Phomopsischalins A–C, polycyclic-fused cytochalasins from the endophytic fungus Phomopsis sp. shj2 and their abilities to induce lysosomal function

Phomopsischalins A−C (1–3), two classes of polycyclic-fused cytochalasins, were discovered from Phomopsis sp. shj2. Compound 2 is the first example of a cytochalasin accelerating lysosome function in a transcription factor EB-independent manner.