图/表 详细信息

基于Bt毒素的杀虫蛋白理性设计与创新应用策略
徐重新, 金嘉凤, 孙晓明, 沈成, 张霄, 陈澄宇, 刘贤金, 刘媛
中国农业科学, 2024, 57(1): 96-125.   DOI: 10.3864/j.issn.0578-1752.2024.01.008

供试模板
Tested template
杂合策略
Heterozygous strategy
实施效果
Implementation effect
参考文献
Reference
Cry9Aa:
Cry1Ac
Cry9Aa Domain I替换为Cry1Ac的Domain I Domain I of Cry9Aa was replaced by the Domain I of Cry1Ac杂合体对棉铃虫(LC50为0.725 ng·cm-2)的致死毒力较Cry1Ac(LC50为3.564 ng·cm-2)提高4.9倍,Cry9Aa无杀虫活性The lethal virulence of the hybrid to H. armigera (LC50 was 0.725 ng·cm-2) was 4.9-fold higher than that of the Cry1Ac (LC50 was 3.564 ng·cm-2), and the Cry9Aa had no insecticidal activity[80]
Cry1Ab:
Cry1C
Cry1Ab Domain III替换为Cry1C的Domain III Domain III of Cry1Ab was replaced by the Domain III of Cry1C杂合体对小菜蛾(LC50为6 ng·cm-2)的致死毒力较Cry1Ab(LC50为15 ng·cm-2)和Cry1C(LC50为117 ng·cm-2)分别提高2.5和19.5倍The lethal virulence of the hybrid to P. xylostella (LC50 was 6 ng·cm-2) was 2.5- and 19.5-fold higher than that of the Cry1Ab (LC50 was 15 ng·cm-2) and Cry1C (LC50 was 117 ng·cm-2), respectively[94]
Cry1Ab:
Cry1Gc
Cry1Ab Domain III替换为Cry1Gc的Domain III Domain III of Cry1Ab was replaced by the Domain III of Cry1Gc杂合体转基因作物对二化螟和亚洲玉米螟的抗性水平显著增强(原文未显示数值)The resistance level of the hybrid transgenic crops to Chilo suppressalis and O. furnacalis was significantly enhanced (detailed data not shown in article)[82]
Cry1Ac:
Cry1F
Cry1Ac Domain III替换为Cry1F的Domain III Domain III of Cry1Ac was replaced by the Domain III of Cry1F杂合体对棉铃虫的致死毒力显著提升(原文未显示数值)The lethal virulence of the hybrid to H. armigera was significantly enhanced (detailed data not shown in article)[95]
Cry3Aa:
Cry1Ab
Cry3Aa Domain III替换为Cry1Ab的Domain III Domain III of Cry3Aa was replaced by the Domain III of Cry1Ab杂合体对玉米根虫的致死毒力显著提升(原文未显示数值)The lethal virulence of the hybrid to D. virgifera was significantly enhanced (detailed data not shown in article)[96]
Cry1Jb:
Cry1Ab
Cry1Jb Domain III替换为Cry1Ab的Domain III Domain III of Cry1Jb was replaced by the Domain III of Cry1Ab杂合体对棉铃虫(LC50为767.62 ng·mL-1)的致死毒力较Cry1Jb(LC50为6039.55 ng·mL-1)提高7.8倍The lethal virulence of the hybrid to H. armigera (LC50 was 767.62 ng·mL-1) was 7.8-fold higher than that of the Cry1Jb (LC50 was 6039.55 ng·mL-1)[97]
Cry1Ac:
Cry2Ac
Cry1Ac Domain III替换为Cry2Ac7的Domain III Domain III of Cry1Ac was replaced by the Domain III of Cry2Ac7杂合体对大豆夜蛾(LC50为10.20 ng·cm-2)的致死毒力较Cry1Ac(LC50为20.31 ng·cm-2)和Cry2Ac(LC50为46.53 ng·cm-2)分别提高2和4.6倍The lethal virulence of the hybrid to Anticarsia gemmatalis (LC50 was 10.20 ng·cm-2) was 2- and 4.6-fold higher than that of the Cry1Ac (LC50 was 20.31 ng·cm-2) and Cry2Ac (LC50 was 46.53 ng·cm-2), respectively[98]
Cry1Ac:
Cry1Ca
Cry1Ac Domain III替换为Cry1Ca的Domain III Domain III of Cry1Ac was replaced by the Domain III Cry1Ca杂合体对草地贪夜蛾(LD50为288 ng·cm-2)的致死毒力较Cry1Ac(LD50>3000 ng·cm-2)和Cry1Ca(LD50>3000 ng·cm-2)均提高超过10倍The lethal virulence of the hybrid to S. frugiperda (LD50 was 288 ng·cm-2) was above 10-fold higher than that of the Cry1Ac (LD50>3000 ng·cm-2) and Cry1Ca (LD50>3000 ng·cm-2)[83]
