Clownfish settled on an anenome

A large clownfish and a smaller juvenile clownfish swim over the top of an anenome

Date:

20 March 2023

Copyright OIST (Okinawa Institute of Science and Technology Graduate University, 沖縄科学技術大学院大学). Creative Commons Attribution 4.0 International License (CC BY 4.0).

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Schematic drawing of cell clusters that comprise germ layers, organs, and tissues of gastrulae and larvae

Schematic drawing of cell clusters that comprise germ layers, organs, and tissues of gastrulae and larvae

(A) Gastrula (left side view). (B) Anatomical distribution of each cluster in gastrulae. (C) An early larva, left side view. (D) Anatomical distribution of each cluster in early larvae. Cluster numbers are shown with corresponding germ layers, organs, and tissues. This figure shows that for examples cells of cluster 8 comprise apical plate and cells of cluster 9 comprise coelom, a mesodermal derivative.

A starfish, also known by the scientific name Patiria pectinifera

A starfish, also known by the scientific name Patiria pectinifera

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調査地点のサンゴ礁

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図３. aは地点8の礁斜面、bは地点21の礁池でのサンゴ礁。ダイバーが直接観察によって同定した造礁サンゴ属と環境DNA解析法によって同定された属はほぼ完全に一致した。

UMAP plot for clustering of embryonic cells obtained by single-cell RNA-seq analyses

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Based on shared expression profiles of transcription factor genes and cellular signaling molecule genes, constituent cells of starfish embryos and larvae can be categorized into 22 clusters, numbered 0 to 21. Each dot represents each cell.

脊索動物と水腔動物間の神経を作り出す遺伝子の発現場所の比較

脊索動物と水腔動物間の神経を作り出す遺伝子の発現場所の比較

脊索動物（ヒトを含む）の背側神経系を作りだす遺伝子はイトマキヒトデ（水腔動物の中の棘皮動物）の繊毛帯を作り出すように働いている。つまり、この二つの領域は相同であることが分かる。