It is known, however, that plants and animals have analogous mechanism for small RNA-guided heterochromatin formation, and it is believed that the mechanisms described above for S. pombe are highly conserved and play some role in heterochromatin formation in mammals as well.
It is understood, however, that plants and animals have analogous systems for small RNA-guided heterochromatin formation, and it is believed that the mechanisms described above for S. pombe are highly conserved and contribute to some extent to heterochromatin formation in mammals as well.