Skip to main content

Advertisement

Table 2 Assignment of all lipopeptides mass peaks obtained by MALDI-TOF mass spectrometry of biosurfactant produce by B. amyloliquefaciens strain AR2 while growing on different carbon substrate

From: Substrate dependent in vitro antifungal activity of Bacillus sp strain AR2

Carbohydrate Mass peak Assignment
Sucrose 1016.52, 1044.69 C13 surfactin [M + Na]+ Val-7, C14 surfactin [M + Na]+ Leu/lle-7
1065.58, 1079.6, 1081.57, 1095.61, 1108.52 C14 iturin [M + Na]+, Asn-1; C15 iturin [M + Na]+, Asn-1; C14 iturin [M + K]+, Asn-1; C15 iturin [M + K]+, Asn-1; C16 iturin [M + K]+, Asn-1
1471.62, 1485.86, 1503.60, 1515.89, 1529.89 C15 fengycin [M + Na]+, Ala-6; C16 fengycin [M + Na]+, Ala-6;C17 fengycin [M + H]+, Vla-6;C17 fengycin [M + K]+, Ala-6: C16 fengycin [M + K]+, Vla-6
Sorbitol 1065.60, 1079.70, 1081.57,1095.67 C14 iturin [M + Na]+, Asn-1; C15 iturin [M + Na]+, Asn-1; C14 iturin [M + K]+, Asn-1; C15 iturin [M + K]+, Asn-1
Lactose 1065.59, 1079.61, 1081.61, 1095.58, 1108.52 C14 iturin [M + Na]+, Asn- 1; C15 iturin [M + Na]+, Asn- 1; C14 iturin [M + K]+, Asn-1; C15 iturin [M + K]+, Asn-1; C16 iturin, [M + K]+, Asn-1
Maltose 1065.60, 1079.61, 1081.61, 1095.57, 1108.56 C14 iturin [M + Na]+, Asn-1; C15 iturin [M + Na]+, Asn-1; C14 iturin [M + K]+, Asn-1; C15 iturin [M + K]+, Asn-1; C16 iturin, [M + K]+, Asn-1
Glycerol 1032.33 C13 surfactin [M + K]+, Val-7
1065.62, 1079.60, 1081.61, 1095.59, 1108.59 C14 iturin [M + Na]+, Asn-1; C15 iturin [M + Na]+, Asn-1; C14 iturin [M + K]+, Asn-1; C15 iturin [M + K]+, Asn-1; C16 iturin [M + K]+, Asn-1
1471.82, 1485.84, 1513.84 C15 fengycin [M + Na]+, Ala-6; C16 fengycin [M + Na]+ Ala-6; C16 fengycin [M + Na]+, Vla-6
Dextrose 1044.69 C14 surfactin [M + Na]+, Leu/Ile-7
1065.59, 1079.63, 1081.57, 1095.63, 1108.59 C14 iturin [M + Na]+, Asn-1; C15 iturin [M + Na]+, Asn-1; C14 iturin [M + K]+, Asn-1; C15 iturin [M + K]+, Asn-1; C16 iturin [M + K]+, Asn-1
1471.82, 1485.84, 1503.84, 1515.89, 1529.89 C15 fengycin [M + Na]+, Ala-6; C16 fengycin [M + Na]+, Ala-6; C17 fengycin [M + H]+, Vla-6; C17 fengycin [M + K]+, Ala-6; C16 fengycin [M + K]+, Vla-6