
China National Rice Research Institute, Hangzhou 310006, China
Interests: Rice; quality; eat and cooking; aroma; flavor; protein content; amylose content; chalkiness

Special Issue Information

Dear Colleagues,

Breeding practices of modern rice agriculture are critical in satisfying the increasing number of consumer demands for a high grain quality, a primary challenge due to the complex quality traits controlled by polygenes or quantitative trait loci. Therefore, a deeper understanding is of crucial importance to uncover how to identify and map the genomic regions for quality traits, with the aim of breeding new high-quality rice varieties.

This Special Issue regarding the basic mechanism of rice quality focuses on decoding the genetic basis of the grain quality of rice, including milling, physical appearance, eating and cooking, sensory and nutritional value parameters, etc. We welcome all types of articles, such as original research, opinions, and reviews, covering a broad range of gene identification, QTL mapping, marker development and gene cloning.

Dr. Lihong Xie
Guest Editor

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 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

  • rice
  • quality
  • gene
  • map
  • clone
  • QTL
  • molecular marker

Published Papers (2 papers)

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Research

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9 pages, 672 KiB  
Article
Identification and Verification of qGS11, a QTL Controlling Grain Size and Heading Date in Rice
by Chang-Lin Zheng, Shi-Lin Wang, Ye-Yang Fan, Ting-Xu Huang, Jie-Yun Zhuang, Yu-Jun Zhu and Hui Zhang
Agriculture 2022, 12(9), 1384; https://doi.org/10.3390/agriculture12091384 - 03 Sep 2022
Viewed by 1085
Abstract
Grain size, shape and weight are important factors influencing grain yield and quality of rice. They are mostly determined by grain length (GL) and grain width (GW). A 13.2 Mb interval, RM167–RM287 on chromosome 11 of rice, was previously found to be associated [...] Read more.
Grain size, shape and weight are important factors influencing grain yield and quality of rice. They are mostly determined by grain length (GL) and grain width (GW). A 13.2 Mb interval, RM167–RM287 on chromosome 11 of rice, was previously found to be associated with variations in 1000-grain weight (TGW). In this study, three populations derived from the indica rice cross Teqing/IRBB52 were used to identify and validate quantitative trait loci (QTLs) controlling GL, GW, TGW and the ratio of GL to GW (RLW) in the RM167–RM287 region. First, two QTL clusters associated with these traits were detected using two populations, segregating the RM167–RM287 interval only. One controlled GL, GW and TGW and was designated as qGS11. The other controlled GL and RLW. The allelic directions of the two QTL clusters on GL were opposite. Then, qGS11 was further mapped in a 1.4 Mb interval using near-isogenic lines, showing a small effect on GL and a relatively large effect on TGW, GW and RLW. Meanwhile, a stable and small effect on the heading date was detected. The allelic direction for the heading date was the opposite for TGW and GW but the same for GL and RLW. The results suggest that qGS11 has the potential for application in rice breeding. Full article
(This article belongs to the Special Issue Breeding, Genetics, and Genomics of Rice)
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Review

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17 pages, 1023 KiB  
Review
Integrated Genetic and Omics Approaches for the Regulation of Nutritional Activities in Rice (Oryza sativa L.)
by Muhammad Junaid Zaghum, Kashir Ali and Sheng Teng
Agriculture 2022, 12(11), 1757; https://doi.org/10.3390/agriculture12111757 - 24 Oct 2022
Cited by 9 | Viewed by 2282
Abstract
The primary considerations in rice (Oryza sativa L.) production evoke improvements in the nutritional quality as well as production. Rice cultivars need to be developed to tackle hunger globally with high yield and better nutrition. The traditional cultivation methods of rice to [...] Read more.
The primary considerations in rice (Oryza sativa L.) production evoke improvements in the nutritional quality as well as production. Rice cultivars need to be developed to tackle hunger globally with high yield and better nutrition. The traditional cultivation methods of rice to increase the production by use of non-judicious fertilizers to fulfill the nutritional requirement of the masses. This article provokes nutritional strategies by utilization of available omics techniques to increase the nutritional profiling of rice. Recent scientific advancements in genetic resources provide many approaches for better understanding the molecular mechanisms encircled in a specific trait for its up- or down-regulation for opening new horizons for marker-assisted breeding of new rice varieties. In this perspective, genome-wide association studies, genome selection (GS) and QTL mapping are all genetic analysis that help in precise augmentation of specific nutritional enrichment in rice grain. Implementation of several omics techniques are effective approaches to enhance and regulate the nutritional quality of rice cultivars. Advancements in different types of omics including genomics and pangenomics, transcriptomics, metabolomics, nutrigenomics and proteomics are also relevant to rice development initiatives. This review article compiles genes, locus, mutants and for rice yield and yield attribute enhancement. This knowledge will be useful for now and for the future regarding rice studies. Full article
(This article belongs to the Special Issue Breeding, Genetics, and Genomics of Rice)
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