Gold nanoparticle-mediated metabolic engineering in Trichoderma longibrachiatum MD33 unveils a hybrid terpenoid-alkaloid pathway for enhanced dendrobine biosynthesis

CH-AuNPs act as precision tools to upregulate dendrobine biosynthesis in T. longibrachiatum MD33, resolving the hybrid pathway and establishing this fungus as a sustainable production platform for dendrobine. The dose-dependent response highlights the dual role of nanoparticle-mediated engineering in metabolic enhancement and stress induction. This integration of nanotechnology and multi-omics bridges the critical gaps in fungal biotechnology, enabling scalable and eco-friendly alkaloid synthesis. Future applications include CRISPR-AuNP genome editing and bioreactor optimization, which will advance pharmaceutical and environmental biotechnologies.