Repeated independent origins of the placenta reveal convergent and divergent organ evolution within a single fish family (Poeciliidae)
An outstanding question in biology is to what extent convergent evolution produces similar, but not necessarily identical, complex phenotypic solutions. The placenta is a complex organ that repeatedly evolved in the livebearing fish family Poeciliidae. Here, we apply comparative approaches to test whether evolution has produced similar or different placental phenotypes in the Poeciliidae and to what extent these phenotypes correlate with convergence at the molecular level. We show the existence of two placental phenotypes characterized by distinctly different anatomical adaptations (divergent evolution). Furthermore, each placental phenotype independently evolved multiple times across the family, providing evidence for repeated convergence. Moreover, our comparative genomic analysis revealed that the genomes of species with different placentas are evolving at a different pace. Finally, we show that the two placental phenotypes correlate with two previously described contrasting life-history optima. Our results argue for high evolvability (both divergent and convergent) of the placenta within a group of closely related species in a single family.
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dig-wur-nl-wurpubs-6231892024-09-30 Safian Carrillo, D.A. Ahmed, M. van Kruistum, H. Furness, Andrew I. Reznick, David N. Wiegertjes, G. Pollux, B.J.A. Dataset Repeated independent origins of the placenta reveal convergent and divergent organ evolution within a single fish family (Poeciliidae) 2023 An outstanding question in biology is to what extent convergent evolution produces similar, but not necessarily identical, complex phenotypic solutions. The placenta is a complex organ that repeatedly evolved in the livebearing fish family Poeciliidae. Here, we apply comparative approaches to test whether evolution has produced similar or different placental phenotypes in the Poeciliidae and to what extent these phenotypes correlate with convergence at the molecular level. We show the existence of two placental phenotypes characterized by distinctly different anatomical adaptations (divergent evolution). Furthermore, each placental phenotype independently evolved multiple times across the family, providing evidence for repeated convergence. Moreover, our comparative genomic analysis revealed that the genomes of species with different placentas are evolving at a different pace. Finally, we show that the two placental phenotypes correlate with two previously described contrasting life-history optima. Our results argue for high evolvability (both divergent and convergent) of the placenta within a group of closely related species in a single family. An outstanding question in biology is to what extent convergent evolution produces similar, but not necessarily identical, complex phenotypic solutions. The placenta is a complex organ that repeatedly evolved in the livebearing fish family Poeciliidae. Here, we apply comparative approaches to test whether evolution has produced similar or different placental phenotypes in the Poeciliidae and to what extent these phenotypes correlate with convergence at the molecular level. We show the existence of two placental phenotypes characterized by distinctly different anatomical adaptations (divergent evolution). Furthermore, each placental phenotype independently evolved multiple times across the family, providing evidence for repeated convergence. Moreover, our comparative genomic analysis revealed that the genomes of species with different placentas are evolving at a different pace. Finally, we show that the two placental phenotypes correlate with two previously described contrasting life-history optima. Our results argue for high evolvability (both divergent and convergent) of the placenta within a group of closely related species in a single family. Wageningen University & Research text/html https://research.wur.nl/en/datasets/repeated-independent-origins-of-the-placenta-reveal-convergent-an 10.5281/zenodo.7620366 https://edepot.wur.nl/644876 Life Science Wageningen University & Research |
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Life Science Life Science Safian Carrillo, D.A. Ahmed, M. van Kruistum, H. Furness, Andrew I. Reznick, David N. Wiegertjes, G. Pollux, B.J.A. Repeated independent origins of the placenta reveal convergent and divergent organ evolution within a single fish family (Poeciliidae) |
| description |
An outstanding question in biology is to what extent convergent evolution produces similar, but not necessarily identical, complex phenotypic solutions. The placenta is a complex organ that repeatedly evolved in the livebearing fish family Poeciliidae. Here, we apply comparative approaches to test whether evolution has produced similar or different placental phenotypes in the Poeciliidae and to what extent these phenotypes correlate with convergence at the molecular level. We show the existence of two placental phenotypes characterized by distinctly different anatomical adaptations (divergent evolution). Furthermore, each placental phenotype independently evolved multiple times across the family, providing evidence for repeated convergence. Moreover, our comparative genomic analysis revealed that the genomes of species with different placentas are evolving at a different pace. Finally, we show that the two placental phenotypes correlate with two previously described contrasting life-history optima. Our results argue for high evolvability (both divergent and convergent) of the placenta within a group of closely related species in a single family. |
| format |
Dataset |
| topic_facet |
Life Science |
| author |
Safian Carrillo, D.A. Ahmed, M. van Kruistum, H. Furness, Andrew I. Reznick, David N. Wiegertjes, G. Pollux, B.J.A. |
| author_facet |
Safian Carrillo, D.A. Ahmed, M. van Kruistum, H. Furness, Andrew I. Reznick, David N. Wiegertjes, G. Pollux, B.J.A. |
| author_sort |
Safian Carrillo, D.A. |
| title |
Repeated independent origins of the placenta reveal convergent and divergent organ evolution within a single fish family (Poeciliidae) |
| title_short |
Repeated independent origins of the placenta reveal convergent and divergent organ evolution within a single fish family (Poeciliidae) |
| title_full |
Repeated independent origins of the placenta reveal convergent and divergent organ evolution within a single fish family (Poeciliidae) |
| title_fullStr |
Repeated independent origins of the placenta reveal convergent and divergent organ evolution within a single fish family (Poeciliidae) |
| title_full_unstemmed |
Repeated independent origins of the placenta reveal convergent and divergent organ evolution within a single fish family (Poeciliidae) |
| title_sort |
repeated independent origins of the placenta reveal convergent and divergent organ evolution within a single fish family (poeciliidae) |
| publisher |
Wageningen University & Research |
| url |
https://research.wur.nl/en/datasets/repeated-independent-origins-of-the-placenta-reveal-convergent-an |
| work_keys_str_mv |
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| _version_ |
1816150864861069312 |