Interview with Christine Strullu-Derrien, who studies the origin and early evolution of microorganisms, as well as their interactions with plants, at the Natural History Museum in London and the National Museum of Natural History in Paris.
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A new leaf inhabiting ascomycete from the Jurassic (ca 170 Mya) of Yorkshire, UK, and insights into the appearance and diversification of filamentous Ascomycota.
IMA Fungus
November 2024
Department of Paleontology, University of Vienna, 1090, Vienna, Austria.
Leaf-associated fungi, the fungi that depend on leaves to sporulate, have a rich Cenozoic record, however their earlier diversity is poorly characterized. Here we describe Harristroma eboracense gen. et sp.
View Article and Find Full Text PDFChristine Strullu-Derrien.
Curr Biol
July 2024
Science Group, The Natural History Museum, London, UK, and Institut Systématique Évolution Biodiversité, Museum National d'Histoire Naturelle, Paris, France. Electronic address:
Interview with Christine Strullu-Derrien, who studies the origin and early evolution of microorganisms, as well as their interactions with plants, at the Natural History Museum in London and the National Museum of Natural History in Paris.
View Article and Find Full Text PDFA fungal plant pathogen discovered in the Devonian Rhynie Chert.
Nat Commun
December 2023
Science Group, The Natural History Museum, London, UK.
Fungi are integral to well-functioning ecosystems, and their broader impact on Earth systems is widely acknowledged. Fossil evidence from the Rhynie Chert (Scotland, UK) shows that Fungi were already diverse in terrestrial ecosystems over 407-million-years-ago, yet evidence for the occurrence of Dikarya (the subkingdom of Fungi that includes the phyla Ascomycota and Basidiomycota) in this site is scant. Here we describe a particularly well-preserved asexual fungus from the Rhynie Chert which we examined using brightfield and confocal microscopy.
View Article and Find Full Text PDFHapalosiphonacean cyanobacteria (Nostocales) thrived amid emerging embryophytes in an early Devonian (407-million-year-old) landscape.
iScience
August 2023
Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA.
Cyanobacteria have a long evolutionary history, well documented in marine rocks. They are also abundant and diverse in terrestrial environments; however, although phylogenies suggest that the group colonized land early in its history, paleontological documentation of this remains limited. The Rhynie chert (407 Ma), our best preserved record of early terrestrial ecosystems, provides an opportunity to illuminate aspects of cyanobacterial diversity and ecology as plants began to radiate across the land surface.
View Article and Find Full Text PDFTerrestrial surface stabilisation by modern analogues of the earliest land plants: A multi-dimensional imaging study.
Geobiology
July 2023
Imaging and Analysis Centre (IAC), The Natural History Museum, London, UK.
Article Synopsis
- The early Palaeozoic saw the emergence of plant-based ecosystems, which greatly influenced soil development, sedimentary structures, and global biogeochemical cycles due to plants' complex anchorage systems.
- Current research uses modern plant analogues, like liverworts and mosses, to explore micro-scale interactions associated with sediment stabilization, aiding our understanding of these historic processes.
- Techniques like scanning electron microscopy and X-ray computed tomography have revealed that rhizoids play a key role in soil grain entrapment and stabilization in thalloid liverworts.
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