Tang, J., Wang, H., Feng, Y., Li, S., Liu, R., Zhang, Z., Chen, S., Li, S., Xie, X., Li, H., Zhu, Z., Liu, Y., Xie, Y., Chen, L. (2026). Alternatively spliced killer–protector system confers S19-mediated hybrid male sterility in rice. Nature Communications. https://doi.org/10.1038/s41467-026-74581-0