Erratum to: Comparative chloroplast DNA phylogeography of two tropical pioneer trees, Macaranga gigantea and Macaranga pearsonii (Euphorbiaceae)
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 a...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Springer Verlag
2011
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| Subjects: | |
| Online Access: | https://eprints.ums.edu.my/id/eprint/3656/1/Erratum_to.pdf https://eprints.ums.edu.my/id/eprint/3656/ http://dx.doi.org/10.1007/s11295-011-0415-1 |
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| Institution: | Universiti Malaysia Sabah |
| Language: | English |
| Summary: | 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. Fortynine
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). Fortyone
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 GST and NST 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. |
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