Cotton Science

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Comparison of the transcriptomes between pink flower buds and yellow flower buds in upland cotton

Liu Linqiang, Han Xiao, Yang Lan, Yan Qingdi, Hu Wei, Jin Yuying, Yu Jie, Yang Zhaoen, Li Fuguang

Cotton Science, 2023, 35(4): 259-273. DOI: 10.11963/cs20200102

花色苷 Anthocyanin	P-B1	W-B1	P-A9	W-A9
飞燕草素-3-O-(6''-O-对香豆酰)-葡萄糖苷 Delphinidin-3-O-(6''-O-p-coumaroyl)-glucoside	19 856 000	22 012 000	19 815 667	16 734 333
矢车菊素-3-O-葡萄糖苷 Cyanidin-3-O-glucoside	2 508 500	2 642 800	8 111 433	2 085 233
矢车菊素-3-O-半乳糖苷 Cyanidin-3-O-galactoside	2 341 400	2 155 700	8 255 933	1 957 733
天竺葵素-3-O-葡萄糖苷 Pelargonidin-3-O-glucoside	2 461 200	2 344 150	6 805 267	1 942 533
矢车菊素-3-O-(6''-O-对香豆酰) -葡萄糖苷 Delphinidin-3-O-(6''-O-caffeoyl)-glucoside	4 259 933	4 137 750	1 887 033	1 743 300
天竺葵素-3,5-O-二葡萄糖苷 Pelargonidin-3,5-O-diglucoside	1 299 267	1 171 450	1 046 043	1 145 600
飞燕草素-3-O-(6''-O-咖啡酰)-葡萄糖苷 Delphinidin-3-O-(6''-O-caffeoyl)-glucoside	210 817	157 590	2 031 200	1 815 800
矢车菊素-3-O-(2''-O-葡萄糖基)-葡萄糖苷 Cyanidin-3-O-(2''-O-glucosyl) glucoside	1 131 100	1 110 550	441 413	862 427
矢车菊素-3-O-芸香糖苷 Cyanidin-3-O-rutinoside	905 017	763 940	424 970	1 260 433
矢车菊素-3-O-(6''-O-对香豆酰-2''-O-木糖基)-葡萄糖苷 Cyanidin-3-O-(6''-O-p-coumaroyl-2''-O-xylosyl)-glucoside	652 110	668 540	335 313	292 260
矢车菊素-3-O-(6''-O-丙二酰)-葡萄糖苷 Cyanidin-3-O-(6''-O-malonyl)-glucoside	30 572	17 216	493 830	15 031

Table 2 Anthocyanin content in buds at B1 and A9 stages of CCRI 24 and Zhongyihong

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Fig. 1 Flowers and buds at different development stages of CCRI 24 and Zhongyihong A: Flowers and buds at different development stages of CCRI 24 (upper panel) and Zhongyihong (bottorn panel); B: Flowers of CCRI 24 (right) and Zhongyihong (left), photos were taken at the flowering day; C: The color of petals at different development stages of CCRI 24 (upper panel) and Zhongyihong (bottorn panel).
Table 1 Primers used in this study
Table 3 Basic information for transcriptome sequencing data
Fig. 2 Correlation analysis between different samples based on gene expression levels 1, 2, and 3 followed W-B1, W-A9, P-B1 and P-A9 indicate three replicates. r is the correlation coefficient.
Fig. 3 Comparison of gene expression profiles between qRT-PCR and RNA-Seq Black bars represent gene expression level detected by qRT-PCR, and gray bars represent TPM of genes by RNA-seq.
Table 4 Numbers of DEG between different sample group
Fig. 4 Venn analysis of DEG in buds of CCRI 24 and Zhongyihong at different developmental stages
Fig. 5 The expression profiles of Gh_A07G083500 and Gh_A07G079800 Statistical analyses have been the Student’s test. ** and **** indicate significance at the 0.01 and 0.000 1 probability level, respectively.
Fig. 6 GO enrichment analysis of DEG A: GO enrichment analysis of up-regulated DEG, B: GO enrichment analysis of down-regulated DEG.
Table 5 Metabolic pathways of up-regulated PEG
Table 6 Metabolic pathways of down-regulated DEG
Fig. 7 Gene expression level involved in the biosynthesis, modification and transport pathway of anthocyanin
Fig. 8 The regulation and transport model of anthocyanin in pink flower The dotted line indicates the genes not enriched in this pathway in this study.

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