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 1 Relative concentration and fold changes of major metabolites in leaves 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	29.28	22.00	6.81	−0.41	−2.10^a	−1.69^a
	Aco	1.25	1.02	0.88	−0.30	−0.51	−0.21
	α-KG	0.55	0.52	0.26	−0.09	−1.09^a	−1.00^a
	Succ	9.17	6.45	5.28	−0.51	−0.79	−0.29
	Fum	3.70	1.65	1.02	−1.16^a	−1.86^a	−0.70
	Mal	19.01	8.10	5.86	−1.23^a	−1.70^a	−0.47
Glycolysis	Glc	5.66	71.66	9.08	3.66^a	0.68	−2.98^a
	G6P	0.56	1.29	0.27	1.19^a	−1.06^a	−2.25^a
	F6P	0.54	1.32	0.23	1.30^a	−1.24^a	−2.54^a
	3-PGA	0.35	0.92	0.31	1.38^a	−0.18	−1.56^a
	Pyr	0.68	0.63	0.57	−0.10	−0.25	−0.15
	PEP	0.15	0.62	0.07	2.05^a	−1.15^a	−3.19^a
Amino acids	Glu	270.41	220.74	103.83	−0.29	−1.38^a	−1.09^a
	GABA	101.70	85.20	42.42	−0.26	−1.26^a	−1.01^a
	Ala	67.72	69.28	24.26	0.03	−1.48^a	−1.51^a
	Asp	51.33	32.36	11.90	−0.67	−2.11^a	−1.44^a
	Gly	21.96	13.17	4.47	−0.74	−2.30^a	−1.56^a
	Thr	9.54	7.76	7.12	−0.30	−0.42	−0.12
	Ser	8.58	9.42	2.56	0.13	−1.74	−1.88
	Val	2.92	5.79	2.90	0.99^a	−0.01	−1.00^a
	Pro	0.39	1.31	1.29	1.73^a	1.72^a	−0.02
	Phe	0.51	0.42	0.24	−0.29	−1.10^a	−0.82
	Gln	0.60	0.37	0.09	−0.68	−2.72^a	−2.04^a
	Ile	0.42	2.89	0.48	2.77^a	0.19	−2.58^a
	Leu	0.07	0.42	0.03	2.66^a	−1.02^a	−3.68^a
	Asn	0.06	0.05	0.03	−0.17	−1.12^a	−0.96
Sugars and polyols	Fru	162.82	327.02	224.24	1.01^a	0.46	−0.54
	Suc	0.54	0.92	1.72	0.76	1.67^a	0.90^a
	Tal	29.78	25.25	22.97	−0.24	−0.37	−0.14
	Kes	0.29	0.40	0.33	0.45	0.19	−0.26
	Hep	0.56	0.36	0.85	−0.64	0.60	1.24^a
	mIno	20.79	18.76	15.98	−0.15	−0.38	−0.23
	Sor	0.52	0.39	2.35	−0.42	2.16^a	2.58^a
	Rib	30.99	19.85	14.86	−0.64	−1.06^a	−0.42
	Gala	23.45	18.76	16.26	−0.32	−0.53	−0.21
	Raf	14.24	13.45	4.35	−0.08	−1.71^a	−1.63^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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ISSN: 1471-2229

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