Fungi took a unique evolutionary route to multicellularity: Seven key challenges for fungal multicellular life

Nagy, László and Varga, Torda and Csernetics, Árpád and Virágh, Máté (2020) Fungi took a unique evolutionary route to multicellularity: Seven key challenges for fungal multicellular life. FUNGAL BIOLOGY REVIEWS, 34 (4). pp. 151-169. ISSN 1749-4613

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Abstract

The evolution of multicellularity has been one of the major transitions in the history of life. In contrast to animals and plants, how multicellularity evolved in fungi and how it compares to the general principles distilled from the study of more widely studied model systems, has received little attention. This review broadly discusses multicellular functioning and evolution in fungi. We focus on how fungi solved some of the common challenges associated with the evolution of multi-celled organisms and what unique challenges follow from the peculiar, filamentous growth form of fungi. We identify and discuss seven key challenges for fungal multicellular growth: apical growth, compartmentalization, longdistance mass transport, controlling mutational load, cell-to-cell communication, differentiation and adhesion. Some of these are characteristic of all multicellular transitions, whereas others are unique to fungi. We hope this review will facilitate the interpretation of fungal multicellularity in comparison with that of other multicellular lineages and will prompt further research into how fungi solved fundamental challenges in one of the major transitions in their evolutionary history

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