Acta Horticulturae Sinica ›› 2026, Vol. 53 ›› Issue (4): 1202-1214.doi: 10.16420/j.issn.0513-353x.2025-0057
• Genetic & Breeding · Germplasm Resources · Molecular Biology • Previous Articles Next Articles
GUO Xinqi, CHEN Qiang, ZHANG Ying, ZHANG Chong*(
)
Received:2025-12-04
Revised:2026-02-12
Online:2026-04-25
Published:2026-04-20
Contact:
ZHANG Chong
GUO Xinqi, CHEN Qiang, ZHANG Ying, ZHANG Chong. Effects of Ethylene Signal Treansduction Factor CmEIL01 Gene on Volatile Biosynthesis of Melon Fruit[J]. Acta Horticulturae Sinica, 2026, 53(4): 1202-1214.
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URL: https://www.ahs.ac.cn/EN/10.16420/j.issn.0513-353x.2025-0057
| 基因名称 Gene name | 序号 Accession number | 片段大小/bp Size of amplified | 引物序列(5′-3′) Primer sequence |
|---|---|---|---|
| CmEIL01 | MELO3C015210 | 188 | F:GAACACTGGCTCCCTCTCAG R:AGCCGGTACTTCTGACTGGA |
| CmEIL02 | MELO3C017592 | 214 | F:GCATTTGCAGAGGAGAGAGG R:GGACTCGCATTCAGATCCAT |
| CmEIL03 | MELO3C019931 | 170 | F:GCACCCTGATTTTTCTTCCA R:CTTGTTTGGGCAATTGTGTG |
| CmEIL04 | MELO3C015633 | 205 | F:GTTCCAGAAGATGGCCAAAA R:TCGAGCCATCGAAGAAGTTT |
| CmAAT1 | MELO3C024771 | 134 | F:AAAACGTGGACTTTGGATGG R:CAACGAGGCATGAACATTTG |
Table 1 Primer sequences for qRT-PCR analysis of gene expression
| 基因名称 Gene name | 序号 Accession number | 片段大小/bp Size of amplified | 引物序列(5′-3′) Primer sequence |
|---|---|---|---|
| CmEIL01 | MELO3C015210 | 188 | F:GAACACTGGCTCCCTCTCAG R:AGCCGGTACTTCTGACTGGA |
| CmEIL02 | MELO3C017592 | 214 | F:GCATTTGCAGAGGAGAGAGG R:GGACTCGCATTCAGATCCAT |
| CmEIL03 | MELO3C019931 | 170 | F:GCACCCTGATTTTTCTTCCA R:CTTGTTTGGGCAATTGTGTG |
| CmEIL04 | MELO3C015633 | 205 | F:GTTCCAGAAGATGGCCAAAA R:TCGAGCCATCGAAGAAGTTT |
| CmAAT1 | MELO3C024771 | 134 | F:AAAACGTGGACTTTGGATGG R:CAACGAGGCATGAACATTTG |
Fig. 1 Expression,purification and identification of interacting proteins of CmEIL01 recombinant protein by GST Pull-down assay A:SDS-PAGE analysis of recombinant CmEIL01 protein expression;B:SDS-PAGE analysis of purified recombinant CmEIL01 protein;C:Western blot analysis of recombinant CmEIL01 protein;D:SDS-PAGE results of GST Pull-down assay. P1 and P2 are specifically enriched interacting protein bands only in the CmEIL01-GST treatment group;P3 represents the GST-tagged protein or the CmEIL01-GST band itself,serving as a loading control
| 基因ID Gene ID | 匹配肽段数 Number of peptide matches | 功能预测 Predicted protein function | 等电点 pI | 分子量/kD Molecular weight | 启动子ECBS区预测 ECBS prediction of protomers |
|---|---|---|---|---|---|
| MELO3C024771 | 21 | 醇酰基转移酶 Alcohol acyl-transferases | 51.61 | 8.28 | AAGAAACCT(+884) AAGTAACCT(+123) |
| MELO3C006322.2 | 15 | 谷胱甘肽还原酶 Glutathione reductase | 53.90 | 5.96 | AAGTAACT(+564) |
| MELO3C014437.2 | 13 | 1-氨基环丙烷-1-羧酸氧化酶 1-Aminocyclopropane-1-carboxylate oxidase | 36.07 | 5.34 | AAGTAACCT(+123) ACGTACCT(+564) AAGGACCT(+1235) |
