Genetic manipulation of structural color in bacterial colonies

Proceedings of the National Academy of Sciences of the United States of America
Villads Egede JohansenSilvia Vignolini

Abstract

Naturally occurring photonic structures are responsible for the bright and vivid coloration in a large variety of living organisms. Despite efforts to understand their biological functions, development, and complex optical response, little is known of the underlying genes involved in the development of these nanostructures in any domain of life. Here, we used Flavobacterium colonies as a model system to demonstrate that genes responsible for gliding motility, cell shape, the stringent response, and tRNA modification contribute to the optical appearance of the colony. By structural and optical analysis, we obtained a detailed correlation of how genetic modifications alter structural color in bacterial colonies. Understanding of genotype and phenotype relations in this system opens the way to genetic engineering of on-demand living optical materials, for use as paints and living sensors.

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Citations

May 21, 2020·Journal of the Royal Society, Interface·Lukas SchertelVillads E Johansen
Oct 2, 2020·Faraday Discussions·Sébastien R MouchetPete Vukusic
May 21, 2019·Biomimetics·Olimpia D OnelliSilvia Vignolini
Feb 5, 2019·Microbiology Resource Announcements·H Lynn KeeJared R Leadbetter
Mar 7, 2021·Journal of Fungi·Juliet BrodieSilvia Vignolini
Apr 2, 2019·Langmuir : the ACS Journal of Surfaces and Colloids·Michinari KohriDaisuke Nagao
Oct 7, 2021·Nucleic Acids Research·Constantinos PatiniosRaymond H J Staals

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