ReviewPhilosophical transactions of the Royal Society of London. Series B, Biological sciences2015
Early metazoan life: divergence, environment and ecology.
Review in Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.
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Who cites it
40 citing papers in PubMed.
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- Moderate greenhouse climate and rapid carbonate formation after Marinoan snowball Earth.Nature communications · 2024Article
- Article
- Silica-associated proteins from hexactinellid sponges support an alternative evolutionary scenario for biomineralization in Porifera.Nature communications · 2024Article
- Modelling TDP-43 proteinopathy in Drosophila uncovers shared and neuron-specific targets across ALS and FTD relevant circuits.Acta neuropathologica communications · 2023Article
- The monoaminergic system is a bilaterian innovation.Nature communications · 2023Article
- Mid-latitudinal habitable environment for marine eukaryotes during the waning stage of the Marinoan snowball glaciation.Nature communications · 2023Article
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- Transcriptome mining extends the host range of theVirus evolution · 2023Article
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- Phylogenomics reveals deep relationships and diversification within phylactolaemate bryozoans.Proceedings. Biological sciences · 2022Article
- Aquatic Flaviviruses.Journal of virology · 2022Review
- Cancer genes and cancer stem cells in tumorigenesis: Evolutionary deep homology and controversies.Genes & diseases · 2022Review
- Bryozoans from the Early Ordovician Fenhsiang Formation (Tremadocian) of South China and the early diversification of the phylum.Die Naturwissenschaften · 2022Article
- Biomineralization: Integrating mechanism and evolutionary history.Science advances · 2022Review
- Humans, fish, spiders and bees inherited working memory and attention from their last common ancestor.Frontiers in psychology · 2022Article
- Placozoan fiber cells: mediators of innate immunity and participants in wound healing.Scientific reports · 2021Article
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Abstract
Recent molecular clock studies date the origin of Metazoa to 750-800 million years ago (Ma), roughly coinciding with evidence from geochemical proxies that oxygen levels rose from less than 0.1% present atmospheric level (PAL) to perhaps 1-3% PAL O2. A younger origin of Metazoa would require greatly increased substitution rates across many clades and many genes; while not impossible, this is less parsimonious. Yet the first fossil evidence for metazoans (the Doushantuo embryos) about 600 Ma is followed by the Ediacaran fossils after 580 Ma, the earliest undisputed bilaterians at 555 Ma, and an increase in the size and morphologic complexity of bilaterians around 542 Ma. This temporal framework suggests a missing 150-200 Myr of early metazoan history that encompasses many apparent novelties in the early evolution of the nervous system. This span includes two major glaciations, and complex marine geochemical changes including major changes in redox and other environmental changes. One possible resolution is that animals of these still unknown Cryogenian and early Ediacaran ecosystems were relatively simple, with highly conserved developmental genes involved in cell-type specification and simple patterning. In this model, complex nervous systems are a convergent phenomenon in bilaterian clades which occurred close to the time that larger metazoans appeared in the fossil record.
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