Nguyen Thi Thanh Loi, Duong Thu Huong, Nguyen Viet Cuong, Ngo Cao Cuong and Nguyen Thi Hong Hanh* 2026. Endophytic fungus Fusarium sp. MCXR isolated from the fruit pulp of Annona muricata L. and its cytotoxic effect on MCF-7 breast cancer cells. Vietnam Journal of Science, Technology and Engineering. (Nov. 2026). DOI:https://doi.org/10.31276/VJSTE.2026.0025.