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Faculty of Biochemical and Chemical engineering

Merry Christmas

Merry X-Mas made of E.coli cells on an agar plate © Marco Aras​/​TU Dortmund
Snowman made of E.coli cells on an agar plate © Marco Aras​/​TU Dortmund
Star made of E.coli cells on an agar plate © Marco Aras​/​TU Dortmund
Christmas tree made of E.coli cells on an agar plate © Marco Aras​/​TU Dortmund
With our "Agar-Art" we would like to wish everyone a Merry Christmas and all the best for 2026.

Escherichia coli forms a greenish metallic sheen on the selective culture medium eosin methylene blue agar (EMB agar) - perfect for Christmas motifs!