A comparative assessment of molecular marker assays (AFLP, RAPD and SSR) for white yam (Dioscorea rotundata) germplasm characterisation
Several DNA-based marker systems are available for genetic fingerprinting of plants but information on their relative usefulness for yam germplasm characterisation is lacking. The efficiency of RAPD, AFLP and SSR markers for the assessment of genetic relationships, and for cultivar identification an...
| Autores principales: | , , |
|---|---|
| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
Wiley
2003
|
| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/96346 |
| _version_ | 1855516370517622784 |
|---|---|
| author | Mignouna, Hodeba D. Abang, Mathew M. Fagbemi, S.A. |
| author_browse | Abang, Mathew M. Fagbemi, S.A. Mignouna, Hodeba D. |
| author_facet | Mignouna, Hodeba D. Abang, Mathew M. Fagbemi, S.A. |
| author_sort | Mignouna, Hodeba D. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Several DNA-based marker systems are available for genetic fingerprinting of plants but information on their relative usefulness for yam germplasm characterisation is lacking. The efficiency of RAPD, AFLP and SSR markers for the assessment of genetic relationships, and for cultivar identification and discrimination among 45 West and Central African white yam cultivars belonging to 22 morphotypes/cultivar groups was investigated. Dendrograms were produced based on band pattern scores using the UPGMA method. Results showed that each of the three techniques could unequivocably identify each cultivar, but that techniques differed in the mean number of profiles generated per primer (or primer pair) per cultivar, referred to as genotype index (GI). The order of merit based on this criterion in this study was AFLPs (GI = 2.56), SSRs (GI = 0.39) and RAPDs (GI = 0.35). Yam genotypes classified in the same cultivar group based on morphology were often genetically different, emphasising the need for molecular fingerprinting in yam germplasm characterisation. AFLPs showed the highest efficiency in detecting polymorphism and revealed genetic relationships that most closely reflected morphological classification. |
| format | Journal Article |
| id | CGSpace96346 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2003 |
| publishDateRange | 2003 |
| publishDateSort | 2003 |
| publisher | Wiley |
| publisherStr | Wiley |
| record_format | dspace |
| spelling | CGSpace963462024-05-15T05:11:19Z A comparative assessment of molecular marker assays (AFLP, RAPD and SSR) for white yam (Dioscorea rotundata) germplasm characterisation Mignouna, Hodeba D. Abang, Mathew M. Fagbemi, S.A. dioscorea rotundata genetic variation genotypes molecular markers dna Several DNA-based marker systems are available for genetic fingerprinting of plants but information on their relative usefulness for yam germplasm characterisation is lacking. The efficiency of RAPD, AFLP and SSR markers for the assessment of genetic relationships, and for cultivar identification and discrimination among 45 West and Central African white yam cultivars belonging to 22 morphotypes/cultivar groups was investigated. Dendrograms were produced based on band pattern scores using the UPGMA method. Results showed that each of the three techniques could unequivocably identify each cultivar, but that techniques differed in the mean number of profiles generated per primer (or primer pair) per cultivar, referred to as genotype index (GI). The order of merit based on this criterion in this study was AFLPs (GI = 2.56), SSRs (GI = 0.39) and RAPDs (GI = 0.35). Yam genotypes classified in the same cultivar group based on morphology were often genetically different, emphasising the need for molecular fingerprinting in yam germplasm characterisation. AFLPs showed the highest efficiency in detecting polymorphism and revealed genetic relationships that most closely reflected morphological classification. 2003-06 2018-08-09T06:40:30Z 2018-08-09T06:40:30Z Journal Article https://hdl.handle.net/10568/96346 en Limited Access Wiley Mignouna, H.D., Abang, M.M. & Fagbemi, S.A. (2003). A comparative assessment of molecular marker assays (AFLP, RAPD and SSR) for white yam (Dioscorea rotundata) germplasm characterization. Annals of Applied Biology, 142(3), 269-276. |
| spellingShingle | dioscorea rotundata genetic variation genotypes molecular markers dna Mignouna, Hodeba D. Abang, Mathew M. Fagbemi, S.A. A comparative assessment of molecular marker assays (AFLP, RAPD and SSR) for white yam (Dioscorea rotundata) germplasm characterisation |
| title | A comparative assessment of molecular marker assays (AFLP, RAPD and SSR) for white yam (Dioscorea rotundata) germplasm characterisation |
| title_full | A comparative assessment of molecular marker assays (AFLP, RAPD and SSR) for white yam (Dioscorea rotundata) germplasm characterisation |
| title_fullStr | A comparative assessment of molecular marker assays (AFLP, RAPD and SSR) for white yam (Dioscorea rotundata) germplasm characterisation |
| title_full_unstemmed | A comparative assessment of molecular marker assays (AFLP, RAPD and SSR) for white yam (Dioscorea rotundata) germplasm characterisation |
| title_short | A comparative assessment of molecular marker assays (AFLP, RAPD and SSR) for white yam (Dioscorea rotundata) germplasm characterisation |
| title_sort | comparative assessment of molecular marker assays aflp rapd and ssr for white yam dioscorea rotundata germplasm characterisation |
| topic | dioscorea rotundata genetic variation genotypes molecular markers dna |
| url | https://hdl.handle.net/10568/96346 |
| work_keys_str_mv | AT mignounahodebad acomparativeassessmentofmolecularmarkerassaysaflprapdandssrforwhiteyamdioscorearotundatagermplasmcharacterisation AT abangmathewm acomparativeassessmentofmolecularmarkerassaysaflprapdandssrforwhiteyamdioscorearotundatagermplasmcharacterisation AT fagbemisa acomparativeassessmentofmolecularmarkerassaysaflprapdandssrforwhiteyamdioscorearotundatagermplasmcharacterisation AT mignounahodebad comparativeassessmentofmolecularmarkerassaysaflprapdandssrforwhiteyamdioscorearotundatagermplasmcharacterisation AT abangmathewm comparativeassessmentofmolecularmarkerassaysaflprapdandssrforwhiteyamdioscorearotundatagermplasmcharacterisation AT fagbemisa comparativeassessmentofmolecularmarkerassaysaflprapdandssrforwhiteyamdioscorearotundatagermplasmcharacterisation |