- Mutations in the MRE11, RAD50, XRS2, and MRE2 genes alter chromatin configuration at meiotic DNA double-stranded break sites in premeiotic and meiotic cells. Ohta, K., Nicolas, A., Furuse, M., Nabetani, A., Ogawa, H., Shibata, T. Proc. Natl. Acad. Sci. U.S.A. (1998)