title: Contrasting demographic histories of the neighboring bonobo and chimpanzee.
abstract: The Pleistocene epoch was a period of dramatic climate change that had profound impacts on the population sizes of many animal species. How these species were shaped by past events is often unclear, hindering our understanding of the population dynamics resulting in present day populations. We analyzed complete mitochondrial genomes representing all four recognized chimpanzee subspecies and the bonobo to infer the recent demographic history and used simulations to exclude a confounding effect of population structure. Our genus-wide Bayesian coalescent-based analysis revealed surprisingly dissimilar demographic histories of the chimpanzee subspecies and the bonobo, despite their overlapping habitat requirements. Whereas the central and eastern chimpanzee subspecies were inferred to have expanded tenfold between around 50,000 and 80,000 years ago and today, the population size of the neighboring bonobo remained constant. The changes in population size are likely linked to changes in habitat area due to climate oscillations during the late Pleistocene. Furthermore, the timing of population expansion for the rainforest-adapted chimpanzee is concurrent with the expansion of the savanna-adapted human, which could suggest a common response to changed climate conditions around 50,000-80,000 years ago.
authors: Research and Conservation, Copenhagen Zoo, Roskildevej 38, P.O. Box 7, 2000, Frederiksberg, Denmark, ch@zoo.dk.
authors: Christina
authors: C
authors: Hvilsom
authors: Frands
authors: F
authors: Carlsen
authors: Rasmus
authors: R
authors: Heller
authors: Nina
authors: N
authors: Jaffré
authors: Hans R
authors: HR
authors: Siegismund
mesh_terms: D017954:Africa South of the Sahara; D000818:Animals; D001499:Bayes Theorem; D002980:Climate; D004272:DNA, Mitochondrial / Q000235:genetics*; D003710:Demography; D017753:Ecosystem; D008969:Molecular Sequence Data; D019974:Pan paniscus / Q000235:genetics*; D002679:Pan troglodytes / Q000235:genetics*; D010802:Phylogeny; D011157:Population Dynamics; D016415:Sequence Alignment; D017422:Sequence Analysis, DNA
chemical_list: D004272:DNA, Mitochondrial
references: Bioinformatics. 2009 Jun 1;25(11):1451-2
references: 19346325
references: PLoS Genet. 2007 Apr 20;3(4):e66
references: 17447846
references: Mol Ecol. 2012 Aug;21(16):3947-59
references: 22725969
references: Gene. 1999 Sep 30;238(1):195-209
references: 10570997
references: BMC Evol Biol. 2007 Nov 08;7:214
references: 17996036
references: BMC Evol Biol. 2011 Apr 01;11:85
references: 21457536
references: Genetics. 2009 May;182(1):205-16
references: 19237689
references: Mol Ecol. 2008 Sep;17(17):3788-99
references: 18643879
references: Mol Ecol. 2008 Feb;17(3):757-72
references: 18194169
references: Mol Biol Evol. 2008 Feb;25(2):468-74
references: 18093996
references: Genetics. 1989 Nov;123(3):585-95
references: 2513255
references: PLoS One. 2011;6(6):e21605
references: 21747915
references: Genetics. 1997 Oct;147(2):915-25
references: 9335623
references: Bioinformatics. 2007 Nov 1;23(21):2947-8
references: 17846036
references: Proc Natl Acad Sci U S A. 1999 Apr 27;96(9):5077-82
references: 10220421
references: Proc Natl Acad Sci U S A. 2007 Dec 18;104(51):20432-6
references: 18077351
references: Philos Trans R Soc Lond B Biol Sci. 2010 Oct 27;365(1556):3277-88
references: 20855302
references: BMC Evol Biol. 2010 Sep 02;10:270
references: 20813043
references: Mol Biol Evol. 2010 Jun;27(6):1425-35
references: 20118191
references: Proc Natl Acad Sci U S A. 2012 Sep 25;109(39):15716-21
references: 22891323
references: Am J Hum Genet. 2008 Apr;82(4):895-902
references: 18371929
references: Mol Biol Evol. 2002 Nov;19(11):1981-90
references: 12411607
references: PLoS One. 2013 May 07;8(5):e62992
references: 23667558
references: Genetics. 2010 Nov;186(3):983-95
references: 20739713
references: Mol Ecol. 2010 Nov;19(21):4648-60
references: 20735743
references: PLoS Genet. 2006 Apr;2(4):e59
references: 16636697
references: PLoS One. 2013;8(3):e59660
references: 23544084
references: Primates. 2009 Jan;50(1):78-80
references: 19034382
references: PLoS Genet. 2008 Apr 18;4(4):e1000057
references: 18421364
references: Genome Res. 2007 Oct;17(10):1505-19
references: 17712021
references: Mol Biol Evol. 2010 Apr;27(4):921-33
references: 19955478
references: Mol Biol Evol. 2001 Jun;18(6):1001-13
references: 11371589
references: BMC Bioinformatics. 2010 Mar 04;11:116
references: 20202215
references: Mol Ecol. 2008 Nov;17(22):4845-58
references: 19140976
references: Genetics. 2009 Aug;182(4):1207-18
references: 19506307
references: Trends Ecol Evol. 2009 Sep;24(9):515-21
references: 19682765
references: Proc Natl Acad Sci U S A. 2007 Oct 16;104(42):16422-7
references: 17925446
references: Science. 2009 Aug 7;325(5941):710-4
references: 19661421
references: Mol Ecol. 2004 Nov;13(11):3425-35
references: 15488001
references: Curr Biol. 2006 Jun 6;16(11):1133-8
references: 16753568
references: Nature. 2000 Dec 7;408(6813):708-13
references: 11130070
references: Am J Hum Genet. 2009 Jun;84(6):740-59
references: 19500773
references: Mol Biol Evol. 2011 Jan;28(1):615-23
references: 20802239
references: J Hum Evol. 2012 May;62(5):563-92
references: 22513381
references: Proc Biol Sci. 2009 Jan 22;276(1655):367-73
references: 18826938
references: Heredity (Edinb). 2013 Jun;110(6):586-93
references: 23531981
references: Proc Natl Acad Sci U S A. 2007 Oct 16;104(42):16416-21
references: 17785420
references: Mol Biol Evol. 2005 Feb;22(2):297-307
references: 15483319
references: Ecol Evol. 2012 Mar;2(3):550-61
references: 22822434