Abstract
The Sichuan golden monkey (Rhinopithecus roxellana) is a famous and beautiful endangered primate. Owing to the dearth of samples and technical limitations, previous studies could not adequately assess the levels of genetic polymorphisms in the species. To evaluate the polymorphisms further, we sequenced the entire mitochondrial control regions (D-loop) of 35 individuals from the 3 major habitats: Minshan, Qinglin, and Shennongjia. We observed many polymorphisms and estimated that the effective population size of the current total population is less than ca. 480–2300, and the time to the most recent common ancestor is ca. 4000–62,700 years. Through comparisons, we showed that the population of Rhinopithecus roxellana has a relatively higher polymorphism level than that of other endangered primates.
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