Photonic plasmid stability of transformed Salmonella Typhimurium: A comparison of three unique plasmids

BMC Microbiology

Table 1 Stability of luminescent bacteria evaluated as percent emitting bacteria.

	Luminescent Salmonella typhimurium
	Day of Culture (% of Total Colonies)
Plasmid Type	0	6	10
pAK1-lux
% Emitters	100	56 ± 1^a,x	35 ± 1^b,x
% Non-Emitters	0	44 ± 1	65 ± 1
pXEN-1
% Emitters	100	60 ± 1^a,y	43 ± 1^b,y
% Non-Emitters	0	40 ± 1	57 ± 1
pCGLS-1
% Emitters	100	35 ± 2^a,z	11 ± 1^b,z
% Non-Emitters	0	65 ± 2	89 ± 1

Superscripts differ within plasmid ^a,b (P < 0.05).
Superscripts differ between plasmids ^x,y,z (P < 0.05).
Stability of luminescent Salmonella typhimurium with three different plasmids (pAK1-lux, pXEN-1, and pCGLS-1); Percent emitting and non-emitting evaluations at day 0, 6, and 10 of in vitro culturing without ampicillin selection.

ISSN: 1471-2180