Strains

Molar mass (g.mol-1)

CLP

Putative structure

HPLC normalized peak aera

 

 

 

 

Growth at 8°C

Growth at 17°C

PfA7B

1111.7

Massetolide E*

-

199

535

 

1125.7

Viscosin

-

1100

2569

DSS73

1394.8

Amphisin

-

141

2

CTS22

1353.8

Lokisin

-

1

72

 

1111.6

2 or Massetolide E

 For 2 C10H19O2-Leu/Ile-Glu-(Thr-Val-Leu/Ile-Ser-Leu/Ile-Ser-Val)

0

26

CTS38

1125.7

1 or Massetolide F

For 1 C10H19O2-Leu/Ile-Glu-(Thr-Val-Leu/Ile-Ser-Leu/Ile-Ser-Leu/Ile)

24

303

 

1151.6

6

For 6 C12H2302-cycloproAla-Glu-(Thr-Val-Leu/Ile-Ser-Leu/Ile-Ser-Leu/Ile)

0

33

 

1153.7

Massetolide H

-

17

288

 

1111.6

2 or Massetolide E

 For 2 C10H19O2-Leu/Ile-Glu-(Thr-Val-Leu/Ile-Ser-Leu/Ile-Ser-Val)

12

37

 

1125.6

1 or Massetolide F

For 1 C10H19O2-Leu/Ile-Glu-(Thr-Val-Leu/Ile-Ser-Leu/Ile-Ser-Leu/Ile)

149

214

CTS50

1139.6

Massetolide A or Massetolide G or Pseudophomin A

-

750

556

 

1165.4

7

at least the lactone ring (Thr-Val-Leu/Ile-Ser-Leu/Ile-Ser-Leu/Ile)

0

5

 

1167.6

Massetolide C or Pseudophomin B

-

0

4

CTS70

1394.8

Amphisin

-

2

21

 

1408.5

Tensin

-

43

111

CTS117

1111.7

2 or Massetolide E

 For 2 C10H19O2-Leu/Ile-Glu-(Thr-Val-Leu/Ile-Ser-Leu/Ile-Ser-Val)

18

57

 

1125.7

 1 or Massetolide F

For 1 C10H19O2-Leu/Ile-Glu-(Thr-Val-Leu/Ile-Ser-Leu/Ile-Ser-Leu/Ile)

21

614

CTS193

1408.9

Hodersin

-

1

2

 

1110.7

3 or Pseudodesmin B

For 3 C10H19O2-Leu/Ile-Gln-(Thr-Val-Leu/Ile-Ser-Leu/Ile-Ser-Val)

276

184

 

1124.7

3 or Pseudodesmin B and Viscosinamide

-

11

49

 

1110.7

 

-

14

41

 

1124.7

Viscosinamide

-

1255

2244

DR54

1150.5

4

For 4 C12H23O2-cycloproAla-Gln-(Thr-Val-Leu/Ile-Ser-Leu/Ile-Ser-Leu/Ile)

8

25

 

1152.6

5

For 5 C12H23O2-Leu/Ile-Gln-(Thr-Val-Leu/Ile-Ser-Leu/Ile-Ser-Leu/Ile)

14

48

 

 

* tentatively

 

 

 

Table 4: CLP identification and quantification at 8°C and 17°C HPLC/MS was made for CLPs produced by the wild strains as described in materials and methods. CLP quantification was evaluated with the help of the chromatogram area under the peaks divided by the smallest observed area, i.e. CTS 22 and CTS193 grown at 8°C.