Uniquely Preserved Fungi in the Vendian (Ediacaran) of Yakutia

Remains of uniquely preserved microorganisms are found in silicified columnar stromatolites in the Byuk Formation of the Vendian (Ediacaran) in the Berezovsky Trough, the southeast of the Siberian Platform (southwestern Yakutia). The biological explanation for these microorganism remains has determi...

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Bibliographic Details
Published in:Paleontological journal 2021-07, Vol.55 (4), p.455-461
Main Author: Kolosov, P. N.
Format: Article
Language:English
Subjects:
Algae
Aquatic plants
Cell walls
Cells
Earth and Environmental Science
Earth Sciences
Fungi
Hyphae
Microorganisms
Mycelia
New genera
New genus
New species
Paleontology
Parasitism
Platforms (geology)
Stromatolites
Thalli
Yeast
Yeasts
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Summary:Remains of uniquely preserved microorganisms are found in silicified columnar stromatolites in the Byuk Formation of the Vendian (Ediacaran) in the Berezovsky Trough, the southeast of the Siberian Platform (southwestern Yakutia). The biological explanation for these microorganism remains has determined their systematic position, as fungi : yeast cells in the mycelium-yeast form, which are parasitic thalli of green algae. Cells (individuals), mycelia, hyphae, buds, mycelium branches, and outgrowths (external curvature sof the cell wall) were preserved. The following patterns have been revealed: apical growth of hyphae; daughter cells that were not separated from the mother cell; parasitism of fungi on algae and osmotrophic pattern of their consumption. A new genus and species, Sakhi solomonovi gen. et sp. nov., are described.
ISSN:0031-0301
1555-6174
DOI:10.1134/S0031030121040080