{"entity": "researcher", "timestamp": "2026-07-12T00:14:09.912Z", "family": "Williams", "given": "Tom A", "initials": "TA", "orcid": "0000-0003-1072-0223", "affiliations": ["School of Biological Sciences, University of Bristol, Life Sciences Building, Bristol, UK."], "links": {"self": {"href": "https://publications.scilifelab.se/researcher/fddfbaaba1d04e59a110a69394a93d6f.json"}, "display": {"href": "https://publications.scilifelab.se/researcher/fddfbaaba1d04e59a110a69394a93d6f"}}, "publications": [{"entity": "publication", "iuid": "bd0dbc1ef7b541dc8015a9fde247bd6c", "links": {"self": {"href": "https://publications.scilifelab.se/publication/bd0dbc1ef7b541dc8015a9fde247bd6c.json"}, "display": {"href": "https://publications.scilifelab.se/publication/bd0dbc1ef7b541dc8015a9fde247bd6c"}}, "title": "A molecular timescale for eukaryote evolution with implications for the origin of red algal-derived plastids.", "authors": [{"family": "Strassert", "given": "J\u00fcrgen F H", "initials": "JFH", "orcid": "0000-0001-6786-7563", "researcher": {"href": "https://publications.scilifelab.se/researcher/079bf03f0b2c438ab4e01346eb0be1af.json"}}, {"family": "Irisarri", "given": "Iker", "initials": "I", "orcid": "0000-0002-3628-1137", "researcher": {"href": "https://publications.scilifelab.se/researcher/08dbfdf186164fbb858a89606a309945.json"}}, {"family": "Williams", "given": "Tom A", "initials": "TA", "orcid": "0000-0003-1072-0223", "researcher": {"href": "https://publications.scilifelab.se/researcher/fddfbaaba1d04e59a110a69394a93d6f.json"}}, {"family": "Burki", "given": "Fabien", "initials": "F", "orcid": "0000-0002-8248-8462", "researcher": {"href": "https://publications.scilifelab.se/researcher/c386a8e440344f25bea35d570450b09b.json"}}], "type": "journal article", "published": "2021-03-25", "journal": {"title": "Nat Commun", "issn": "2041-1723", "volume": "12", "issue": "1", "pages": "1879", "issn-l": "2041-1723"}, "abstract": "In modern oceans, eukaryotic phytoplankton is dominated by lineages with red algal-derived plastids such as diatoms, dinoflagellates, and coccolithophores. Despite the ecological importance of these groups and many others representing a huge diversity of forms and lifestyles, we still lack a comprehensive understanding of their evolution and how they obtained their plastids. New hypotheses have emerged to explain the acquisition of red algal-derived plastids by serial endosymbiosis, but the chronology of these putative independent plastid acquisitions remains untested. Here, we establish a timeframe for the origin of red algal-derived plastids under scenarios of serial endosymbiosis, using Bayesian molecular clock analyses applied on a phylogenomic dataset with broad sampling of eukaryote diversity. We find that the hypotheses of serial endosymbiosis are chronologically possible, as the stem lineages of all red plastid-containing groups overlap in time. This period in the Meso- and Neoproterozoic Eras set the stage for the later expansion to dominance of red algal-derived primary production in the contemporary oceans, which profoundly altered the global geochemical and ecological conditions of the Earth.", "doi": "10.1038/s41467-021-22044-z", "pmid": "33767194", "labels": {"Bioinformatics Support for Computational Resources": "Service"}, "xrefs": [{"db": "pii", "key": "10.1038/s41467-021-22044-z"}, {"db": "pmc", "key": "PMC7994803"}, {"db": "figshare", "key": "10.6084/m9.figshare.12417881.v2"}], "notes": [], "created": "2022-11-09T15:43:52.908Z", "modified": "2024-01-16T13:48:40.410Z"}]}