ArticleNature communications2026
Brachiopod genome unveils the evolution of BMP signalling in bilaterian body patterning.
Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed.
- Article
- The anti-neural role of BMP signaling is a consequence of its ancestral function in dorsoventral patterning.PLoS biology · 2026Article
- Developmental system drift in dorsoventral patterning is linked to transitions to autonomous development in Annelida.Nature communications · 2026Article
- Early nervous system development in the chaetognathFrontiers in cell and developmental biology · 2026Article
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13 authors.
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Abstract
The molecular control and ancestral state of dorsal-ventral patterning within spiralians remain unclear due to the remarkable diversity across species. Here we present a chromosome-level genome for the brachiopod Lingula anatina and apply functional transcriptomics to study dorsal-ventral patterning under BMP signalling control. We uncover asymmetrical activation of BMP signalling at the dorsal side of the gastrula, governed by ventral chordin expression and a 'seesaw' of BMP ligands. Using small-molecule drugs and recombinant proteins, we show that high BMP activity inhibits genes typically associated with neural patterning during gastrula and larval stages, similar to deuterostomes and non-spiralian protostomes. Our findings suggest deep conservation of this mechanism across all three major bilaterian clades, supported by striking similarities in BMP-regulated gene sets between brachiopods and Xenopus. We argue that the spiralian ancestor retained the ancestral bilaterian mechanism, although downstream network components have undergone developmental system drift.
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