Comparative metabolic responses and adaptive strategies of wheat (Triticum aestivum) to salt and alkali stress

Guo, Rui; Yang, Zongze; Li, Feng; Yan, Changrong; Zhong, Xiuli; Liu, Qi; Xia, Xu; Li, Haoru; Zhao, Long

doi:10.1186/s12870-015-0546-x

BMC Plant Biology

Table 2 Relative concentration and fold changes of major metabolites in roots of wheat seedlings after 15 d of salt and alkali treatments

From: Comparative metabolic responses and adaptive strategies of wheat (Triticum aestivum) to salt and alkali stress

Metabolic pathways	Metabolites	Relative concentration			Fold changes
Metabolic pathways	Metabolites	CK	SS	AS	log₂ ^(SS/CK)	log₂ ^(AS/CK)	log₂ ^(AS/SS)
TCA cycle	Cit	70.05	114.56	166.40	0.71	1.25^a	0.54
	Aco	1.37	1.44	2.87	0.07	1.07^a	1.00^a
	α-KG	0.15	0.27	0.59	0.81	1.94^a	1.13^a
	Succ	17.80	11.37	86.02	−0.65	2.27^a	2.92^a
	Fum	1.25	1.04	7.21	−0.27	2.53^a	2.80^a
	Mal	10.44	16.43	18.29	0.65	0.81	0.15
Glycolysis	Glc	22.49	11.19	9.45	−1.01^a	−1.25^a	−0.24
	G6P	0.49	0.23	0.10	−1.09^a	−2.32^a	−1.23^a
	F6P	0.19	0.10	0.05	−0.95	−1.96^a	−1.01^a
	3-PGA	0.44	0.27	0.14	−0.72	−1.63^a	−0.92
	Pyr	0.49	0.52	0.39	0.09	−0.34	−0.43
	PEP	0.64	0.61	0.25	−0.07	−1.34^a	−1.27^a
Amino acids	Glu	134.99	141.95	36.04	0.07	−1.91^a	−1.98^a
	GABA	104.32	46.87	33.20	−1.15^a	−1.65^a	−0.50
	Ala	151.29	98.92	14.73	−0.61	−3.36^a	−2.75^a
	Asp	12.33	7.44	7.28	−0.73	−0.76	−0.03
	Gly	7.45	4.09	0.97	−0.87	−2.94^a	−2.07^a
	Thr	9.71	4.95	1.50	−0.97	−2.70^a	−1.7^a2
	Ser	16.05	11.41	2.22	−0.49	−2.85^a	−2.36^a
	Val	17.42	8.19	5.28	−1.09^a	−1.72^a	−0.64
	Pro	8.54	17.36	14.58	1.02^a	0.77	−0.25
	Phe	0.41	0.19	0.16	−1.08^a	−1.31^a	−0.23
	Gln	0.11	0.12	0.02	0.17	−2.20^a	−2.36 ^a
	Ile	7.50	3.06	2.51	−1.29^a	−1.58^a	−0.29
	Leu	0.63	0.19	0.14	−1.73^a	−2.18^a	−0.44
	Asn	16.66	3.07	1.29	−2.44^a	−3.69^a	−1.25^a
Sugars and polyols	Fru	860.33	684.72	237.87	−0.33	−1.85^a	−1.53^a
	Suc	96.20	180.38	104.07	0.91	0.11	−0.79
	Tal	119.04	85.27	26.98	−0.48	−2.14^a	−1.66^a
	Kes	60.63	84.66	24.67	0.48	−1.30^a	−1.78^a
	Hep	0.80	0.29	0.18	−1.47^a	−2.19^a	−0.72
	mIno	11.07	24.44	4.62	1.14^a	−1.26^a	−2.40^a
	Sor	9.78	3.13	3.42	−1.65^a	−1.52^a	0.13
	Rib	9.02	5.24	1.56	−0.78	−2.53^a	−1.75^a
	Gala	0.85	3.22	0.84	1.92^a	−0.02	−1.94^a
	Raf	0.39	1.01	0.10	1.39^a	−1.91^a	−3.29^a

The relative concentration of each metabolite is an average of data from six biological replicates obtained through GC–MS. Fold changes were calculated using the formula log₂ ^{(treatment/control)}
^aindicates significance (p < 0.05)

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