DGGE: comparison between optimal and suboptimal storage (40 to 60% denaturating gel) (s2). Identifications based on marker fragments (letters) and sequence information (numbers) are represented as in Fig. 4 and Table SB in the supplemental material. 5, P. fluorescens group; 6, Acinetobacter haemolyticus; a, P. fluorescens group; b, P. fluorescens group/P. lundensis; e, P. fragi.