Abstract
Cupressus chenggiana S. Y. Hu (Cupressaceae) is an endemic and endangered conifer species in southwest China. In order to study the population genetics and design the effective conservation methods, we aimed to develop microsatellite primers for this species in the present study. We developed eight new microsatellite loci for this species through biotin capture method. Polymorphism of each locus was further assessed in 18 individuals from three geographically distant populations. The number of alleles per locus ranged from 6 to 11 with an average of 8.13. The observed and expected heterozygosities ranged from 0.219 to 0.296 and from 0.374 to 0.470, with averages of 0.254 and 0.417, respectively. We further found that three of nine microsatellite loci developed previously for another congeneric species showed polymorphic banding patters. We performed primer-crossing tests of these loci in the other two congeneric species which are closely related to C. chenggiana (C. gigantea and C. duclouxiana). These microsatellite markers would be effective for analyzing genetic diversity and population genetic structure of this species and its morphological differentiation with the close relatives.
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Acknowledgements
Financial support for this research was provided by NSFC (30430560) and the Education Ministry (NCET-05-0886).
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Xu, H., Shi, D., Wang, J. et al. Isolation and characterization of polymorphic microsatellite markers in Cupressus chenggiana S. Y. Hu (Cupressaceae). Conserv Genet 9, 1023–1026 (2008). https://doi.org/10.1007/s10592-007-9439-3
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DOI: https://doi.org/10.1007/s10592-007-9439-3