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Pest resistance is often associated with fitness costs (e.
g.
, developmental delay, reduced fertility, etc.
).
However, some diamondback moth populations do not have any fitness cost to Bt insecticide resistance, and how diamondback moths coordinate resistance and fitness cost has always been an urgent scientific mystery
.
=
g.
, developmental delay, reduced fertility, etc.
).
However, some diamondback moth populations do not have any fitness cost to Bt insecticide resistance, and how diamondback moths coordinate resistance and fitness cost has always been an urgent scientific mystery
.
=
Recently, Nature Communications published our Zhang Youjun team paper online "A single transcription factor facilitates an insect host combating Bacillus thuringiensis infection while maintaining fitness"
。 In this result, it was found that a single transcription factor FTZ-F1 can simultaneously regulate multiple diamondback moth Bt insecticidal protein receptor genes and non-receptor homologous genes, so that diamondback moths can develop high resistance to Bt insecticidal protein while still maintaining their normal growth and development without any fitness cost
.
The diamondback moth develops perfect high resistance to the evolution of Bt insecticidal protein
through this subtle "seesaw" mode of "four or two pounds".
The results have important theoretical and practical significance
for the monitoring and early warning of Bt resistance in the field of pests and the research and development of new Bt insecticide/trans-Bt gene insect-resistant crops.
。 In this result, it was found that a single transcription factor FTZ-F1 can simultaneously regulate multiple diamondback moth Bt insecticidal protein receptor genes and non-receptor homologous genes, so that diamondback moths can develop high resistance to Bt insecticidal protein while still maintaining their normal growth and development without any fitness cost
.
The diamondback moth develops perfect high resistance to the evolution of Bt insecticidal protein
through this subtle "seesaw" mode of "four or two pounds".
The results have important theoretical and practical significance
for the monitoring and early warning of Bt resistance in the field of pests and the research and development of new Bt insecticide/trans-Bt gene insect-resistant crops.
Guo Zhaojiang is the first author of this paper, and postdoctoral Guo Le, doctoral students Qin Jianying, Ye Fan and postdoctoral fellows Sun Dan are the co-first authors
of this paper.
Researcher Guo Zhaojiang and researcher Zhang Youjun are the corresponding authors
of this paper.
The research was funded
by the National Fund Innovation Research Group and the National Excellent Youth Project.
of this paper.
Researcher Guo Zhaojiang and researcher Zhang Youjun are the corresponding authors
of this paper.
The research was funded
by the National Fund Innovation Research Group and the National Excellent Youth Project.
Original link:
