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| Content Provider | Springer Nature Link |
|---|---|
| Author | Chung, Hee Jeong, Young Min Mun, Jeong Hwan Lee, Soo Seong Chung, Won Hyong Yu, Hee Ju |
| Copyright Year | 2013 |
| Abstract | Brassica rapa is a member of the Brassicaceae family and includes vegetables and oil crops that are cultivated worldwide. The introduction of durable resistance against turnip mosaic virus (TuMV) into agronomically important cultivars has been a significant challenge for genetic and horticultural breeding studies of B. rapa. Based on our previous genome-wide analysis of DNA polymorphisms between the TuMV-resistant doubled haploid (DH) line VC40 and the TuMV-susceptible DH line SR5, we constructed a core genetic map of the VCS-13M DH population, which is composed of 83 individuals derived from microspore cultures of a F1 cross between VC40 and SR5, by analyzing the segregation of 314 sequence-characterized genetic markers. The genetic markers correspond to 221 SNPs and 31 InDels of genes as well as 62 SSRs, covering 1,115.9 cM with an average distance of 3.6 cM between the adjacent marker loci. The alignment and orientation of the constructed map showed good agreement with the draft genome sequence of Chiifu, thus providing an efficient strategy to map genic sequences. Using the genetic map, a novel dominant TuMV resistance locus (TuMV-R) in the VCS-13M DH population was identified as a 0.34 Mb region in the short arm of chromosome A6 in which four CC–NBS–LRR resistance genes and two pathogenesis-related-1 genes reside. The genetic map developed in this study can play an important role in the genetic study of TuMV resistance and the molecular breeding of B. rapa. |
| Starting Page | 149 |
| Ending Page | 160 |
| Page Count | 12 |
| File Format | |
| ISSN | 16174615 |
| Journal | Molecular and General Genetics MGG |
| Volume Number | 289 |
| Issue Number | 2 |
| e-ISSN | 16174623 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2013-12-11 |
| Publisher Place | Berlin/Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Brassica rapa Genetic map Doubled haploid population TuMV resistance locus Breeding Cell Biology Biochemistry Microbial Genetics and Genomics Plant Genetics & Genomics Animal Genetics and Genomics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Medicine Molecular Biology |
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