Confirmation and location of the hybrid zone between wild populations ofMacaca tonkeana andMacaca hecki in Central Sulawesi, Indonesia

Bynum, E. L.; Bynum, D. Z.; Supriatna, Jatna

doi:10.1002/(sici)1098-2345(1997)43:3<181::aid-ajp1>3.0.co;2-t

Cited by 50 publications

(35 citation statements)

References 41 publications

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“…Natural hybridization has been reported among Macaca species (Fooden 1964, Bernstein 1966, Supriatna et al 1992, Froehlich et al 1996, Bynum et al 1997, Evans et al 2001Fooden 1964Fooden , 2000Froehlich et al 1996;Supriatna et al 1992;Tosi et al 2002Tosi et al , 2003 (Ackermann et al 2006). Parapatric interbreeding between rhesus and long-tailed macaque troops in Indochina where they co-occur has been suspected (Fooden 2000, Tosi et al 2002, Hamada et al 2004, Malaivijitnond et al 2008.…”

Section: Introductionsupporting

confidence: 65%

Hybridization and Stratification of Nuclear Genetic Variation in Macaca mulatta and M. fascicularis

et al. 2008

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Genotypes for 13 short tandem repeats (STRs) were used to assess the genetic diversity within and differentiation among populations of rhesus macaques (Macaca mulatta) from mainland Asia and long-tailed macaques (M. fascicularis) from mainland and insular Southeast Asia. These animals were either recently captured in the wild or derived from wild-caught founders maintained in captivity for biomedical research.A large number of alleles is shared between the two macaque species but a significant genetic division between them persists. This distinction is more clear-cut among populations that are not, or are unlikely to have recently been, geographically contiguous. Our results suggest there has been significant interspecies nuclear gene flow between rhesus macaques and long-tailed macaques on the mainland. Comparisons of mainland and island populations of long-tailed macaques reflect marked genetic subdivisions due to barriers to migration. Geographic isolation has restricted gene flow, allowing island populations to become subdivided and genetically differentiated. Indonesian long-tailed macaques show evidence of long-term separation and genetic isolation from the mainland populations, while long-tailed macaques from the Philippines and Mauritius both display evidence of founder effects and subsequent isolation, with the impact from genetic drift being more profound in the latter.

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Section: Introductionsupporting

confidence: 65%

Hybridization and Stratification of Nuclear Genetic Variation in Macaca mulatta and M. fascicularis

et al. 2008

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“…It is more likely that habitat destruction, instead of promoting their syntopy, would reduce the contact zone between parapatric arboreal forest-dwelling primate species, as also suggested for gibbons (Geissmann 1991), macaques (Bynum et al 1997;Evans et al 2001;Bynum 2002) and lemurs (Wyner et al 2002). The contact zone reported here is likely natural as well as being recent relative to the species' evolutionary histories.…”

Section: Discussionmentioning

confidence: 99%

Survey of Alouatta caraya, the black-and-gold howler monkey, and Alouatta guariba clamitans, the brown howler monkey, in a contact zone, State of Rio Grande do Sul, Brazil: evidence for hybridization

et al. 2008

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Sympatry and natural hybridization between howler monkey taxa (Alouatta spp.) has only recently being confirmed in the wild. Surveys in areas of potential contact between the distribution of two taxa have shown that sympatry is rare, although more common than previously known. Here we report the results of a survey conducted in a contact zone between the only two sexually dichromatic howler monkey taxa, Alouatta caraya and A. guariba clamitans, in São Francisco de Assis, State of Rio Grande do Sul, Brazil. Our survey, covering an area of about 400 ha at the Cerro dos Negros (29 degrees 33'50''-29 degrees 35'10''S, 54 degrees 58'40''-54 degrees 59'50''W; approximately 100-279 m a.s.l.), was successful in locating seven black-and-gold and one brown howler monkey social groups living syntopically. Black-and-gold group size ranged from 5 to 15 individuals, whereas the brown group was composed of 7 individuals. The pelage color of three adult males belonging to different black-and-gold groups and another adult male belonging to the brown howler group presented a mosaic of red or rufous and black. These adult males and an adult female living in another black-and-gold group are putative hybrids. Therefore, it appears that pre-zygotic reproductive isolation has not evolved, at least not completely, between these howler monkey species, corroborating previous reports for these and other Alouatta taxa. Future genetic studies need to confirm the occurrence of hybridization in this contact zone, and to determine the viability and fertility of hybrids and their possible offspring. In addition, there is no evidence supporting the existence of significant segregation in habitat and resource utilization by black-and-gold and brown howler monkeys.

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“…With this conclusion, Evans et al (1999) discusses both numerous instances of introgression within Macaca, and the fundamentally important implications to be considered with regard to conservation efforts. Specifically, this study and others (Hayasaka et al, 1996;Bynum et al, 1997;Morales and Melnick, 1998;Tosi et al, 2000Tosi et al, , 2002Tosi et al, , 2003Evans et al, 2001Evans et al, , 2003Bynum, 2002;Kawamoto, 2005;Smith and McDonough, 2005) detected natural hybridization and introgression involving ca. 15 species.…”

Section: Article In Pressmentioning

confidence: 99%

Natural hybridization in primates: One evolutionary mechanism

Arnold

Meyer

2006

Zoology

158

138

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The role and importance of natural hybridization in the evolutionary histories of animal taxa is still debated. This results largely from a history of zoological investigations that assumed, rather than documented, a limited evolutionary role for this process. However, it is now becoming apparent that, just as for plants, the creative effects of reticulate evolution are widespread in animal taxa as well. This conclusion is supported by the documentation of numerous instances of the formation of new taxa and the genetic enrichment through introgressive hybridization. In the present review, we use primates as a paradigm for how natural hybridization can affect the evolution of species complexes and remains a footprint on genomes. Findings for a number of groups, including basal (e.g. lemurs) and derived (e.g. Old World apes) lineages, demonstrate that introgression and hybrid speciation have caused a reticulate pattern that is still detectable in the, often mosaic, genomes of primates. For example, results from genetic analyses of our own species demonstrate the process of past introgressive hybridization with the progenitors of our sister taxa (i.e. chimpanzees and gorillas) and most likely also our extinct, close relatives in the hominid lineage.

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Confirmation and location of the hybrid zone between wild populations ofMacaca tonkeana andMacaca hecki in Central Sulawesi, Indonesia

Cited by 50 publications

References 41 publications

Hybridization and Stratification of Nuclear Genetic Variation in Macaca mulatta and M. fascicularis

Hybridization and Stratification of Nuclear Genetic Variation in Macaca mulatta and M. fascicularis

Survey of Alouatta caraya, the black-and-gold howler monkey, and Alouatta guariba clamitans, the brown howler monkey, in a contact zone, State of Rio Grande do Sul, Brazil: evidence for hybridization

Natural hybridization in primates: One evolutionary mechanism

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