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In China, citrus is far more than just a fruit on the table. It is a vital pillar of agriculture,
yielding
10,000 tons
each year.
accounting for
over 1%
of global production.
More than 38% of this yield comes from Guangdong and Guangxi, regions nourished by abundant sunshine and rainfall in South China.
Considering aphids often hide beneath leaves, making early detection difficult, we engineered Bacillus subtilis to specifically recognize sucrose signals in aphid honeydew. Upon detecting honeydew presence, it immediately generates a remotely monitorable gas alert, enabling farmers to take action during the initial stages of aphid population development.
Through trunk injection, we deliver dsRNA encapsulated in MS2 virus-like particles (VLPs) directly into the citrus vascular system. This specifically silences key aphid genes, achieving targeted control.
The trunk injection method ensures direct delivery to the target site, minimizing environmental contamination and enhancing utilization efficiency.
While preserving the natural pathogenicity of Beauveria bassiana, we have endowed it with new capabilities: expressing RNAi molecules targeted at aphids. This transforms each engineered fungus into a miniature RNA factory, simultaneously infecting aphids and executing genetic silencing attacks from within.
Join us in safeguarding the golden hope of this land!
