Differences in flavonoid pathway metabolites and transcripts affect yellow petal colouration in the aquatic plant Nelumbo nucifera

Zhu, Huan-huan; Yang, Ju-xiang; Xiao, Chu-han; Mao, Tian-yu; Zhang, Jie; Zhang, Hong-yan

doi:10.1186/s12870-019-1886-8

Table 1 Pearson correlation analyses between the metabolites and the b* value of Y/W

From: Differences in flavonoid pathway metabolites and transcripts affect yellow petal colouration in the aquatic plant Nelumbo nucifera

Metabolites	R	R²	p
Primary metabolites
Silanol	−0.440	0.194	0.459
Glycerol	−0.108	0.012	0.863
Myo-Inositol	−0.656	0.430	0.229
D-Psicofuranose	0.940*	0.884	0.018
D-Allofuranose	−0.923*	0.852	0.026
D-(−)-Fructose	−0.621	0.386	0.263
D-Glucose	−0.964**	0.929	0.008
D-Lactose	−0.712	0.507	0.178
Sucrose	−0.749	0.561	0.145
Boric acid	−0.038	0.001	0.952
Lactic acid	−0.534	0.285	0.354
Oxalic acid	−0.587	0.345	0.298
Pipecolic acid	−0.581	0.338	0.305
4-Hydroxybutanoic acid	−0.808	0.653	0.098
Butanedioic acid	−0.708	0.501	0.181
2-Butenedioic acid	−0.495	0.245	0.397
Nonanoic acid	−0.668	0.446	0.218
Malic acid	0.810	0.656	0.097
4-Aminobutanoic acid	0.221	0.049	0.721
L-Threonic acid	0.277	0.077	0.652
L-(+)-Tartaric acid	−0.242	0.059	0.695
2-Keto-l-gluconic acid	0.262	0.069	0.671
Terephthalic acid	0.916*	0.839	0.029
Shikimic acid	0.687	0.472	0.200
Citric acid	0.906*	0.821	0.034
2-Ketoglutaric acid	−0.627	0.393	0.258
Quininic acid	0.997**	0.994	0.000
Ascorbic acid	−0.018	0.000	0.977
Palmitic acid	−0.436	0.190	0.463
Linoelaidic acid	−0.666	0.444	0.219
α-Linolenic acid	−0.461	0.213	0.435
Sebacic acid	0.314	0.099	0.607
L-Valine	−0.255	0.065	0.679
L-Isoleucine	−0.675	0.456	0.211
L-Serine	−0.648	0.420	0.237
L-Threonine	−0.396	0.157	0.510
Serine	−0.136	0.018	0.828
L-Aspartic acid	−0.238	0.057	0.700
β-Alanine	0.160	0.026	0.798
L-5-Oxoproline	−0.688	0.473	0.199
L-Glutamic acid	0.783	0.613	0.117
L-Tyrosine	−0.273	0.075	0.657
Glyceric acid	0.925*	0.856	0.024
Stearic acid	−0.510	0.260	0.380
1-Monopalmitin	−0.430	0.185	0.470
Glycerol monostearate	−0.355	0.126	0.557
Secondary metabolite
Phenylalanine	0.657	0.432	0.228
Coumaric acid	−0.587	0.345	0.298
Dihydrokaempferol(−D)	−0.560	0.314	0.327
Dihydromyricetin	0.956*	0.914	0.011
Dihydroquercetin	0.468	0.219	0.427
Kaempferol(−D)	−0.517	0.267	0.373
Myricetin(−D)	0.815	0.664	0.092
Quercetin(−D)	0.931*	0.867	0.022
Catechin(−D)	0.874	0.764	0.053
Isorhamnetin(−D)	0.972**	0.945	0.006

Note: * indicates significant correlation at P < 0.05 level, with ** indicate highly significant correlation at P < 0.01 level

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ISSN: 1471-2229

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