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Cellular pattern development |
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 above: scale arrangement in the wing |
below: cabbage butterfly |
There are a lot of unsolved problems in cellular and molecular mechanisms of morphogenesis in multi-cellular organisms , since these are not easily examined due to their complex three-dimensional morphology. Butterfly wings are fairly flat and covered with abundant scales. In the butterfly wing, the scales present a simple two-dimensional regular pattern: anteroposterior scale rows are proximodistally arranged at regular intervals, as shown in the above picture. A scale is a single cell. Thus, the scale cell arrangement in the butterfly wing provides a good model system for the study of morphogenetic mechanisms of multi-cellular organisms. I study the developmental mechanism of the scale cell arrangement in the wing of the small white cabbage butterfly, shown in the below picture, which is commonly distributed in Japan.
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Akihiro Yoshida, Ph. D.
Senior Researcher
Laboratory Sector
Visit. Associate Prof., Osaka Univ. |
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| Laboratory |
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| The past laboratory |
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| SICP |
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