Abstract
Telomere length is regulated around an equilibrium set point. Telomeres shorten during replication and are lengthened by telomerase. Disruption of the length equilibrium leads to disease; thus, it is important to understand the mechanisms that regulate length at the molecular level. The prevailing protein-counting model for regulating telomerase access to elongate the telomere does not explain accumulating evidence of a role of DNA replication in telomere length regulation. Here I present an alternative model: the replication fork model that can explain how passage of a replication fork and regulation of origin firing affect telomere length.
Funder
National Institutes of Health
Allegheny Health Network Cancer Research Fund
Publisher
Cold Spring Harbor Laboratory
Subject
Developmental Biology,Genetics
Cited by
65 articles.
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