Acta Prataculturae Sinica ›› 2026, Vol. 35 ›› Issue (7): 117-134.DOI: 10.11686/cyxb2025302
Fen-qi CHEN1,2(
), Jin-qing ZHANG1(
), Yi-jian YU1, Zhen-yu LI1
Received:2025-07-17
Revised:2025-09-22
Online:2026-07-20
Published:2026-05-21
Contact:
Jin-qing ZHANG
Fen-qi CHEN, Jin-qing ZHANG, Yi-jian YU, Zhen-yu LI. Identification, bioinformatics analysis of AP2 subfamily genes and MsBBM gene cloning in alfalfa[J]. Acta Prataculturae Sinica, 2026, 35(7): 117-134.
引物名称 Primer name | 基因ID Gene ID | 正向引物 Forward primer (5′-3′) | 反向引物 Reverse primer (5′-3′) | 试验类别 Experiment category |
|---|---|---|---|---|
| MsBBM | MsG0780039855.01 | ATGAACAACAACAACCAACAAGC | TTCATGCAACAAAGTGAAAGGAG | 基因克隆Gene cloning |
| P-MsBBM | MsG0780039855.01 | AGAAGACGTTCCAACCACGT | CGGTAAGGATCTGAGCTACACA | 阳性克隆鉴定Positive clone identification |
| pCEGFP-BBM | MsG0780039855.01 | ATGAACAACAACAACCAACAAGC | TTCATGCAACAAAGTGAAAGGAGG | 亚细胞定位Subcellular localization |
| qMsBBM | MsG0780039855.01 | GGCAGCGGAGGCATATGA | CGTTTTGCAGCACCACCA | 定量实时荧光逆转录聚合酶链式反应qRT-PCR |
| qMsAP2-1 | MsG0280011046.01 | TGGTGAACATGCAGCGGA | AAGCATCTGCACCCGACC | 定量实时荧光逆转录聚合酶链式反应qRT-PCR |
| qMsAP2-2 | MsG0380017239.01 | GTGGAGCTGGTGGTGGTT | CCAGGGCTCATTGAAAGGC | 定量实时荧光逆转录聚合酶链式反应qRT-PCR |
| qMsAP2-3 | MsG0480021078.01 | CAGAGGACTCAACGCCGT | TGCAGCTCCTCCTCCGAT | 定量实时荧光逆转录聚合酶链式反应qRT-PCR |
| qMsAP2-4 | MsG0680030730.01 | TGCAAGGCACCACCACAA | GCACGAGCAGCTTCCTCT | 定量实时荧光逆转录聚合酶链式反应qRT-PCR |
| qMsAP2-5 | MsG0880042725.01 | TTCTCAGCCGCCTCCTCT | TGCTTGGTGAACCGTGCT | 定量实时荧光逆转录聚合酶链式反应qRT-PCR |
| qMsAP2-6 | MsG0880043914.01 | CGTGGGGTTGCTAGGCAT | TGCCATTGCTGCCTCCTC | 定量实时荧光逆转录聚合酶链式反应qRT-PCR |
| qMsAP2-7 | MsG0880043916.01 | AACATCCCTTGGCCGTGG | AGCTAACAGTGCCGGCTG | 定量实时荧光逆转录聚合酶链式反应qRT-PCR |
| qMsAP2-8 | MsG0880046012.01 | TGGAAGATGGCAAGCTCGA | GGCTTCAGCTGCTTCCTCT | 定量实时荧光逆转录聚合酶链式反应qRT-PCR |
| qMsAP2-9 | MsG0880047564.01 | GCATCACACTCGCTCGGA | CTCCGCATGCAAGCAACC | 定量实时荧光逆转录聚合酶链式反应qRT-PCR |
| Actin | MsG0780037052.01 | CAAAAGATGGCAGATGCTGAGGAT | CATGACACCAGTATGACGAGGTCG | 定量实时荧光逆转录聚合酶链式反应qRT-PCR |
Table 1 MsBBM gene cloning, subcellular localization and qRT-PCR primers for MsAP2 family members
引物名称 Primer name | 基因ID Gene ID | 正向引物 Forward primer (5′-3′) | 反向引物 Reverse primer (5′-3′) | 试验类别 Experiment category |
|---|---|---|---|---|
| MsBBM | MsG0780039855.01 | ATGAACAACAACAACCAACAAGC | TTCATGCAACAAAGTGAAAGGAG | 基因克隆Gene cloning |
| P-MsBBM | MsG0780039855.01 | AGAAGACGTTCCAACCACGT | CGGTAAGGATCTGAGCTACACA | 阳性克隆鉴定Positive clone identification |
| pCEGFP-BBM | MsG0780039855.01 | ATGAACAACAACAACCAACAAGC | TTCATGCAACAAAGTGAAAGGAGG | 亚细胞定位Subcellular localization |
| qMsBBM | MsG0780039855.01 | GGCAGCGGAGGCATATGA | CGTTTTGCAGCACCACCA | 定量实时荧光逆转录聚合酶链式反应qRT-PCR |
| qMsAP2-1 | MsG0280011046.01 | TGGTGAACATGCAGCGGA | AAGCATCTGCACCCGACC | 定量实时荧光逆转录聚合酶链式反应qRT-PCR |
