This research analyzed the genetic material found in the mitochondria (cellular powerhouses) of a fungus that causes cobweb disease in cultivated mushrooms. The study revealed new insights into how genetic elements move and arrange themselves in fungi, which could help develop better methods for identifying different strains of this pathogen. Impact on everyday life: • Better identification of mushroom pathogens could lead to more effective disease control in mushroom farms • Improved mushroom crop protection could result in higher quality mushrooms for consumers • Understanding fungal genetics helps advance our knowledge of how organisms evolve and adapt • This research could lead to better methods for protecting food security in mushroom cultivation • The findings contribute to developing more targeted and efficient pest management strategies for mushroom growers