| MELO3C011043.2 | 9 | 醇脱氢酶 Alcohol dehydrogenase | 42.50 | 5.60 | AAGTAAAT(+269) |
| MELO3C010017.2 | 7 | 聚半乳糖醛酸酶 Polygalacturonase | 45.45 | 6.95 | _ |
| MELO3C009647.2 | 5 | 转录因子HBP-1b Transcription factor HBP-1b-like isoform | 52.21 | 6.33 | AAGAAACT(-456) |
| MELO3C003106.2 | 4 | RAS相关蛋白 Ras-related protein RABE1a | 23.92 | 7.65 | _ |
| MELO3C025976.2 | 2 | 热激蛋白 Heat shock protein 90-2 | 66.48 | 6.21 | _ |
| MELO3C012292.2 | 2 | ATP合成酶 ATP synthase subunit beta | 59.74 | 5.70 | _ |
Table 2 CmEIL01-binding proteins identified by GST pull-down and promoter cis-elements of CmAAT1
| 基因ID Gene ID | 匹配肽段数 Number of peptide matches | 功能预测 Predicted protein function | 等电点 pI | 分子量/kD Molecular weight | 启动子ECBS区预测 ECBS prediction of protomers |
|---|---|---|---|---|---|
| MELO3C024771 | 21 | 醇酰基转移酶 Alcohol acyl-transferases | 51.61 | 8.28 | AAGAAACCT(+884) AAGTAACCT(+123) |
| MELO3C006322.2 | 15 | 谷胱甘肽还原酶 Glutathione reductase | 53.90 | 5.96 | AAGTAACT(+564) |
| MELO3C014437.2 | 13 | 1-氨基环丙烷-1-羧酸氧化酶 1-Aminocyclopropane-1-carboxylate oxidase | 36.07 | 5.34 | AAGTAACCT(+123) ACGTACCT(+564) AAGGACCT(+1235) |
| MELO3C011043.2 | 9 | 醇脱氢酶 Alcohol dehydrogenase | 42.50 | 5.60 | AAGTAAAT(+269) |
| MELO3C010017.2 | 7 | 聚半乳糖醛酸酶 Polygalacturonase | 45.45 | 6.95 | _ |
| MELO3C009647.2 | 5 | 转录因子HBP-1b Transcription factor HBP-1b-like isoform | 52.21 | 6.33 | AAGAAACT(-456) |
| MELO3C003106.2 | 4 | RAS相关蛋白 Ras-related protein RABE1a | 23.92 | 7.65 | _ |
| MELO3C025976.2 | 2 | 热激蛋白 Heat shock protein 90-2 | 66.48 | 6.21 | _ |
| MELO3C012292.2 | 2 | ATP合成酶 ATP synthase subunit beta | 59.74 | 5.70 | _ |
Fig. 2 Verification of the interaction between CmEIL01 and CmAAT1 in vitro,in vivo,and by transcriptional activation assay A:SDS-PAGE analysis of CmAAT1 recombinant protein expression;B:SDS-PAGE of purified CmAAT1 recombinant protein;C:Western Blot analysis of CmAAT1 recombinant protein;D:Western Blot verification of GST pull-down results;E:Predicted three-dimensional model of CmEIL01-CmAAT1 interaction;F:Yeast two-hybrid(Y2H)assay of CmEIL01and CmAAT1 interaction;G:Relative luciferase activity in dual-luciferase report assay. *indicates differences that are statistically significant on the P < 0.05 level;**indicates differences that are extremely statistically significant on the P < 0.01 level. ns:No significant. The same below
Fig. 3 LUC fluorescence imaging of transient overexpression of CmEIL01 in melon fruit,and analysis of EIL family gene expression and ethylene release A:Fruit fluorescence imaging at different time points after Agrobacterium-mediated transient transformation;B:Relative expression levels of CmEIL01 to CmEIL04 genes;C:Endogenous ethylene levels in CmEIL01-overexpressing fruit versus control fruit
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