Induced transcriptional profiling of phenylpropanoid pathway genes increased flavonoid and lignin content in Arabidopsisleaves in response to microbial products

Table 1 Flavonoids identified in Arabidopsis thaliana leaf tissue by liquid chromatography-electrospray ionization Q- time of flight - mass spectrometry (LC/ESI- Q-TOF MS/MS) analysis

Peak no.	Rt (min)	ESI-MS *(m/z)*	Mol formula	Compound name
1 (A4)	7.1294	757.2185	C₃₃H₄₁O₂₀	Anthocyanidin 3-(2G-glucosylrutinoside)
2 (F2)	7.3303	740.2166	C₃₃H₄₀O₁₉	Kaempferol-3-O-alpha-L-rhamnopyranosyl (1-2)-beta-D-glucopyranoside-7-O-alpha-L-rhamnopyranoside
3 (F3)	7.3482	432.1062	C₂₁H₂₀O₁₀	Kaempferol with rhamnosides
4 (A1)	7.4932	595.1674	C₂₇H₃₁O₁₅	Anthocyanidin 3-Rhamnoglucoside
5 (A5)	7.5893	757.2188		Anthocyanidin 3-(2G-glucosylrutinoside)
6 (F5)	7.7591	432.1062	C₂₁H₂₀O₁₀	Kaempferol with rhamnosides
7 (F7)	7.7687	594.1596	C₂₇H₃₀O₁₅	Quercetin 3,7-dirhamnoside
8 (A2)	7.7707	1211.305	C₅₆H₅₉O₃₀	Anthocyanidin 3-(6-malonylglucoside)-7,3′-di-(6-feruloylglucoside)
9 (A3)	7.9512	1197.293	C₅₅H₅₇O₃₀	Anthocyanidin 3-(6"-caffeyl-2"-sinapylsambubioside)-5-(6-malonylglucoside)
10 (F9)	8.1942	362.0622	C₁₇H₁₄O₉	Pentamethoxydihroxyflavone
11 (F8)	8.2139	516.1278	C₂₅H₂₄O₁₂	Apigenin 7-(2",3"-diacetylglucoside)
12 (F1)	8.2625	578.1646	C₂₇H₃₀O₁₄	Kaempferol-3,7-O-bis-alpha-L-rhamnoside
13 (F4)	8.2657	432.1067	C₂₁H₂₀O₁₀	Kaempferol with rhamnosides
14 (F6)	11.434	286.048	C₁₅H₁₀O₆	Kaempferol

Rt, retention time; ESI-MS, electrospray ionization/mass spectrometry; m/z, mass/charge.

ISSN: 1471-2229