The Oplegnathus punctatus (O. punctatus) is an economically significant marine aquaculture species. It possesses a distinct beak-like tooth phenotype, allowing it to feed on hard-shelled foods such as oysters and sea urchins.
of O. punctatus are fused with the upper and lower jaw bones, forming a robust parrot-like beak-shaped dental structure, with gaps between teeth filled with calcified material. Their beak-like healing teeth are a special type of jaw teeth that can regrow after wear and tear.
3D reconstruction of beak-like healing tooth in O. punctatus based on micro-CT scanning. Credit: IOCAS Furthermore, a total of 11 key genes closely associated with the development of the beak-like teeth were identified, along with crucial regulatory pathways .
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