Mitochondrial evidence for the origin of hamadryas baboons

Wildman, Derek E.; Bergman, Thore J.; Al-Aghbari, Abdulwali M.; Sterner, Kirstin N.; Newman, Timothy K.; Phillips‐Conroy, Jane E.; Jolly, Clifford J.; Disotell, Todd R.

doi:10.1016/j.ympev.2003.12.014

Cited by 67 publications

(79 citation statements)

References 34 publications

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“…Moreover, no inconsistent nucleotides were detected in overlapping regions of the studied locus and some of the observed haplotypes are identical with haplotypes published by Newman et al (2004) and Wildman et al (2004). Accordingly, pseudogenes are most likely not included in our data.…”

Section: Resultssupporting

confidence: 51%

“…According to Cotterill (2003) Kingdon (1997), and revised in accordance with Sarmiento (1997Sarmiento ( -1998 and Galat-Luong et al (2006). The origins of samples from Newman et al (2004) and Wildman et al (2004) included in this study are indicated with triangles Fig. 7.1 (continued) than black.…”

Section: Introductionmentioning

confidence: 97%

“…Even molecular genetics provides no simple solution ( Fig. 7.4) given a discordance between mitochondrial phylogenies and known taxonomy (Hapke et al 2001, Wildman et al 2004, Burrell 2008, Zinner et al 2009a. Inconsistencies among various mitochondrial phylogenies, however, can largely be attributed to an incomplete taxon sampling in combination with paraphylies of the traditionally recognised baboon taxa.…”

Section: Introductionmentioning

confidence: 99%

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Pan-African Voyagers: The Phylogeography of Baboons

Zinner

Buba²,

Nash³

et al. 2010

Primates of Gashaka

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Baboons of the genus Papio have colonised wide areas of Africa and parts of the Arabian Peninsula. Traditionally, 5 phenotypically distinct morphotypes (species) are recognised: chacma baboons, yellow baboons, olive baboons, Guinea baboons and hamadryas baboons. We used mitochondrial DNA ("Brown" region) sequence data obtained mainly from faecal samples collected across the geographical range of baboons to reconstruct their phylogenetic relationships. Eight well-supported major haplogroups were detected, which reflect geographic populations. These disagree with the traditional classification of baboons into only 5 taxa. We found that West African olive and chacma baboons both comprise at least two deeply separated clades. In the case of chacma baboons, they correspond to recognised morphotypes (Cape chacma and grey-footed chacma). Our data also support a previously suggested distinction between yellow and Kinda baboons from central Zambia. Two other terminal clades from eastern Africa comprise either eastern olive and hamadryas baboons or eastern olive and yellow baboons. Southern yellow baboons cluster with grey-footed chacma baboons. Our data also indicate a possible mitochondrial overlap between Guinea baboons and a particular lineage of western olive baboons from Ivory Coast. These results support recent molecular studies, which detected several para-and polyphyletic mitochondrial clades in Papio, suggesting that the evolutionary history of baboons is even more complicated than previously thought. Thus, important roles might have been played by multiple phases of fragmentation, isolation, hybridisation, introgression, and nuclear swamping, hence, reticulation. These processes were most likely triggered by multiple cycles of expansion and retreat of savannah biomes during late Pliocene and Pleistocene glacial and inter-glacial periods. We also speculate on the likely dispersal pathways of these primates that may have led to their current distribution.

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Section: Resultssupporting

confidence: 51%

Section: Introductionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

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Pan-African Voyagers: The Phylogeography of Baboons

Zinner

Buba²,

Nash³

et al. 2010

Primates of Gashaka

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“…Saudi Arabia indicates an older colonisation event (Wildman et al, 2004), perhaps via the land bridge which formed across the Strait of Bab el Mandeb, 85-119 kya (Winney et al, 2004). We found only slightly lower values of allelic richness at five out of six autosomal loci and at one Y-linked locus in an Arabian (Abha, Saudi Arabia) compared to an African population (Filwoha, Ethiopia; Table 4), and no difference between the two populations in mean allelic richness.…”

Section: Lj Lawson Handley Et Almentioning

confidence: 60%

“…Arabian hamadryas are thought to have African ancestry (Kummer et al, 1981;Wildman et al, 2004;Winney et al, 2004). If a founder event during colonisation has contributed to low Y chromosome variation in Saudi Arabia, we also expect lower variation at autosomal loci in Arabian compared to African populations.…”

Section: Microsatellite Analysismentioning

confidence: 91%

Low Y chromosome variation in Saudi-Arabian hamadryas baboons (Papio hamadryas hamadryas)

et al. 2006

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It is important to characterise the amount of variation on the mammalian Y chromosome in order to assess its potential for use in evolutionary studies. We report very low levels of polymorphism on the Y chromosome of Saudi-Arabian hamadryas baboons, Papio hamadryas hamadryas. We found no segregating sites on the Y, despite sequence analysis of 3 kb noncontiguous intron sequence in 16 males with divergent autosomal microsatellite genotypes, and a further analysis of 1.1 kb intron sequence in 97 males from four populations by SSCP. In addition, we tested seven human-derived Y-linked microsatellites in baboons. Only four of these loci were male-specific and only one was polymorphic in our 97 male sample set. Polymorphism on the Y chromosome of Arabian hamadryas appears to be low compared to other primate species for which data are available (eg humans, chimpanzees and bonobos). Low effective population size (Ne) of paternal genes due to polygyny and female-biased adult sex ratio is a potential reason for low Y chromosome variation in this species. However, low Ne for the Y should be counterbalanced to some extent by the species' atypical pattern of male philopatry and female-biased dispersal. Allelic richness averaged over seven loci was not significantly different between an African and an Arabian population, suggesting that loss of variation during the colonisation of Arabia does not explain low Y variation. Finally, in the absence of nucleotide polymorphism, it is unclear to what extent selection could be responsible for low Y variation in this species.

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Classification of Nonhuman Primates

Voevodin¹,

Marx

2009

Simian Virology

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Mitochondrial evidence for the origin of hamadryas baboons

Cited by 67 publications

References 34 publications

Pan-African Voyagers: The Phylogeography of Baboons

Pan-African Voyagers: The Phylogeography of Baboons

Low Y chromosome variation in Saudi-Arabian hamadryas baboons (Papio hamadryas hamadryas)

Classification of Nonhuman Primates

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