2021 article
Understanding the evolution of nutritive taste in animals: Insights from biological stoichiometry and nutritional geometry
Demi, L. M., Taylor, B. W., Reading, B. J., Tordoff, M. G., & Dunn, R. R. (2021, June 4). ECOLOGY AND EVOLUTION.
author keywords: chemoreception; gustation; homeostasis; nutritional ecology; optimal foraging
TL;DR:
It is suggested that the evolution of multiple nutritive taste modalities can be predicted by identifying individual elements that are typically more concentrated in the tissues of animals than plants.
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open access via onlinelibrary.wiley.com (publisher PDF)
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2. Zero Hunger
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Source: Web Of Science
Added: June 14, 2021
AbstractA major conceptual gap in taste biology is the lack of a general framework for understanding the evolution of different taste modalities among animal species. We turn to two complementary nutritional frameworks, biological stoichiometry theory and nutritional geometry, to develop hypotheses for the evolution of different taste modalities in animals. We describe how the attractive tastes of Na‐, Ca‐, P‐, N‐, and C‐containing compounds are consistent with principles of both frameworks based on their shared focus on nutritional imbalances and consumer homeostasis. Specifically, we suggest that the evolution of multiple nutritive taste modalities can be predicted by identifying individual elements that are typically more concentrated in the tissues of animals than plants. Additionally, we discuss how consumer homeostasis can inform our understanding of why some taste compounds (i.e., Na, Ca, and P salts) can be either attractive or aversive depending on concentration. We also discuss how these complementary frameworks can help to explain the evolutionary history of different taste modalities and improve our understanding of the mechanisms that lead to loss of taste capabilities in some animal lineages. The ideas presented here will stimulate research that bridges the fields of evolutionary biology, sensory biology, and ecology.