Fiegel Laura J, Nietzer Samuel, Brefeld David, Geertsma Robbert C, Osinga Ronald, Schupp Peter J, Kellermann Matthias Y
Institute for Chemistry and Biology of the Marine Environment (ICBM), Carl-von-Ossietzky University Oldenburg, Schleusenstrasse 1, 26382, Wilhelmshaven, Germany.
Marine Animal Ecology, Wageningen University & Research, Droevendaalsesteeg 1, Wageningen, 6708 PB, The Netherlands.
Sci Rep. 2025 Jul 25;15(1):27075. doi: 10.1038/s41598-025-12409-5.
The survival of coral reefs depends on the rejuvenation of coral populations with the potential to adapt and survive a changing climate. Assisted sexual reproduction has become an important tool in reef management. One bottleneck is the efficient and manageable induction of coral larval settlement. Here we report cycloprodigiosin (CYPRO) as a multispecies cue which induces complete larval settlement at rates between 40 and 93% in four brooding and five broadcast spawning species. All nine tested species showed similar uptake and conversion of CYPRO (photolytic degradation), which together initiate and complete the transition to successful settlement. Due to its chemical stability and low water solubility, the component can be easily stored, transported and applied on clean substrates, which might increase the chances of survival of the settled recruits. Thus, this broad settlement cue has the chance to advance reef restoration projects.
珊瑚礁的生存取决于珊瑚种群的更新，这些种群有潜力适应不断变化的气候并存活下来。辅助有性繁殖已成为珊瑚礁管理中的一项重要工具。一个瓶颈是高效且可控地诱导珊瑚幼虫附着。在此，我们报告环丙地嗪（CYPRO）作为一种多物种诱导物，它能使四种卵胎生和五种产卵珊瑚物种的幼虫附着率达到40%至93%。所有九个受试物种对CYPRO（光解降解）的摄取和转化情况相似，这共同启动并完成了向成功附着的转变。由于其化学稳定性和低水溶性，该成分易于储存、运输并应用于清洁的基质上，这可能会增加附着幼体的存活几率。因此，这种广泛的附着诱导物有机会推动珊瑚礁修复项目的进展。
