Study on the Individual Coloring Mechanism of Iridescent Cells in the Mantle of the Boring Giant Clam, Tridacna crocea
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Published:2022-04-25
Issue:
Volume:9
Page:
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ISSN:2296-7745
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Container-title:Frontiers in Marine Science
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language:
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Short-container-title:Front. Mar. Sci.
Author:
Li Yunqing,Zhou Yinyin,Wei Jinkuan,Shi Gongpengyang,Liao Qingliang,Guo Shuming,Zhou Zihua,Li Jun,Qin Yanping,Ma Haitao,Yu Ziniu,Zhang Yuehuan
Abstract
Giant clams are marine bivalves that inhabit Indo-Pacific coral reefs. The boring giant clam, Tridacna crocea, exhibits bright and conspicuous mantle coloration based on the specialized cells (iridocytes) that generate structural colors. In order to illustrate the coloring mechanism of individual iridocytes, the reflection spectra curve of iridocytes was obtained by a micro-hyperspectral imager. TEM images were obtained to show the inner nanostructures of iridocytes. FDTD simulation was conducted to analyze the relationship between the color of iridocytes and the unique lamellar structure. We found that the laminae in the regular arrangement within cells govern the coloration of individual iridocytes. With the gradual increase of lamellar thickness and spacing, the color of the structure varies from bright violet to orange-red, forming a full visible spectrum. This study provides a new understanding of the various colors produced by individual iridocytes.
Funder
National Key Research and Development Program of China
Publisher
Frontiers Media SA
Subject
Ocean Engineering,Water Science and Technology,Aquatic Science,Global and Planetary Change,Oceanography
Cited by
1 articles.
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