Analysis of segregation distortion and its relationship to hybrid barriers in rice
Segregation distortion (SD) is a frequently observed occurrence in mapping populations generated from crosses involving divergent genotypes. In the present study, ten genetic linkage maps constructed from reciprocal F2 and BC1F1 mapping populations derived from the parents Dasanbyeo (indica) and Ilp...
| Main Authors: | , , , , , , , , |
|---|---|
| Format: | Journal Article |
| Language: | Inglés |
| Published: |
Springer
2014
|
| Online Access: | https://hdl.handle.net/10568/165490 |
| _version_ | 1855518576892444672 |
|---|---|
| author | Reflinur Kim, Backki Jang, Sun Mi Chu, Sang-Ho Bordiya, Yogendra Akter, Md Babul Lee, Joohyun Chin, Joong Hyoun Koh, Hee-Jong |
| author_browse | Akter, Md Babul Bordiya, Yogendra Chin, Joong Hyoun Chu, Sang-Ho Jang, Sun Mi Kim, Backki Koh, Hee-Jong Lee, Joohyun Reflinur |
| author_facet | Reflinur Kim, Backki Jang, Sun Mi Chu, Sang-Ho Bordiya, Yogendra Akter, Md Babul Lee, Joohyun Chin, Joong Hyoun Koh, Hee-Jong |
| author_sort | Reflinur |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Segregation distortion (SD) is a frequently observed occurrence in mapping populations generated from crosses involving divergent genotypes. In the present study, ten genetic linkage maps constructed from reciprocal F2 and BC1F1 mapping populations derived from the parents Dasanbyeo (indica) and Ilpumbyeo (japonica) were used to identify the distribution, effect, and magnitude of the genetic factors underlying the mechanisms of SD between the two subspecies. Results SD loci detected in the present study were affected by male function, female function, and zygotic selection. The most pronounced SD loci were mapped to chromosome 3 (transmitted through male gametes), chromosome 5 (transmitted through male gametes), and chromosome 6 (transmitted through female gametes). The level of SD in BC1F1 populations which defined by chi-square value independence multiple tests was relatively low in comparison to F2 populations. Dasanbyeo alleles were transmitted at a higher frequency in both F2 and BC1F1 populations, suggesting that indic a alleles are strongly favored in inter-subspecific crosses in rice. SD loci in the present study corresponded to previously reported loci for reproductive barriers. In addition, new SD loci were detected on chromosomes 2 and 12. Conclusion The identification of the distribution of SD and the effect of genetic factors causing SD in genetic mapping populations provides an opportunity to survey the whole genome for new SD loci and their relationships to reproductive barriers. This provides a basis for future research on the elucidation of the genetic mechanisms underlying SD in rice, and will be useful in molecular breeding programs. |
| format | Journal Article |
| id | CGSpace165490 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2014 |
| publishDateRange | 2014 |
| publishDateSort | 2014 |
| publisher | Springer |
| publisherStr | Springer |
| record_format | dspace |
| spelling | CGSpace1654902024-12-19T14:12:07Z Analysis of segregation distortion and its relationship to hybrid barriers in rice Reflinur Kim, Backki Jang, Sun Mi Chu, Sang-Ho Bordiya, Yogendra Akter, Md Babul Lee, Joohyun Chin, Joong Hyoun Koh, Hee-Jong Segregation distortion (SD) is a frequently observed occurrence in mapping populations generated from crosses involving divergent genotypes. In the present study, ten genetic linkage maps constructed from reciprocal F2 and BC1F1 mapping populations derived from the parents Dasanbyeo (indica) and Ilpumbyeo (japonica) were used to identify the distribution, effect, and magnitude of the genetic factors underlying the mechanisms of SD between the two subspecies. Results SD loci detected in the present study were affected by male function, female function, and zygotic selection. The most pronounced SD loci were mapped to chromosome 3 (transmitted through male gametes), chromosome 5 (transmitted through male gametes), and chromosome 6 (transmitted through female gametes). The level of SD in BC1F1 populations which defined by chi-square value independence multiple tests was relatively low in comparison to F2 populations. Dasanbyeo alleles were transmitted at a higher frequency in both F2 and BC1F1 populations, suggesting that indic a alleles are strongly favored in inter-subspecific crosses in rice. SD loci in the present study corresponded to previously reported loci for reproductive barriers. In addition, new SD loci were detected on chromosomes 2 and 12. Conclusion The identification of the distribution of SD and the effect of genetic factors causing SD in genetic mapping populations provides an opportunity to survey the whole genome for new SD loci and their relationships to reproductive barriers. This provides a basis for future research on the elucidation of the genetic mechanisms underlying SD in rice, and will be useful in molecular breeding programs. 2014-12 2024-12-19T12:55:08Z 2024-12-19T12:55:08Z Journal Article https://hdl.handle.net/10568/165490 en Open Access Springer Reflinur, ; Reflinur; Kim, Backki; Jang, Sun Mi; Chu, Sang-Ho; Bordiya, Yogendra; Akter, Md Babul; Lee, Joohyun; Chin, Joong Hyoun and Koh, Hee-Jong. 2014. Analysis of segregation distortion and its relationship to hybrid barriers in rice. Rice, Volume 7, no. 1 |
| spellingShingle | Reflinur Kim, Backki Jang, Sun Mi Chu, Sang-Ho Bordiya, Yogendra Akter, Md Babul Lee, Joohyun Chin, Joong Hyoun Koh, Hee-Jong Analysis of segregation distortion and its relationship to hybrid barriers in rice |
| title | Analysis of segregation distortion and its relationship to hybrid barriers in rice |
| title_full | Analysis of segregation distortion and its relationship to hybrid barriers in rice |
| title_fullStr | Analysis of segregation distortion and its relationship to hybrid barriers in rice |
| title_full_unstemmed | Analysis of segregation distortion and its relationship to hybrid barriers in rice |
| title_short | Analysis of segregation distortion and its relationship to hybrid barriers in rice |
| title_sort | analysis of segregation distortion and its relationship to hybrid barriers in rice |
| url | https://hdl.handle.net/10568/165490 |
| work_keys_str_mv | AT reflinur analysisofsegregationdistortionanditsrelationshiptohybridbarriersinrice AT kimbackki analysisofsegregationdistortionanditsrelationshiptohybridbarriersinrice AT jangsunmi analysisofsegregationdistortionanditsrelationshiptohybridbarriersinrice AT chusangho analysisofsegregationdistortionanditsrelationshiptohybridbarriersinrice AT bordiyayogendra analysisofsegregationdistortionanditsrelationshiptohybridbarriersinrice AT aktermdbabul analysisofsegregationdistortionanditsrelationshiptohybridbarriersinrice AT leejoohyun analysisofsegregationdistortionanditsrelationshiptohybridbarriersinrice AT chinjoonghyoun analysisofsegregationdistortionanditsrelationshiptohybridbarriersinrice AT kohheejong analysisofsegregationdistortionanditsrelationshiptohybridbarriersinrice |