Genetic Diversity, Germplasm Resources, and Biotechnologies Applications for Sustained Rice Improvement

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Crop Physiology and Crop Production".

Deadline for manuscript submissions: closed (20 June 2023) | Viewed by 1657

Special Issue Editors


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Guest Editor
China National Center for Rice Improvement/ State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 310006, China
Interests: rice germplasm; genomics and genetics; genetic diversity; GWAS
Special Issues, Collections and Topics in MDPI journals
China National Center for Rice Improvement/ State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 310006, China
Interests: rice germplasm; genomics and genetics; genetic diversity; GWAS

Special Issue Information

Dear Colleagues,

Rice (Oryza sativa L.) is one of the most important food crops in the world. Its cultivation area accounts for about 30% of the total area of food crops and the yield of rice accounts for more than 40% of the total food production. The rice genome has only 4.3 million base pairs, the genetic transformation system is mature, and it has the characteristics of synteny and collinearity with other gramineous plant genomes, making it a model plant for crop molecular genetics and genome research. With the completion of genome sequencing of rice and many other species, we have entered the post-genomic era from structural genomics, otherwise known as functional genomics. Rice functional genome research is aimed at the molecular regulatory network, formed by important agronomic traits, and is applied it to molecularly improve important agronomic traits. Based on the latest research methods of functional genomics, the molecular genetic mechanism regarding the multi-gene control of important agronomic traits was systematically studied to provide knowledge and technical guarantee for the improvement of crop varieties in China.

The editor encourages you to contribute research articles or comments to this project, including functional genomic studies of important agronomic traits in rice, crop population genomics based on high-throughput sequencing, and the applications and future potential of omics studies in crop breeding.

Dr. Yaolong Yang
Dr. Xu Qun
Guest Editors

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Keywords

  • rice
  • agriculture
  • genome
  • breeding
  • diversity

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Published Papers (1 paper)

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Research

11 pages, 1265 KiB  
Article
Identification of QTLs Conferring Resistance to Bacterial Diseases in Rice
by Yuan Fang, Di Ding, Yujia Gu, Qiwei Jia, Qiaolin Zheng, Qian Qian, Yuexing Wang, Yuchun Rao and Yijian Mao
Plants 2023, 12(15), 2853; https://doi.org/10.3390/plants12152853 - 2 Aug 2023
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Abstract
Bacterial panicle blight, bacterial leaf streak, and bacterial brown stripe are common bacterial diseases in rice that represent global threats to stable rice yields. In this study, we used the rice variety HZ, Nekken and their 120 RIL population as experimental materials. Phenotypes [...] Read more.
Bacterial panicle blight, bacterial leaf streak, and bacterial brown stripe are common bacterial diseases in rice that represent global threats to stable rice yields. In this study, we used the rice variety HZ, Nekken and their 120 RIL population as experimental materials. Phenotypes of the parents and RILs were quantitatively analyzed after inoculation with Burkholderia glumae, Xanthomonas oryzae pv. oryzicola, and Acidovorax avenae subsp. avenae. Genetic SNP maps were also constructed and used for QTL mapping of the quantitative traits. We located 40 QTL loci on 12 chromosomes. The analysis of disease resistance-related candidate genes in the QTL regions with high LOD value on chromosomes 1, 3, 4, and 12 revealed differential expression before and after treatment, suggesting that the identified genes mediated the variable disease resistance profiles of Huazhan and Nekken2. These results provide an important foundation for cloning bacterial-resistant QTLs of panicle blight, leaf streak, and brown stripe in rice. Full article
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