Cry1Ba:
Cry1Ac
Cry1Ba Domain III替换为Cry1Ac的Domain III Domain III of Cry1Ba was replaced by the Domain III of Cry1Ac杂合体对棉铃虫(LC50为319 ng·cm-2)的致死毒力较Cry1Ba(LC50>6400 ng·cm-2)提高超过20倍The lethal virulence of the hybrid to H. armigera (LC50为319 ng·cm-2) was above 20-fold higher than that of the Cry1Ba (LC50>6400 ng·cm-2)[85]
Cry1Ca:
Cry1Ac
Cry1Ca Domain III替换为Cry1Ac的Domain III Domain III of Cry1Ca was replaced by the Domain III of Cry1Ac杂合体对棉铃虫(LC50为93 ng·cm-2)的致死毒力较Cry1Ca(LC50>16000 ng·cm-2)提高超过172倍The lethal virulence of the hybrid to H. armigera (LC50 was 93 ng·cm-2) was above 172-fold higher than that of the Cry1Ca (LC50>16000 ng·cm-2)[85]
Cry1Ba:
Cry1Ca
Cry1Ba Domain III替换为Cry1Ca的Domain III Domain III of Cry1Ba was replaced by the Domain III of Cry1Ca杂合体对烟草天蛾(LC50为85 ng·cm-2)的致死毒力较Cry1Ca(LC50为155 ng·cm-2)和Cry1Ba (LC50>1000 ng·cm-2)分别提高1.82倍和超过11倍The lethal virulence of the hybrid to M. sexta (LC50 was 85 ng·cm-2) was 1.82-fold and above 11-fold higher than that of the Cry1Ca (LC50 was 155 ng·cm-2) and Cry1Ba (LC50>1000 ng·cm-2), respectively[84]
Cry1Ea:
Cry1Ca
Cry1Ea Domain III(530—587)替换为Cry1Ca的Domain III(533—602)Domain III (530-587) of Cry1Ea was replaced by the Domain III (533-602) of Cry1Ca杂合体对斜纹夜蛾(EC50为5.8 μg·mL-1)的致死毒力较Cry1Ca(EC50为23.9 μg·mL-1)和Cry1Ea(EC50>108 μg·mL-1)分别提高4.12倍和超过18.62倍The lethal virulence of the hybrid to S. litura (EC50 was 5.8 μg·mL-1) was 4.12-fold and above 18.62-fold higher than that of the Cry1Ca (EC50 was 23.9 μg·mL-1) and Cry1Ea (EC50>108 μg·mL-1), respectively[99]
Cry1Gb:
Cry1Ig
Cry1Gb Domain III替换为Cry1Ig的Domain III Domain III of Cry1Gb was replaced by the Domain III of Cry1Ig杂合体(EC50为54.6 ng·cm-2)对Cry1Fa、Vip3Aa和Cry1A.105/Cry2Ab(EC50>3000 ng·cm-2)耐药性草地贪夜蛾具有显著致死毒力The hybrid showed significant lethal virulence (EC50 was 54.6 ng·cm-2) to S. frugiperda(EC50>3000 ng·cm-2), which was resistant to Cry1Fa, Vip3Aa and Cry1A.105/Cry2Ab[100]
Cry1Ia:
Cry1Ba
Cry1Ia Domain III替换为Cry1Ba的Domain III Domain III of Cry1Ia was replaced by the Domain III of Cry1Ba杂合体对马铃薯甲虫(LC50为22.4 μg·mL-1)的致死毒力较Cry1Ia(LC50为33.7 μg·mL-1)和Cry1Ba(LC50为142 μg·mL-1)分别提高1.5和6.3倍The lethal virulence of the hybrid to L. decemlineata (LC50 was 22.4 μg·mL-1) was 1.5- and 6.3-fold higher than that of the Cry1Ia (LC50 was 33.7 μg·mL-1) and Cry1Ba (LC50 was 142 μg·mL-1), respectively[101]
Cry1Aa:
Cry1Ab:
Cry1Ac
Cry1Aa Domain I拼接Cry1Ab Domain II拼接Cry1Ac Domain III Cry1Aa Domain I spliced with Cry1Ab Domain II and Cry1Ac Domain III杂合体对靶标害虫的防控效果显著高于3种母体毒素(原文未显示数值)The control effect of the hybrid to target pests was significantly higher than that of the three original toxins (detailed data not shown in article)[102]
Cry1Ac:
Cry1Ah:
Cry1Ca
Cry1Ac前体肽拼接Cry1Ah Domain I
