TABLE 2 .

Activity of various unsaturated fatty acids as signal molecules in Xylella fastidiosa and Xanthomonas campestris

Chain length	Orientation	Unsaturated site	Molecule name	XfDSF-biosensor strain		XccDSF-biosensor strain
				Response and/or minimum concn detected (µM)	Fold induction	Response or minimum concn detected (µM)	Fold induction
8	cis	2	2-cis-Octenoic acid	Toxic 30		No response
9	cis	2	2-cis-Nonenoic acid	Toxic 1		No response
10	cis	2	2-cis-Decenoic acid	Toxic 2		10	4.1
11	cis	2	2-cis-Undecenoic acid	Toxic 3		1	12.4
12	cis		2-cis-Dodecenoic acid (BDSF)	3	3.2	0.5	12.4
12	trans	2	2-trans-Dodecenoic acid	Toxic 6		3	7.9
13	cis	2	2-cis-Tridecenoic acid	Toxic		0.1	17.9
13	cis	2	2-cis-11-Methyldodecenoic acid (DSF)	3	17.5	0.05	17.9
14	cis	2	2-cis-Tetradecenoic acid (XfDSF)	1	3.3	7	4.8
14	cis	5	5-cis-Tetradecenoic acid	No response		No response
14	cis	6	6-cis-Tetradecenoic acid	No response		No response
14	cis	9	9-cis-Tetradecenoic acid (myristoleic acid)	No response		No response
14		0	Tetradecenoic acid (myristic acid)	No response
15	cis	2	2-cis-Pentadecenoic acid	10	4.2	No response
15		0	12-Methyltetradecanoic acid (CVC-DSF)	No response		No response
16	cis	2	2-cis-Hexadecenoic acid (XfDSF2)	0.15	8.9	No response
16		0	Hexadecanoic acid	No response		No response
16	cis	9	9-cis-Hexadecenoic acid (palmitoleic acid)	1	4.6	No response
16	trans	9	9-trans-Hexadecenoic acid (palmitelaidic acid)	No response		No response
17	cis	2	2-cis-Heptadecenoic acid	0.3	8.6	No response
18	cis	2	2-cis-Octadecenoic acid	1	6.5	No response
19	cis	2	2-cis-Nonadecenoic acid	No response		No response
20	cis	2	2-cis-Eicodecenoic acid	No response		No response