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First published online November 2, 2007
Journal of Experimental Biology 210, 3879-3881 (2007)
Published by The Company of Biologists 2007
doi: 10.1242/jeb.001339
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THE FIRST DESCRIPTION OF RESILIN

Henry Bennet-Clark

University of Oxford henry.bennet-clark{at}zoo.ox.ac.uk


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  		Fig. 1. The sound-producing tymbal of the Australian cicada Cyclochila australasiae. (Top) Diagram showing the position of the tymbal (red arrow) at the anterior end of the insect's abdomen. (A) An unstained tymbal photographed in natural light (original). (B) A different tymbal stained for 24 hours in very dilute methylene blue solution (from Young and Bennet-Clark, 1993). (C) The tymbal shown in A showing fluorescence when illuminated by an ultra-violet light-emitting diode radiating at 365 nm; the fluorescence of the resilin is not as bright as if it had been radiated at the optimal wavelength, 315 nm (original).

 

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  		Fig. 2. Bio-synthesised resilin moulded into a flexible rod by drawing pro-resilin into a glass tube, followed by photochemical cross-linking of the precursor. Left, the rod illuminated by white light. Right, the same rod illuminated by U.V. light at 315 nm showing its fluorescence at 409 nm. Figure reproduced from Elvin et al. (Elvin et al., 2005Go) with permission: photograph by Dr David Merritt, UQ, Brisbane, Australia.

 




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