Similar, but different: structurally related azelaic acid and hexanoic acid trigger differential metabolomic and transcriptomic responses in tobacco cells

Table 1 List of tentatively annotated biomarkers associated with the pre-conditioned state in cultured tobacco cells treated with 100 μM azelaic - and hexanoic acid respectively as priming agents

Rt (min)	Ion (m/z)	Annotated compound	Diagnostic fragments (m/z)	Azelaic acid	Hexanoic acid
3.37	411.1908	[1] Caffeoylputrescine glycoside	249.1246, 321.1380, 135.0438	x	x
4.43	353.0583	[2] cis-5-Caffeoylquinic acid	191.0634, 135.0376	x	x
5.35	355.1017	[3] Feruloylglycoside	193.0493	x	x
7.58	349.1384	[4] Azelaic acid glycoside	187.0881	x
8.34	504.1725	[5] Feruloyl-3-methoxytyramine glycoside	342.1246, 178.0354	x	x
8.90	546.1877	[6] Feruloyl-3-methoxytyramine conjugate	342.1443, 178.0786	x	x
9.70	342.1443	[7] Feruloyl-3-methoxytyramine	178.0532	x

Note: the mass to charge ratio of the ions are customarily presented as m/z in italics

ISSN: 1471-2229