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Microbial art

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Beach scene with bacterial strains expressing different kinds of fluorescent protein, from the laboratory of the Nobel prize-winning biochemist Roger Tsien

Microbial art,[1] agar art,[2] or germ art[3] is artwork created by culturing microorganisms in certain patterns.[4] The microbes used can be bacteria, yeast fungi, or less commonly, protists. The microbes can be chosen for their natural colours, or can be engineered to express fluorescent proteins and viewed under ultraviolet light to make them fluoresce in colour.

Methods

Agar plates are used as a canvas, while pigmented or fluorescent bacteria and yeasts represent the paint. In order to preserve a piece of microbial art after a sufficient incubation, the microbe culture is sealed with epoxy.[2]

Microbe species can be chosen for their natural colours to form a palette for the artwork. Suitable species of bacteria (with their colours) include Bacillus subtilis (cream to brown), Chromobacterium violaceum (violet), Escherichia coli (colourless), Micrococcus luteus (yellow), Micrococcus roseus (pink), Proteus mirabilis, Pseudomonas aeruginosa (brown), Pseudomonas fluorescens (naturally blue-green fluorescent with pyoverdine), Serratia marcescens (pink or orange), Staphylococcus aureus (yellow), and Vibrio fischeri (bioluminescent).[5]

Yeast species – which are fungi – used include Saccharomyces cerevisiae (yellow-white) Aspergillus flavus (yellow-green spores), Aspergillus ochraceus (yellow), Aureobasidium pullulans (black), Candida albicans (whitish buff), Candida sake, Candida sp. (whitish), Cladosporium herbarum (brown to black), Cladosporium resinae, Epicoccum nigrum (yellow, orange, red, brown, and black), Fusarium sp., Rhodotorula sp., and Scopulariopsis brevicaulis.[5][a]

Protist species used include Euglena gracilis (photosynthetic, green) and Physarum polycephalum (yellow-green).[5]

A technique called "bacteriography" involves selectively killing certain areas of a bacterial culture with radiation, in order to produce artistic patterns. After incubation, the culture is sealed with acrylic.[6]

Artists

Alexander Fleming, the man most commonly credited with the discovery of penicillin, was known for creating germ paintings.[3]

The biochemist Roger Tsien won the 2008 Nobel prize for chemistry for his contributions to knowledge of green fluorescent protein (GFP). A researcher in his laboratory, Nathan Shaner, made a 2006 microbial artwork using GFP of a San Diego beach scene.[7]

Agar Art Competition

Cell to Cell, winner of 2015 ASM Agar Art Competition (by Mehmet Berkmen and Maria Peñil)

The American Society for Microbiology hosts an annual contest for microbial art: Agar Art.[2] The contest was organized after a picture from a Christmas tree, made by Rositsa Tashkova, went viral in 2014.[8] The 2015 edition covered 85 submissions, of which microbial art created by Mehmet Berkmen and Maria Peñil called Neurons won first place. They have been working together since 2011 on making bacterial art.[9] The artwork used yellow Nesterenkonia and orange Deinococcus and Sphingomonas.[10][11]

See also

Notes

  1. ^ The colour shown by the micro-organisms also depends on the medium used.

References

  1. ^ Torrice, Michael, ed. (6 November 2009). "Petri Dish Artists". Science. 326 (5954). AAAS: 777. doi:10.1126/science.326_777b.
  2. ^ a b c Palermo, Elizabeth (22 October 2015). "Microbe Masterpieces: Scientists Create Cool Art from Bacteria". Live Science. Purch. Retrieved 9 November 2015.
  3. ^ a b Dunn, Rob (11 July 2010). "Painting With Penicillin: Alexander Fleming's Germ Art". smithsonian.com. Retrieved 20 February 2018.
  4. ^ McGuinness, Ross (3 May 2010). "Putting art under the microscope". Metro. Associated Newspapers Limited. Retrieved 9 November 2015.
  5. ^ a b c "Meet the Microbes". Microbial Art. Retrieved 12 December 2016.
  6. ^ Mole, Beth Marie (19 October 2012). "Bacteriography". The Scientist. LabX Media Group. Retrieved 9 November 2015.
  7. ^ Cressey, Daniel (1 September 2016). "Roger Tsien's legacy: The creations that lit up biology". Nature. Retrieved 12 December 2016.
  8. ^ Tsang, Jennifer (20 November 2019). "This gorgeous art was made with a surprising substance: live bacteria". Science. National Geographic.
  9. ^ bacterialart.com
  10. ^ "Neurons". Archived from the original on 31 March 2016. Retrieved 12 December 2016.
  11. ^ "Announcing the 2015 ASM Agar Art Winners". MicrobeWORLD. American Society for Microbiology. 2015. Archived from the original on 29 October 2015. Retrieved 9 November 2015.
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