Journal
PLOS ONE
Volume 2, Issue 10, Pages -Publisher
PUBLIC LIBRARY SCIENCE
DOI: 10.1371/journal.pone.0000998
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Funding
- Bundesministerium fur Forschung und Bildung [BMBF FKZ 0311130]
- Bundesministerium fur Landwirtschaft [BML FKZ 98NR049]
- Thueringer Ministerium fur Wissenschaft, Forschung und Kultur [TMWFK B307-99-001]
- European Commission [MTKD-CT-2004-014533]
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Albeit silks are fairly well understood on a molecular level, their hierarchical organisation and the full complexity of constituents in the spun fibre remain poorly defined. Here we link morphological defined structural elements in dragline silk of Nephila clavipes to their biochemical composition and physicochemical properties. Five layers of different make-ups could be distinguished. Of these only the two core layers contained the known silk proteins, but all can vitally contribute to the mechanical performance or properties of the silk fibre. Understanding the composite nature of silk and its supra-molecular organisation will open avenues in the production of high performance fibres based on artificially spun silk material.
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