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Cry1Fa毒素对非目标植物Myzus persicae的跨代影响和机制

Liang Jin¹, Binwu Zhang², Peng Wang³

¹Research Base of Zhengzhou University, National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang, Henan 455000, China; Fujian Provincial Key Laboratory of Biochemical Technology (Huaqiao University), Department of Bioengineering & Biotechnology, College of Chemical Engineering, Huaqiao University, Xiamen 361021, China.

Ecotoxicology and environmental safety

|September 21, 2025

概括

桃花 (Myzus persicae) 对Cry1Fa毒素没有直接的毒性. 然而,第一代人表现出增长的增强,这表明了催眠效应,而后代人没有显著的变化.

科学领域:

昆虫学昆虫学是一门学科.
毒理学毒理学毒理学
分子生物学分子生物学

背景情况:

有广泛的研究存在于Bacillus thuringiensisCry毒素对目标昆虫的影响.
有限的研究已经探索了Cry毒素对非目标虫及其机制的影响.
了解这些影响对于综合性害虫防治战略至关重要.

研究的目的:

研究Cry1Fa毒素对非目标桃花 Myzus persicae 的作用和机制.
评估Cry1Fa毒素暴露对虫种群的跨代影响.
为了阐明虫对Cry1Fa毒素的反应所涉及的分子途径.

主要方法:

使用Cry1Fa毒素对Myzus persicae进行毒性评估.
转录组测序以识别毒素结合蛋白和受影响的通路.
在三个连续世代 (F0,F1,F2) 进行生命表分析.

主要成果:

在母 (F0) 代中,Myzus persicae对Cry1Fa毒素表现出不敏感.
第一个子代 (F1) 呈现出一种抑制效应,生命表参数 (r, λ, lx, ex) 显著增加.
在F1中,核糖体和氧化酸化途径的升级与增长相关;F2生成没有显著的影响.

结论:

Cry1Fa毒素不会直接伤害桃花虫,但可以在第一个子代中诱导跨代的霍梅西斯.
上调的分子通路,包括核糖体和氧化酸化,可能会调解观察到的抑制效应.
结果提供了对控制害虫的Crytoxin评估的见解,考虑了潜在的非目标效应和跨代影响.

关键词:

细菌 thuringiensis 这种疾病.这是一种Cry1Fa毒素.这种植物是Myzus persicae.没有目标的非目标转录组转录组就是一个转录组.

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