| dc.contributor.author | Alice Muchugi, Agnes Gachuiri, Nkatha Gacheri, Festus M Mutiso, Jacinta M Kimiti, Ramni Jamnadass, Jianchu Xu | |
| dc.date.accessioned | 2022-10-15T14:41:08Z | |
| dc.date.available | 2022-10-15T14:41:08Z | |
| dc.date.issued | 2017 | |
| dc.identifier.uri | https://repository.maseno.ac.ke/handle/123456789/5402 | |
| dc.description | DOI:10.1038/s41598-018-26275-x | en_US |
| dc.description.abstract | The genus Calotropis (Asclepiadaceae) is comprised of two species, C. gigantea and C. procera, which
both show signifcant economic potential for use of their seed fbers in the textile industry, and
of their bioactive compounds as new medicinal resources. The available wild-sourced germplasm
contains limited genetic information that restricts further germplasm exploration for the purposes of
domestication. We here developed twenty novel EST-SSR markers and applied them to assess genetic
diversity, population structure and diferentiation within Calotropis. The polymorphic information index
of these markers ranged from 0.102 to 0.800; indicating that they are highly informative. Moderate
genetic diversity was revealed in both species, with no diference between species in the amount of
genetic diversity. Population structure analysis suggested fve main genetic groups (K=5) and relatively
high genetic diferentiation (FST=0.528) between the two species. Mantel test analysis showed strong
correlation between geographical and genetic distance in C. procera (r=0.875, p=0.020) while C.
gigantea showed no such correlation (r=0.390, p=0.210). This study provides novel insights into the
genetic diversity and population structure of Calotropis, which will promote further resource utilization
and the development of genetic improvement strategies for Calotropis | en_US |
| dc.publisher | World Agroforestry centre | en_US |
| dc.title | Calotropis procera: a new investment for African drylands | en_US |
| dc.type | Article | en_US |
