Geographic distribution of microsatellite alleles in geladas (Primates, Cercopithecidae): Evidence for three evolutionary units

Autor:	Sascha Knauf, Franziska Trede, Anna Lemkul, Addisu Mekonnen, Nga Nguyen, Ryan J. Burke, Thore J. Bergman, Dietmar Zinner, Christian Roos, Amera Moges, Anagaw Atickem, Peter J. Fashing, Jacinta C. Beehner
Rok vydání:	2020
Předmět:	0106 biological sciences 0303 health sciences Population genetics Cercopithecidae Biology 010603 evolutionary biology 01 natural sciences Geographic distribution 03 medical and health sciences Evolutionary biology Genetics Microsatellite Animal Science and Zoology Taxonomy (biology) Allele Molecular Biology Ecology Evolution Behavior and Systematics 030304 developmental biology
Zdroj:	Zoologica Scripta. 49:659-667
ISSN:	1463-6409 0300-3256
DOI:	10.1111/zsc.12451
Popis:	The subspecific taxonomy and distribution of geladas (Theropithecus gelada Rüppell, 1835) remains uncertain. Recent molecular studies based on mitochondrial sequence data revealed a geographically structured, three‐deme population, suggesting that there are three evolutionary units of geladas. However, mitochondrial distributions do not always recover population relationships, particularly in taxa with a complex history of isolation and gene flow. We therefore analysed the nuclear genetic population structure of the global gelada population based on 20 microsatellite loci in 43 samples from across its geographic range. FST values, a STRUCTURE analysis and a principal coordinate analysis (PCoA) confirmed the three‐deme population structure corresponding to the mitochondrial population structure. Therefore, our analyses provide additional support for three evolutionary units in geladas, corresponding to (a) a northern (north of Lake Tana, primarily in the Simien Mountains, previously classified as Theropithecus gelada gelada Rüppell, 1835), (b) a central (between Addis Ababa and the highlands east of Lake Tana, previously classified as Theropithecus gelada obscurus Heuglin, 1863) and (c) a southern (south of the Rift Valley, previously tentatively classified as Theropithecus gelada arsi Shotake et al., 2016, Anthropological Science, 124, 157) population. These results pave the way for future conservation decisions and highlight that the gelada population boundaries need more fine‐grained genetic sampling and phenotypic analyses, in particular for their taxonomic ranking.
Databáze:	OpenAIRE
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