ArticlebioRxiv : the preprint server for biology2025
Tissue-wide, synchronous Erk oscillations time the segmentation of the zebrafish notochord.
Article in bioRxiv : the preprint server for biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors.
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Abstract
The generation of a periodic body plan is a fundamental property of vertebrates. While biological oscillators provide a mechanism for timing the formation of repeated structures, few examples of signaling oscillators have been identified in development. Here, we show that the addition of repeating mineralizing segments in the zebrafish notochord is timed by tissue-wide, synchronous oscillations of Erk activity. The oscillations are mediated by delayed negative feedback from spry and dusp and expression of the Egf ligand. The uniform increase in egf expression controls the emergence of the oscillations, revealing the mechanism controlling the onset of notochord segmentation. Together, our work reveals an instance of synchronous clocks timing a patterning process and controlling the development of the vertebral column from the notochord.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.