They take the donor ileum, which is filled with microbes from a donor and they have a recipient who might have a problem with their microbial community, say Crohn's disease, and they sterilized the donor ileum.
Tomaron el íleon, que está lleno de microbios del donador y tenían un receptor que podría tener un problema con su comunidad microbiana, digamos enfermedad de Crohn, y esterilizaban el íleon del donador.