Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 535898
Title Genetic manipulation of structural color in bacterial colonies
Author(s) Johansen, Villads Egede; Catón, Laura; Hamidjaja, Raditijo; Oosterink, Els; Wilts, Bodo D.; Rasmussen, Torben Sølbeck; Sherlock, Michael Mario; Ingham, Colin J.; Vignolini, Silvia
Source Proceedings of the National Academy of Sciences of the United States of America 115 (2018)11. - ISSN 0027-8424 - p. 2652 - 2657.
DOI https://doi.org/10.1073/pnas.1716214115
Department(s) FBR Consumer Science & Health
Publication type Refereed Article in a scientific journal
Publication year 2018
Keyword(s) Disorder - Flavobacteria - Genetics - Self-organization - Structural color
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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