Friday, 29 August 2014

How the zebrafish gets its stripes: Uncovering how beautiful color patterns can develop in animals

Date:
August 28, 2014

Source:
Max-Planck-Gesellschaft

Summary:
The zebrafish, a small fresh water fish, owes its name to a striking pattern of blue stripes alternating with golden stripes. Three major pigment cell types, black cells, reflective silvery cells, and yellow cells emerge during growth in the skin of the tiny juvenile fish and arrange as a multi-layered mosaic to compose the characteristic color pattern. While it was known that all three cell types have to interact to form proper stripes, the embryonic origin of the pigment cells that develop the stripes of the adult fish has remained a mystery up to now. Scientists have now discovered how these cells arise and behave to form the 'zebra' pattern


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