Inhibitory activity of bacterial lipopeptides against Fusarium oxysporum f.sp. Strigae

BMC Microbiology

Table 4 Comparison of peak area of surfactin LP from the dual culture of the three bacterial strains with Fos and their corresponding monoculture on a PDA plate

m/z	Name	RT (min)	Cal. MW	Positive ion	Peak area (x10⁵), dual culture			Peak area (x10⁵), monoculture
m/z	Name	RT (min)	Cal. MW	Positive ion	FZB42	GB03	BSn5	FZB42	GB03	BSn5
1008.658	Surfactin [Val2] C14	19.6	1007.651	[M + H]⁺	47.7	37.4	324.4	29.6	30	244.3
1022.674	Surfactin [Val2] C15	20.3	1021.667	[M + H]⁺	79.4	51	337	50.8	52.5	324.7
994.642	Surfactin [Val7] C13	18.45	993.635	[M + H]⁺	13.1	6.5	19.6	29.3	7.3	61.7
1008.656	Surfactin [Val7] C14	19.85	1007.652	[M + H]⁺	71.5	38.4	20.9	242.3	29	120.8
1022.675	Surfactin [Val7] C15	20.65	1021.668	[M + H]⁺	703.7	443.2	848.8	1576.3	400.2	887.6
1036.691	Surfactin [Val7] C16	21.2	1035.684	[M + H]⁺	577.3	135.5	1036	182	149.3	884.7
994.644	Surfactin C12	17.6	993.635	[M + H]⁺	139	89.1	47.7	75.8	86.5	30.9
1008.659	Surfactin C13	18.45	1007.652	[M + H]⁺	751.3	465.8	907.6	746.6	445.5	931.3
1022.674	Surfactin C14⁺	19.5	1021.668	[M + H]⁺	1205.8	618.5	1726	2936.9	710.8	2535.8
1022.674	Surfactin C14	19.75	1021.667	[M + H]⁺	3300.4	2203.7	14,749	2430.8	2079.1	958.8
1036.69	Surfactin C15⁺	20.45	1035.682	[M + H]⁺	6848.8	5067.8	6827.7	7677.9	4687	6277.7
1036.69	Surfactin C15	21.4	1035.683	[M + H]⁺	169	133.4	197.5	2090.4	114.7	456.3
1050.706	Surfactin C16⁺	21.45	1049.699	[M + H]⁺	221.5	64.1	251.8	557.3	69.1	476.6
1050.706	Surfactin C16	21.7	1049.699	[M + H]⁺	139.9	50.9	81.3	130.8	53.6	27.2
1064.722	Surfactin C17	22.35	1063.713	[M + H]⁺	37	20.9	36.5	129.2	15.6	43.3
Total surfactin					13779.4	9232.5	12940.1	18014.6	8737.5	13140.4

ISSN: 1471-2180