BioSmart Fact File 276.1 orbitbiotech biosmartpeople How the zebrafish gets its stripes The zebrafish, a small fresh water fish, was used as a model organism to study the genetic basis of animal development, enabled the scientists to trace the multiplication, migration and spreading of individual cells and their progeny over the entire pattering process of stripe formation. The analysis revealed that 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. The authors speculate that variations on these cell behaviors could be at play in generating the great diversity of color patterns.
Posted on: Sat, 30 Aug 2014 04:31:59 +0000
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