Integrated metabolomics and genomics analysis provides new insights into the fiber elongation process in Ligon lintless-2 mutant cotton (Gossypium hirsutumL.)

Table 1 Fold change in peak area metabolites up-regulated in developing fiber of Li ₂ plants

	5DPALi₂/WT	8DPALi₂/WT	12DPALi₂/WT	16DPALi₂/WT
Organic acids
N-Acetylglutamic acid	7.1	19.4	13.1	4.1
2-Ketoglutaric acid	1.4	3.6	1.9	2.0
Succinic acid	11.9	2.3	1.3	5.4
Malic acid	1.3	2.6	3.2	4.6
Shikimic acid	4.5	2.1	3.3	2.3
Glycolic acid	3.0	1.6	1.3	1.1
Amino acids
Serine	36.2	328.8	142.8	10.5
Aspartic acid	126.5	36.5	63.2	31.2
Valine	5.0	1.2	0.7	0.7
Glycine	14.7	1.1	0.5	2.4
Non-protein amino acid
Gamma-Aminobutyric acid	7.8	9.6	1.9	0.5
Phenolic
trans-p-Coumaric acid	2.4	2.8	2.6	1.8
Serotonin
5-Hydroxytryptamine	4.2	5.7	2.2	2.3

Values represent fold change of mutant to WT in peak area of identified metabolites at 5, 8, 12, and 16 DPA. Bold font indicates significant changes (p < 0.05) in metabolite levels between near-isogenic lines (data represent 3 biological replicates).

ISSN: 1471-2164