L. fallonii synthesizes cellulose. (A) Genomic organization and Blastx comparison of the regions encoding the cellulose synthesis machinery in E. coli, L. fallonii, L. dumofii and L. anisa. The gray color code represents the Blast matches; the darker the gray the better the blast match. (B) Growth of L. fallonii on calcofluor agar plates that shows cellulose synthesis as visualized under long-wave UV light. L. fallonii is fluorescent due to the binding of calcofluor to cellulose. In contrast L. pneumophila that was used as negative control is not.