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Keywords: melanin
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Journal Articles
J Exp Biol (2018) 221 (4): jeb174656.
Published: 28 February 2018
... to the shape anisotropy of the melanosome stacks, being assemblies of parallel cylindrical rodlets ( Figs 3 and 4 ). We therefore considered the RI profile of the melanosome stack. We sliced the model barbule of Fig. 4 into 10 nm layers and calculated the fractions of air, keratin and melanin as a function...
Includes: Supplementary data
Journal Articles
J Exp Biol (2013) 216 (23): 4358–4364.
Published: 1 December 2013
... of Biologists Ltd 2013 barbs barbules melanin thin films vision Parrots are well known for their striking, bright coloration ( Berg and Bennett, 2010 ). When at rest, most Amazon parrots show a predominantly green colour ( Fig. 1 ), but feathers with bright yellow, red or blue colours are also...
Includes: Supplementary data
Journal Articles
Journal Articles
J Exp Biol (2006) 209 (24): 4938–4945.
Published: 15 December 2006
... populations. Here, inter-population crosses demonstrate a sex-ratio bias in the same direction as intra-population crosses of the sire population. About 20% of the male progeny of melanic sires express the wild-type phenotype. These silver F1 males sire only silver offspring, suggestive of loss of the melanin...
Journal Articles
J Exp Biol (2006) 209 (12): 2368–2376.
Published: 15 June 2006
... selected traits I review the evolution of colour patterns in birds with a view to assessing the magnitude of plastic responses in their development, and to ask how such responses may have influenced genetic evolution. The common colour pigments in birds are carotenoids and melanins. Both are used in social...
Journal Articles
J Exp Biol (2005) 208 (3): 433–438.
Published: 1 February 2005
... visual systems, our results demonstrate a novel use of melanin in geotactic behavior. Author for correspondence (e-mail: w_smith@lifesci.ucsb.edu ) * These authors contributed equally to this work 1 12 2004 © The Company of Biologists Limited 2005 2005 ascidian...
Journal Articles
J Exp Biol (2004) 207 (2): 285–293.
Published: 15 January 2004
...Michael Butler; Amy S. Johnson SUMMARY Melanin has been associated with increased resistance to abrasion,decreased wear and lowered barb breakage in feathers. But, this association was inferred without considering barb position along the rachis as a potentially confounding variable. We examined...