Dataset Information

Technological Response of Wild Macaques (Macaca fascicularis) to Anthropogenic Change.

ABSTRACT: Anthropogenic disturbances have a detrimental impact on the natural world; the vast expansion of palm oil monocultures is one of the most significant agricultural influences. Primates worldwide consequently have been affected by the loss of their natural ecosystems. Long-tailed macaques (Macaca fascilularis) in Southern Thailand have, however, learned to exploit oil palm nuts using stone tools. Using camera traps, we captured the stone tool behavior of one macaque group in Ao Phang-Nga National Park. Line transects placed throughout an abandoned oil palm plantation confirmed a high abundance of nut cracking sites. Long-tailed macaques previously have been observed using stone tools to harvest shellfish along the coasts of Thailand and Myanmar. The novel nut processing behavior indicates the successful transfer of existing lithic technology to a new food source. Such behavioral plasticity has been suggested to underlie cultural behavior in animals, suggesting that long-tailed macaques have potential to exhibit cultural tendencies. The use of tools to process oil palm nuts across multiple primate species allows direct comparisons between stone tool using nonhuman primates living in anthropogenic environments.

SUBMITTER: Luncz LV

PROVIDER: S-EPMC5629225 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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Technological Response of Wild Macaques (<i>Macaca fascicularis</i>) to Anthropogenic Change.

Luncz Lydia V LV Svensson Magdalena S MS Haslam Michael M Malaivijitnond Suchinda S Proffitt Tomos T Gumert Michael M

International journal of primatology 20170829 5

Anthropogenic disturbances have a detrimental impact on the natural world; the vast expansion of palm oil monocultures is one of the most significant agricultural influences. Primates worldwide consequently have been affected by the loss of their natural ecosystems. Long-tailed macaques (<i>Macaca fascilularis</i>) in Southern Thailand have, however, learned to exploit oil palm nuts using stone tools. Using camera traps, we captured the stone tool behavior of one macaque group in Ao Phang-Nga Na ...[more]

PMID: 29056799

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Project description:BackgroundMacaca fascicularis (cynomolgus or longtail macaques) is the most commonly used non-human primate in biomedical research. Little is known about the genomic variation in cynomolgus macaques or how the sequence variants compare to those of the well-studied related species, Macaca mulatta (rhesus macaque). Previously we identified single nucleotide polymorphisms (SNPs) in portions of 94 rhesus macaque genes and reported that Indian and Chinese rhesus had largely different SNPs. Here we identify SNPs from some of the same genomic regions of cynomolgus macaques (from Indochina, Indonesia, Mauritius and the Philippines) and compare them to the SNPs found in rhesus.ResultsWe sequenced a portion of 10 genes in 20 cynomolgus macaques. We identified 69 SNPs in these regions, compared with 71 SNPs found in the same genomic regions of 20 Indian and Chinese rhesus macaques. Thirty six (52%) of the M. fascicularis SNPs were overlapping in both species. The majority (70%) of the SNPs found in both Chinese and Indian rhesus macaque populations were also present in M. fascicularis. Of the SNPs previously found in a single rhesus population, 38% (Indian) and 44% (Chinese) were also identified in cynomolgus macaques. In an alternative approach, we genotyped 100 cynomolgus DNAs using a rhesus macaque SNP array representing 53 genes and found that 51% (29/57) of the rhesus SNPs were present in M. fascicularis. Comparisons of SNP profiles from cynomolgus macaques imported from breeding centers in China (where M. fascicularis are not native) showed they were similar to those from Indochina.ConclusionThis study demonstrates a surprisingly high conservation of SNPs between M. fascicularis and M. mulatta, suggesting that the relationship of these two species is closer than that suggested by morphological and mitochondrial DNA analysis alone. These findings indicate that SNP discovery efforts in either species will generate useful resources for both macaque species. Identification of SNPs that are unique to regional populations of cynomolgus macaques indicates that location-specific SNPs could be used to distinguish monkeys of uncertain origin. As an example, cynomolgus macaques obtained from 2 different breeding centers in China were shown to have Indochinese ancestry.

Dataset Information

Technological Response of Wild Macaques (Macaca fascicularis) to Anthropogenic Change.

Publications

Technological Response of Wild Macaques (<i>Macaca fascicularis</i>) to Anthropogenic Change.

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