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当前位置: 首页 > 文章 > Rice molecular markers and genetic mapping: Current status and prospects 农业科学学报 (英文) 2017,16 (9)
Position: Home > Articles > Rice molecular markers and genetic mapping: Current status and prospects Journal of Integrative Agriculture 2017,16 (9)

Rice molecular markers and genetic mapping: Current status and prospects

作  者：
Shabir, Ghulam;Aslam, Kashif;Khan, Abdul Rehman;Shahid, Muhammad;Manzoor, Hamid;Noreen, Sibgha;Khan, Mueen Alam;Baber, Muhammad;Sabar, Muhammad;Shah, Shahid Masood;Arif, Muhammad
单  位：
Natl Inst Biotechnol & Genet Engn, Faisalabad 38000, Pakistan;Rice Res Inst, Kala Shah Kaku 39020, Pakistan;Islamia Univ Bahawalpur, Dept Plant Breeding & Genet, Bahawalpur 63100, Pakistan;Nanjing Agr Univ, Natl Ctr Soybean Improvement, Nanjing 210095, Jiangsu, Peoples R China;Govt Coll Univ, Dept Bioinformat & Biotechnol, Faisalabad 38000, Pakistan;COMSATS Inst Informat Technol, Biotechnol Program, Environm Sci, Abbottabad 22010, Pakistan;Bahauddin Zakariya Univ, Inst Pure & Appl Biol, Multan 60000, Pakistan;Bahauddin Zakariya Univ, Inst Mol Biol & Biotechnol, Mutan 60000, Pakistan
关键词：
genetic mapping;molecular markers;maker assisted selection;Oryza sativa L.;quantitative trait loci
摘  要：
Dramatic changes in climatic conditions that supplement the biotic and abiotic stresses pose severe threat to the sustainable rice production and have made it a difficult task for rice molecular breeders to enhance production and productivity under these stress factors. The main focus of rice molecular breeders is to understand the fundamentals of molecular pathways involved in complex agronomic traits to increase the yield. The availability of complete rice genome sequence and recent improvements in rice genomics research has made it possible to detect and map accurately a large number of genes by using linkage to DNA markers. Linkage mapping is an effective approach to identify the genetic markers which are co-segregating with target traits within the family. The ideas of genetic diversity, quantitative trait locus (QTL) mapping, and marker-assisted selection (MAS) are evolving into more efficient concepts of linkage disequilibrium (LD) also called association mapping and genomic selection (GS), respectively. The use of cost-effective DNA markers derived from the fine mapped position of the genes for important agronomic traits will provide opportunities for breeders to develop high-yielding, stress-resistant, and better quality rice cultivars. Here we focus on the progress of molecular marker technologies, their application in genetic mapping and evolution of association mapping techniques in rice.

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