Plant telomere biology: The green solution to the end-replication problem

Eugene V. Shakirov, Julian J.L. Chen, Dorothy E. Shippen

Research output: Contribution to journalReview articlepeer-review

13 Scopus citations

Abstract

Telomere maintenance is a fundamental cellular process conserved across all eukaryotic lineages. Although plants and animals diverged over 1.5 billion years ago, lessons learned from plants continue to push the boundaries of science, revealing detailed molecular mechanisms in telomere biology with broad implications for human health, aging biology, and stress responses. Recent studies of plant telomeres have unveiled unexpected divergence in telomere sequence and architecture, and the proteins that engage telomeric DNA and telomerase. The discovery of telomerase RNA components in the plant kingdom and some algae groups revealed new insight into the divergent evolution and the universal core of telomerase across major eukaryotic kingdoms. In addition, resources cataloging the abundant natural variation in Arabidopsis thaliana, maize (Zea mays), and other plants are providing unparalleled opportunities to understand the genetic networks that govern telomere length polymorphism and, as a result, are uncovering unanticipated crosstalk between telomeres, environmental factors, organismal fitness, and plant physiology. Here we recap current advances in plant telomere biology and put this field in perspective relative to telomere and telomerase research in other eukaryotic lineages.

Original languageEnglish (US)
Pages (from-to)2492-2504
Number of pages13
JournalPlant Cell
Volume34
Issue number7
DOIs
StatePublished - Jul 2022

ASJC Scopus subject areas

  • Plant Science

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