This research examined how genes control the development of the valuable medicinal fungus Ophiocordyceps sinensis as it grows from simple fungal threads into its mature form. Understanding these genetic mechanisms could help scientists cultivate this endangered species instead of harvesting it from the wild. Key impacts on everyday life: – Could lead to sustainable production of this important traditional medicine – May reduce pressure on wild populations in Tibet – Could make the medicine more affordable and accessible – Provides insights into fungal development that could help cultivate other medicinal mushrooms – Demonstrates how modern genetic tools can help preserve traditional medicines