Group Transformation: Fruiting Body and Stalk Formation

Cathleen Broersma; Elizabeth Ostrowski

doi:10.20944/preprints202105.0060.v1

Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Version 1 : Received: 30 April 2021 / Approved: 5 May 2021 / Online: 5 May 2021 (13:10:59 CEST)

Throughout the eukaryotic tree of life, amoeboid organisms have evolved that aggregate upon starvation and form multicellular fruiting bodies, consisting of a ball of spores atop a stalk. This chapter discusses the remarkable convergent evolution of a stalked fruiting body in these different taxa. It then discusses a well-studied group of aggregative fruiters, the cellular slime molds, in more detail. These organisms exhibit substantial variation in their stalk formation and composition, which allows a better understanding of the evolution, maintenance and possible functions of stalked fruiting bodies, but also points to potential costs and benefits of different types of stalks.

aggregative multicellularity; fruiting body; stalk formation; social amoebae; dictyostelium

Biology and Life Sciences, Biochemistry and Molecular Biology

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Group Transformation: Fruiting Body and Stalk Formation

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