Examining the role of oxygen-binding proteins on the early evolution of multicellularity
Whitney Wong,
Pablo Bravo,
Peter J. Yunker
et al.
Abstract:Oxygen availability is a key factor in the evolution of multicellularity, as larger and more sophisticated organisms often require mechanisms allowing efficient oxygen delivery to their tissues. One such mechanism is the presence of oxygen-binding proteins, such as globins and hemerythrins, which arose in the ancestor of bilaterian animals. Despite their importance, the precise mechanisms by which oxygen-binding proteins influenced the early stages of multicellular evolution under varying environmental oxygen … Show more
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