RT Journal Article SR Electronic(1) A1 Hubert, E. G. A1 Potter, C. S. A1 Kalmanson, G. M. A1 Guze, L. B.YR 1969 T1 Pigment Formation in L-forms of Serratia Marcescens JF Microbiology, VO 55 IS 2 SP 165 OP 167 DO https://doi.org/10.1099/00221287-55-2-165 PB Microbiology Society, SN 1465-2080, AB SUMMARY: L-forms of Serratia marcescens were produced and serially transferred in osmotically stabilized agar with penicillin. The bacterial form was pigmented, while the L-form colony was not. Lack of colour in the L-form colony was not due to pigment diffusion into the agar; an extract of agar with L-form growth did not show an absorption spectrum for prodigiosin., UL https://www.microbiologyresearch.org/content/journal/micro/10.1099/00221287-55-2-165