Journal article
Interpreting biological degradative processes acting on mammalian hair in the living and the dead: which ones are taphonomic?
Proceedings of the Royal Society B: Biological Sciences, Vol.281(1796), pp.20141755-20141755
2014
Abstract
Although the taphonomic (post-mortem) degradation processes relevant to teeth and bones have been well described, those taking place with regards to mammalian hairs have not been characterized to the same extent. This present article describes, in detail, microscopic changes resulting from the actions of biological agents that digest and degrade hairs. The most noteworthy and prevalent agents responsible for the destruction of hair structure are fungi, which use a range of strategies to invade and digest hairs. One of the most important finds to emerge from this study is that taphonomic structures and processes can easily be interpreted by the unwary as ‘real’, or as class characteristics for a particular animal taxon. Moreover, under certain conditions, ‘taphonomic’ processes normally associated with the dead are also present on the hairs of the living. This work will improve the reliability of hair examinations in forensic, archaeological and palaeontological applications—in addition, the finding has relevance in the protection of mammalian collections susceptible to infestation. This article also addresses the popular myth that ancient peoples were often red-haired and discusses phenomena responsible for this observation. Insights gained from detailed characterization of taphonomic processes in 95 hairs from a variety of species demonstrate the range and breadth of degradative effects on hair structure and colour. Lastly, the study demonstrates that hairs often tell a story and that there is value of extracting as much morphological data as possible from hairs, prior to destructive sampling for biomolecules.
Details
- Title
- Interpreting biological degradative processes acting on mammalian hair in the living and the dead: which ones are taphonomic?
- Authors/Creators
- S.R. Tridico (Author/Creator)S. Koch (Author/Creator)A. Michaud (Author/Creator)G. Thomson (Author/Creator)K.P. Kirkbride (Author/Creator)M. Bunce (Author/Creator)
- Publication Details
- Proceedings of the Royal Society B: Biological Sciences, Vol.281(1796), pp.20141755-20141755
- Publisher
- Royal Society of London
- Identifiers
- 991005540750207891
- Murdoch Affiliation
- School of Veterinary and Life Sciences
- Language
- English
- Resource Type
- Journal article
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