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| Content Provider | Springer Nature Link |
|---|---|
| Author | Guicking, Daniela Fiala, Brigitte Blattner, Frank R. Slik, Ferry Mohamed, Maryati Weising, Kurt |
| Copyright Year | 2011 |
| Abstract | Macaranga (Euphorbiaceae) has received much ecological and evolutionary research attention as a genus that includes some of the most conspicuous pioneer trees of Southeast Asian tropical rainforests and because of its manifold associations with ants, including about 30 species that are obligate ant-plants (myrmecophytes). We used sequence data from three chloroplast DNA loci (ccmp5, ccmp6, atpB-rbcL) to assess phylogeographical patterns in species of Macaranga, section Pruinosae, sampled from various regions of Borneo and the Malay Peninsula. Forty-nine chloroplast DNA haplotypes (HT) were identified among 768 specimens from five species, Macaranga gigantea (N = 329; 23 HT), Macaranga pearsonii (N = 347; 21 HT), Macaranga puberula (N = 24; 4 HT), Macaranga hosei (N = 48; 6 HT), and Macaranga pruinosa (N = 20; 5 HT). Forty-one haplotypes were species-specific, whereas eight haplotypes were shared by two, three, or four species and occupied internal positions in a parsimony network. Population genetic parameters based on haplotype frequencies proved to be in a similar range in the non-myrmecophytic M. gigantea and in the ant-associated M. pearsonii, which have overlapping distributions in northern and eastern Borneo. A comparison of G$_{ST}$ and N$_{ST}$ values revealed a strong phylogeographic structure in both species, whereas colonization pathways suggested by the network topology were different. Both species exhibited similar levels of haplotypic diversity and moderate to high levels of population differentiation. There were no obvious indications for an influence of the symbiotic ant partners on the population structure of their host plants. |
| Starting Page | 573 |
| Ending Page | 585 |
| Page Count | 13 |
| File Format | |
| ISSN | 16142942 |
| Journal | Tree Genetics & Genomes |
| Volume Number | 7 |
| Issue Number | 3 |
| e-ISSN | 16142950 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2011-01-14 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Ant-plants Biogeography Myrmecophytes Pioneer trees Population genetics Southeast Asia Plant Breeding/Biotechnology Biotechnology Tree Biology Forestry Plant Genetics & Genomics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Molecular Biology Horticulture Forestry |
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