拼接Cry1Ac Domain II拼接Cry1Ca Domain III Cry1Ac pro-toxin peptide spliced with Cry1Ah Domain I, Cry1Ac Domain II and Cry1Ca Domain III
杂合体杀虫谱更广,特别是显著增强了对部分豆类作物鳞翅目害虫的致死毒力(数据多未细列)The hybrid had a wider insecticidal spectrum, especially significantly enhanced the lethal virulence to some lepidoptera pests of legume crops (detailed data not shown)[13]
Cry1Ab:
Cry1Be:
Cry1Ka
Cry1Ab前体肽拼接Cry1Be Domain I
Domain II and Cry1Ka Domain III
Cry1Ab:
Cry1Ac:
Cry1F
Cry1Ab Domain I拼接Cry1Ac Domain II拼接Cry1F Domain III拼接Cry1Ab C端晶体稳定肽(Domain 4—7)Cry1Ab Domain I spliced with Cry1Ac Domain II, Cry1F Domain III and Cry1Ab C-terminal crystal stable peptide (Domain 4-7)杂合体对欧洲玉米螟(LC50为0.6 ng·cm-2)的致死毒力较Cry1Ab(LC50为6 ng·cm-2)、Cry1Ac (LC50为7 ng·cm-2)和Cry1Fa(LC50为5 ng·cm-2)分别提高10、11.6和8.3倍The lethal virulence of the hybrid to Ostrinia nubilalis (LC50 was 0.6 ng·cm-2) was 10-, 11.6- and 8.3-fold higher than that of the Cry1Ab (LC50 was 6 ng·cm-2), Cry1Ac (LC50 was 7 ng·cm-2) and Cry1Fa (LC50 was 5 ng·cm-2), respectively[87]
Cry1Be:
Cry1Ca:
Cry1Ab
Cry1Be Domain I—II拼接Cry1Ca Domain III拼接Cry1Ab的C端晶体稳定肽(Domain 4—7)Cry1Be Domain I-II spliced with Cry1Ca Domain III and Cry1Ab C-terminal crystal stable peptide (Domain 4-7)杂合体对草地贪夜蛾的致死毒力显著增强,特别对Cry1F/Vip3A抗性品系致死效果更为明显The lethal virulence of the hybrid to S. frugiperda was significantly enhanced, in particular, the lethal effect to Cry1F/Vip3A resistant strain S. frugiperda was more obvious[15]
CryAb:
Vip3Aa
Cry1Ab的N端(650个氨基酸)与Vip3Aa的C端(790个氨基酸)融合形成复合物The N-terminal of Cry1Ab (650 aa) fused with the C-terminal of Vip3Aa (790 aa) to form a complex杂合体转基因水稻对二化螟和稻纵卷叶螟的防治效果显著提升(原文未显示数值)The control effect of the hybrid transgenic rice to C. suppressalis and Cnaphalocrocis medinalis was significantly improved (detailed data not shown in article)[103]
Cry4Ba:
Cry1Ac
Cry4Ba的N端与Cry1Ac的C端融合形成复合物The N-terminal of Cry4Ba fused with the C-terminal of Cry1Ac to form a complex杂合体对尖音库蚊(LC100为2.0 μg·mL-1)的致死毒力较Cry4Ba(LC100>200 μg·mL-1)提高超过100倍。Cry1Ac未见杀虫活性The lethal virulence of the hybrid to C. pipiens (LC100 was 2.0 μg·mL-1) was above 100-fold higher than that of the Cry4Ba (LC100>200 μg·mL-1), and the Cry1Ac had no insecticidal activity[89]
Vip3Ca:
Vip3Aa
Vip3Ca的N端188个氨基酸等量替换为Vip3Aa的N端氨基酸The 188 N-terminal amino acids of Vip3Ca were replaced by the equivalent N-terminal amino acids of Vip3Aa杂合体对草地贪夜蛾(LC50为133.1 ng·cm-2)的致死毒力较Vip3Aa (LC50为162.0 ng·cm-2)和Vip3Ca(LC50>7000 ng·cm-2)分别提高1.22倍和超过52.63倍The lethal virulence of the hybrid to S. frugiperda (LC50 was 133.1 ng·cm-2) was 1.22-fold and above 52.63-fold higher than that of the Vip3Aa (LC50 was 162.0 ng·cm-2) and Vip3Ca (LC50>7000 ng·cm-2), respectively[104]
Vip3Aa:
Cry1Ac
Vip3Aa16 C端拼接Cry1Ac的N端片段(48----609)The C-terminal of Vip3Aa16 was spliced with the N-terminal fragment (48----609) of Cry1Ac杂合体对地中海粉螟的致死率较Vip3Aa提高20%(原文未显示数值)The lethality rate of the hybrid to Ephestia kuehniella was 20% higher than that of Vip3Aa (detailed data not shown in article)[91]
