Development of SCAR Markers for Species Identification in the Genus Shorea (Dipterocarpaceae)

2010 | journal article. A publication with affiliation to the University of Göttingen.

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​Development of SCAR Markers for Species Identification in the Genus Shorea (Dipterocarpaceae)​
Nuroniah, H. S.; Gailing, O.   & Finkeldey, R. ​ (2010) 
Silvae Genetica59(6) pp. 249​-257​.​ DOI: 

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Nuroniah, H. S.; Gailing, Oliver ; Finkeldey, Reiner 
The development of molecular markers unambiguously distinguishing groups at different taxonomic levels has numerous forensic applications. The identification of tropical timber is of particular interest in this context. We describe the development of SCAR (Sequence Characterized Amplified Region) markers for forensic applications taking the example of two closely related species of the tropical tree family Shorea (Dipterocarpaceae). Two AFLP (Amplified Fragment Length Polymorphism) fragments have been described earlier showing strong differentiation between S. leprosula and S. parvifolia. The AFLP markers were isolated from a gel, re-amplified, cloned and sequenced. Primer sets were designed from these sequences and AFLP fragments were converted into SCAR markers. The SCAR markers and PCR-RFLP markers of the chloroplast region trnLF digested with HinfI were used to screen in total 557 samples of S. parvifolia and S. leprosula from nineteen widely separated populations in Indonesia. Complete genetic differentiation between species was observed based on the putatively nuclear SCAR marker and the PCR-RFLP of the cpDNA region. We found a good agreement between leaf morphological variation and species identification based on both marker types and no indication for interspecific hybridization.
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Silvae Genetica 
Fakultät für Forstwissenschaften und Waldökologie ; Büsgen-Institut ; Abteilung Forstgenetik und Forstpflanzenzüchtung 
German Academic Exchange Service (DAAD, Bonn)



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