TY - RPRT TI - The number of immune defense and counter-defense systems sustained in the arms race between procaryotes and viruses AU - Ispolatov, Y. AU - Lekontseva, A. AU - Severinov, K. PY - 2025 DO - 10.1101/2025.02.02.636159 UR - https://www.biorxiv.org/content/10.1101/2025.02.02.636159v1 ID - 10.1101/2025.02.02.636159 ER -