Cry2Aa:
Cry2Ad
Cry2Aa N端(1—157 bp)与Cry2Ad C端(1743—1899 bp)同源重组杂合体(R27/30)The homologous recombinant of Cry2Aa N-terminal (1-157 bp) and Cry2Ad C-terminal (1743-1899 bp) to form a hybrid (R27/30)杂合体(R27/30)对亚洲玉米螟(50 ng·mL-1死亡率为38.33%)的致死毒力较Cry2Aa(50 ng·mL-1死亡率为33.33%)提高近15%。Cry2Ad未见杀虫活性The lethal virulence of the hybrid to O. furnacalis (50 ng·mL-1 with a mortality rate of 38.33%) was 15% higher than that of the Cry2Aa (50 ng·mL-1 with a mortality rate of 33.33%). Cry2Ad had no insecticidal activity[105]
Cry2Aa:
Photorhabdus luminescens
PirB toxin
Cry2A的Domain I替换为PirB toxin基因Domain I of Cry2A was replaced by the gene of PirB toxin杂合体对甜菜夜蛾(IC50为0.74 μg·mL-1)的致死毒力较Cry2Aa(IC50为1.78 μg·mL-1)提高2.41倍The lethal virulence of the hybrid to S. exigua (IC50 was 0.74 μg·mL-1) was 2.41-fold higher than that of the Cry2Aa (IC50 was 1.78 μg·mL-1)[81]
Cry1Ac:
Allium sativum lectin
Cry1Ac Domain III替换为A. sativum lectin基因Domain III of Cry1Ac was replaced by the gene of A. sativum lectin杂合体对棉红铃虫(LC100为0.025 μg·g-1)和棉铃虫(LC100为0.5 μg·g-1)的致死毒力分别较Cry1Ac(LC100分别为0.2和15 μg·g-1)提高8和30倍The lethal virulence of the hybrid to P. gossypiella (LC100 was 0.025 μg·g-1) and H. armigera (LC100 was 0.5 μg·g-1) was 8- and 30-fold higher than that of the Cry1Ac (LC100 was 0.2 and 15 μg·g-1), respectively[86]
Cry1Ac:
Ricin B-chain lectin
Cry1Ac的N端与Ricin B-chain lectin基因融合形成杂合体The N-terminal of Cry1Ac fused with the gene of Ricin B-chain lectin to form a complex杂合体对二化螟(致死率90%)的致死毒力较Cry1Ac(致死率30%)提高3倍;杂合体(致死率>90%)对Cry1Ac耐药性棉贪夜蛾的致死毒力较Cry1Ac(致死率<20%)提高超过4.5倍The lethal virulence of the hybrid to C. suppressalis (with a lethality rate of 90%) was 3-fold higher than that of the Cry1Ac (with a lethality rate of 30%), and to Cry1Ac-resistant S. littoralis (with a lethality rate of >90%) was above 4.5-fold higher than that of the Cry1Ac (with a lethality rate of <20%)[90]
Cry3Aa:
Anoplophora glabripennis midgut Cx-cellulase binding peptide (PCx)
Cry3Aa的N端与PCx基因融合形成杂合体The N-terminal of Cry3Aa fused with the gene of PCx to form a complex杂合体对光肩星天牛的致死率(>33%)较Cry3Aa(<13%)提高超过2.5倍。PCx未见杀虫活性The lethality rate of hybrid to A. glabripennis (>33%) was above 2.5-fold higher than that of the Cry3Aa (<13%), and the PCx had no insecticidal activity[92]
Cry1B:
maize proteinase inhibitor (MPI)
potato carboxypeptidase inhibitor (PCI)
MPI拼接Cry1B前体蛋白拼接PCI形成杂合体(MPI-C-PCI) MPI spliced with Cry1B precursor protein and PCI to form a hybrid杂合体转基因水稻对二化螟的防控效果显著增强,供试虫体体重较对照减少39.6%—64.6% The control effect of hybrid transgenic rice to C. suppressalis was significantly enhanced, and the body weight of the tested insects was reduced by 39.6%-64.6% compared with that of the control[93]
表3 基于Bt毒素的结构域杂合体理性设计实例
本文的其它图/表