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Elevational Divergence in Pigmentation Plasticity Is Associated with Selection and Pigment Biochemistry by Matthew H. Koski; Lindsay M. Finnell; Elizabeth Leonard; Nishanth Tharayil is a Agricultural and Biological Sciences article available to read on EtoBox.

What is Elevational Divergence in Pigmentation Plasticity Is Associated with Selection and Pigment Biochemistry about?

Phenotypic plasticity is predicted to evolve in environmentally variable habitats, or those experiencing a high frequency of strong selection. The evolution of plasticity may however be constrained by costs or physiological limitations. In flowers, UV-absorbing pigmentation ameliorates UV damage to pollen, and is linked with elevated UV exposure. Whether plasticity contributes to this pattern remains unclear. Petals of Argentina anserina have larger UV-absorbing petal areas at high elevations where they experience higher and more variable UV exposure than low elevations. We measured UV-induced pigmentation plasticity in high- and low-elevation populations (hereafter, "high," "low"), and selection on pigmentation via male fitness. We dissected UV pigment biochemistry using metabolomics to explore biochemical mechanisms underlying plasticity. High displayed positive UV-induced pigmentation plasticity but low lacked plasticity. Selection favored elevated pigmentation under UV in high, supporting adaptive plasticity. In high, UV absorption was conferred by flavonoids produced in one flavonoid pathway branch. However, in low, UV absorption was associated with many compounds spanning mul

Who reads Elevational Divergence in Pigmentation Plasticity Is Associated with Selection and Pigment Biochemistry?

Author

Matthew H. Koski; Lindsay M. Finnell; Elizabeth Leonard; Nishanth Tharayil

Publisher

Wiley

Published

2022

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)