Genetic Polymorphism in the Serotonin Transporter Promoter Region and Ecological Success in Macaques

Chakraborty, Subhankar and Chakraborty, Debapriyo and Mukherjee, Odity and Jain, Sanjeev and Ramakrishnan, Uma and Sinha, Anindya (2010) Genetic Polymorphism in the Serotonin Transporter Promoter Region and Ecological Success in Macaques. Behavior Genetics, 40 (5). pp. 672-679. ISSN 1573-3297

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    Abstract: A well-characterised sequence length polymorphism in the serotonin transporter promoter region (5-HTTLPR) influences individual behavioural traits and cognitive abilities in humans and rhesus macaques. Macaques have been classified into four continuous grades on the basis of their behavioural attributes, ranging from highly hierarchical and nepotistic species to the most egalitarian and tolerant ones. A comparative study of several species that spanned these grades revealed only rhesus macaques to be polymorphic at the 5-HTTLPR and concluded that the polymorphism was responsible for their despotic and aggressive behaviour (Wendland et al., Behav Genet 36:163–172, 2006). We studied wild populations of three other species and found that the egalitarian and tolerant bonnet and Arunachal macaques are also polymorphic while liontailed macaques, although belonging to the same group, are monomorphic. We thus reject a role for this particular polymorphism in interspecific behavioural variability and show that polymorphic species enjoy greater ecological success possibly due to their higher intraspecific variability in individual behavioural traits.
    Item Type: Article
    Additional Information: Copyright belongs to the Publisher
    Keywords: 5-HTTLPR, Bonnet macaque, Arunachal macaque, Liontailed macaque, Intraspecific variation, Behavioural flexibility
    Subjects: School of Natural and Engineering Sciences > Animal Behaviour
    Divisions: Schools > Natural Sciences and Engineering
    Date Deposited: 13 Oct 2011 06:15
    Last Modified: 08 May 2015 09:49
    URI: http://eprints.nias.res.in/id/eprint/219

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