期刊
EVODEVO
卷 9, 期 -, 页码 -出版社
BMC
DOI: 10.1186/s13227-018-0098-x
关键词
Retinoic acid signaling; Metamorphosis; Echinoderm; Starfish
资金
- JSPS [15KT0074]
- Grants-in-Aid for Scientific Research [15KT0074] Funding Source: KAKEN
Background: Although retinoic acid (RA) signaling plays a crucial role in the body patterning of chordates, its function in non-chordate invertebrates, other than its mediation of environmental cues triggering metamorphosis in cnidarians, is largely unknown. We investigated the role of RA signaling in the metamorphosis of starfish (Echinodermata). Results: We found that exogenous RA treatment induced metamorphosis in starfish larvae. In contrast, inhibitors of RA synthesis and RA receptors suppressed metamorphosis triggered by attachment to a substrate. Gene expressions of the RA signaling component were detected in competent larvae. Conclusions: This study provides insight into the ancestral function of RA signaling, which is conserved in the metamorphosis of cnidarians and starfish.
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