Heterochromatin replication goes hand in hand with telomere protection.
 

Mendez-Bermudez A, Giraud-Panis MJ, Ye J, Gilson E.

Nat Struct Mol Biol. 2020 Apr;27(4):313-318. doi: 10.1038/s41594-020-0400-1. Epub 2020 Mar 30. PMID: 32231287 Review.