PUBLICATION
A median fin derived from the lateral plate mesoderm and the origin of paired fins
- Authors
- Tzung, K.W., Lalonde, R.L., Prummel, K.D., Mahabaleshwar, H., Moran, H.R., Stundl, J., Cass, A.N., Le, Y., Lea, R., Dorey, K., Tomecka, M.J., Zhang, C., Brombacher, E.C., White, W.T., Roehl, H.H., Tulenko, F.J., Winkler, C., Currie, P.D., Amaya, E., Davis, M.C., Bronner, M.E., Mosimann, C., Carney, T.J.
- ID
- ZDB-PUB-230525-41
- Date
- 2023
- Source
- Nature 618(7965): 543-549 (Journal)
- Registered Authors
- Amaya, Enrique, Bronner-Fraser, Marianne, Carney, Tom, Currie, Peter D., Mahabaleshwar, Harsha, Mosimann, Christian, Prummel, Karin, Roehl, Henry, Tulenko, Frank, Winkler, Christoph
- Keywords
- none
- MeSH Terms
-
- Mesoderm*/anatomy & histology
- Mesoderm*/embryology
- Mesoderm*/growth & development
- Bone Morphogenetic Proteins/metabolism
- Animals
- Larva/anatomy & histology
- Larva/growth & development
- Zebrafish*/anatomy & histology
- Zebrafish*/embryology
- Zebrafish*/growth & development
- Animal Fins*/anatomy & histology
- Animal Fins*/embryology
- Animal Fins*/growth & development
- Biological Evolution*
- PubMed
- 37225983 Full text @ Nature
Citation
Tzung, K.W., Lalonde, R.L., Prummel, K.D., Mahabaleshwar, H., Moran, H.R., Stundl, J., Cass, A.N., Le, Y., Lea, R., Dorey, K., Tomecka, M.J., Zhang, C., Brombacher, E.C., White, W.T., Roehl, H.H., Tulenko, F.J., Winkler, C., Currie, P.D., Amaya, E., Davis, M.C., Bronner, M.E., Mosimann, C., Carney, T.J. (2023) A median fin derived from the lateral plate mesoderm and the origin of paired fins. Nature. 618(7965):543-549.
Abstract
The development of paired appendages was a key innovation during evolution and facilitated the aquatic to terrestrial transition of vertebrates. Largely derived from the lateral plate mesoderm (LPM), one hypothesis for the evolution of paired fins invokes derivation from unpaired median fins via a pair of lateral fin folds located between pectoral and pelvic fin territories1. Whilst unpaired and paired fins exhibit similar structural and molecular characteristics, no definitive evidence exists for paired lateral fin folds in larvae or adults of any extant or extinct species. As unpaired fin core components are regarded as exclusively derived from paraxial mesoderm, any transition presumes both co-option of a fin developmental programme to the LPM and bilateral duplication2. Here, we identify that the larval zebrafish unpaired pre-anal fin fold (PAFF) is derived from the LPM and thus may represent a developmental intermediate between median and paired fins. We trace the contribution of LPM to the PAFF in both cyclostomes and gnathostomes, supporting the notion that this is an ancient trait of vertebrates. Finally, we observe that the PAFF can be bifurcated by increasing bone morphogenetic protein signalling, generating LPM-derived paired fin folds. Our work provides evidence that lateral fin folds may have existed as embryonic anlage for elaboration to paired fins.
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