| qMsAP2-2 | MsG0380017239.01 | GTGGAGCTGGTGGTGGTT | CCAGGGCTCATTGAAAGGC | 定量实时荧光逆转录聚合酶链式反应qRT-PCR |
| qMsAP2-3 | MsG0480021078.01 | CAGAGGACTCAACGCCGT | TGCAGCTCCTCCTCCGAT | 定量实时荧光逆转录聚合酶链式反应qRT-PCR |
| qMsAP2-4 | MsG0680030730.01 | TGCAAGGCACCACCACAA | GCACGAGCAGCTTCCTCT | 定量实时荧光逆转录聚合酶链式反应qRT-PCR |
| qMsAP2-5 | MsG0880042725.01 | TTCTCAGCCGCCTCCTCT | TGCTTGGTGAACCGTGCT | 定量实时荧光逆转录聚合酶链式反应qRT-PCR |
| qMsAP2-6 | MsG0880043914.01 | CGTGGGGTTGCTAGGCAT | TGCCATTGCTGCCTCCTC | 定量实时荧光逆转录聚合酶链式反应qRT-PCR |
| qMsAP2-7 | MsG0880043916.01 | AACATCCCTTGGCCGTGG | AGCTAACAGTGCCGGCTG | 定量实时荧光逆转录聚合酶链式反应qRT-PCR |
| qMsAP2-8 | MsG0880046012.01 | TGGAAGATGGCAAGCTCGA | GGCTTCAGCTGCTTCCTCT | 定量实时荧光逆转录聚合酶链式反应qRT-PCR |
| qMsAP2-9 | MsG0880047564.01 | GCATCACACTCGCTCGGA | CTCCGCATGCAAGCAACC | 定量实时荧光逆转录聚合酶链式反应qRT-PCR |
| Actin | MsG0780037052.01 | CAAAAGATGGCAGATGCTGAGGAT | CATGACACCAGTATGACGAGGTCG | 定量实时荧光逆转录聚合酶链式反应qRT-PCR |
Fig.3 Phylogenetic tree (A), conserved motif analysis (B), protein sequences corresponding to motifs (C), and protein domain analysis (D) of AP2 genes in alfalfa
基因名 Gene name | 氨基酸数目 Number of amino acid | 分子量 Molecular weight (Da) | 理论等电点 Theoretical isoelectric point | 不稳定性指数 Instability index | 脂肪指数 Aliphatic index | 疏水性系数 Grand average of hydropathicity |
|---|---|---|---|---|---|---|
| MsBBM | 590 | 65160.04 | 6.43 | 42.72 | 56.75 | -0.840 |
| MsAP2-1 | 517 | 57501.91 | 5.60 | 44.77 | 60.06 | -0.759 |
| MsAP2-2 | 664 | 73121.27 | 6.65 | 51.20 | 56.14 | -0.747 |
| MsAP2-3 | 526 | 58996.41 | 5.66 | 43.41 | 52.32 | -0.881 |
| MsAP2-4 | 370 | 42048.77 | 8.69 | 51.89 | 57.03 | -0.858 |
| MsAP2-5 | 579 | 64194.62 | 6.58 | 45.54 | 57.60 | -0.780 |
| MsAP2-6 | 388 | 44099.97 | 5.63 | 58.60 | 61.62 | -0.889 |
| MsAP2-7 | 892 | 99767.58 | 5.37 | 53.23 | 69.54 | -0.641 |
| MsAP2-8 | 655 | 73416.14 | 6.54 | 56.94 | 59.15 | -0.770 |
| MsAP2-9 | 610 | 68181.84 | 7.14 | 42.76 | 79.61 | -0.312 |
Table 2 Physicochemical properties analysis of MsAP2 proteins
基因名 Gene name | 氨基酸数目 Number of amino acid | 分子量 Molecular weight (Da) | 理论等电点 Theoretical isoelectric point | 不稳定性指数 Instability index | 脂肪指数 Aliphatic index | 疏水性系数 Grand average of hydropathicity |
|---|---|---|---|---|---|---|
| MsBBM | 590 | 65160.04 | 6.43 | 42.72 | 56.75 | -0.840 |
| MsAP2-1 | 517 | 57501.91 | 5.60 | 44.77 | 60.06 | -0.759 |
| MsAP2-2 | 664 | 73121.27 | 6.65 | 51.20 | 56.14 | -0.747 |
| MsAP2-3 | 526 | 58996.41 | 5.66 | 43.41 | 52.32 | -0.881 |
| MsAP2-4 | 370 | 42048.77 | 8.69 | 51.89 | 57.03 | -0.858 |
| MsAP2-5 | 579 | 64194.62 | 6.58 | 45.54 | 57.60 | -0.780 |
| MsAP2-6 | 388 | 44099.97 | 5.63 | 58.60 | 61.62 | -0.889 |
| MsAP2-7 | 892 | 99767.58 | 5.37 | 53.23 | 69.54 | -0.641 |
| MsAP2-8 | 655 | 73416.14 | 6.54 | 56.94 | 59.15 | -0.770 |
| MsAP2-9 | 610 | 68181.84 | 7.14 | 42.76 | 79.61 | -0.312 |
基因名 Gene name | 亚细胞定位 Subcellular localization | 蛋白磷酸化位点Protein phosphorylation sites | 二级结构Secondary structure | ||||
|---|---|---|---|---|---|---|---|
丝氨酸 Serine | 苏氨酸 Threonine | 酪氨酸 Tyrosine | α螺旋 Alpha helix (%) | 延伸链 Extended strand (%) | 无规则卷曲 Random coil (%) | ||
| MsBBM | 细胞核Nucleus | 39 | 23 | 11 | 15.93 | 4.92 | 79.15 |
| MsAP2-1 | 细胞核Nucleus | 28 | 17 | 13 | 14.89 | 3.68 | 81.43 |
| MsAP2-2 | 细胞核Nucleus | 66 | 24 | 10 | 14.16 | 5.42 | 80.42 |
| MsAP2-3 | 细胞核Nucleus | 40 | 16 | 11 | 15.78 | 5.13 | 79.09 |
| MsAP2-4 | 细胞核Nucleus | 28 | 18 | 8 | 29.73 | 5.59 | 64.32 |
| MsAP2-5 | 叶绿体Chloroplastic | 49 | 27 | 4 | 15.72 | 8.29 | 75.99 |
| MsAP2-6 | 细胞核Nucleus | 35 | 10 | 6 | 25.52 | 5.67 | 68.81 |
| MsAP2-7 | 细胞核Nucleus | 66 | 31 | 7 | 21.75 | 10.20 | 68.05 |
| MsAP2-8 | 细胞核Nucleus | 65 | 19 | 8 | 13.28 | 3.82 | 82.90 |
| MsAP2-9 | 叶绿体Chloroplastic | 45 | 21 | 9 | 30.66 | 11.64 | 57.70 |
Table 3 Subcellular localization, protein phosphorylation sites and structural analysis of MsAP2 protein
基因名 Gene name | 亚细胞定位 Subcellular localization | 蛋白磷酸化位点Protein phosphorylation sites | 二级结构Secondary structure | ||||
|---|---|---|---|---|---|---|---|
丝氨酸 Serine | 苏氨酸 Threonine | 酪氨酸 Tyrosine | α螺旋 Alpha helix (%) | 延伸链 Extended strand (%) | 无规则卷曲 Random coil (%) | ||
| MsBBM | 细胞核Nucleus | 39 | 23 | 11 | 15.93 | 4.92 | 79.15 |
| MsAP2-1 | 细胞核Nucleus | 28 | 17 | 13 | 14.89 | 3.68 | 81.43 |
| MsAP2-2 | 细胞核Nucleus | 66 | 24 | 10 | 14.16 | 5.42 | 80.42 |
| MsAP2-3 | 细胞核Nucleus | 40 | 16 | 11 | 15.78 | 5.13 | 79.09 |
| MsAP2-4 | 细胞核Nucleus | 28 | 18 | 8 | 29.73 | 5.59 | 64.32 |
| MsAP2-5 | 叶绿体Chloroplastic | 49 | 27 | 4 | 15.72 | 8.29 | 75.99 |
| MsAP2-6 | 细胞核Nucleus | 35 | 10 | 6 | 25.52 | 5.67 | 68.81 |
| MsAP2-7 | 细胞核Nucleus | 66 | 31 | 7 | 21.75 | 10.20 | 68.05 |
| MsAP2-8 | 细胞核Nucleus | 65 | 19 | 8 | 13.28 | 3.82 | 82.90 |
| MsAP2-9 | 叶绿体Chloroplastic | 45 | 21 | 9 | 30.66 | 11.64 | 57.70 |
基因对 Gene pairs | 重复类型 Duplication type | 非同义替换率 Nonsynonymous substitution rate (Ka) | 同义替换率Synonymous substitution rate (Ks) | Ka/Ks | 选择压力 Selection pressure |
|---|---|---|---|---|---|
| MsAP2-1, MsAP2-3 | 片段重复Segmental duplication | 0.23 | 0.71 | 0.32 | 纯化选择Purifying selection |
| MsAP2-2, MsAP2-8 | 片段重复Segmental duplication | 0.35 | 1.05 | 0.33 | 纯化选择Purifying selection |
Table 4 Nonsynonymous substitution rate (Ka) and synonymous substitution rate (Ks) of MsAP2 gene pairs
基因对 Gene pairs | 重复类型 Duplication type | 非同义替换率 Nonsynonymous substitution rate (Ka) | 同义替换率Synonymous substitution rate (Ks) | Ka/Ks | 选择压力 Selection pressure |
|---|---|---|---|---|---|
| MsAP2-1, MsAP2-3 | 片段重复Segmental duplication | 0.23 | 0.71 | 0.32 | 纯化选择Purifying selection |
| MsAP2-2, MsAP2-8 | 片段重复Segmental duplication | 0.35 | 1.05 | 0.33 | 纯化选择Purifying selection |
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