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Somatic Evolution of Stem Cell Mutations in Long-Lived Plants
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Journal Article
Somatic Evolution of Stem Cell Mutations in Long-Lived Plants
2025
Overview
Abstract
Long-lived perennial plants accumulate numerous somatic mutations with age. Mutations originating in stem cells at the shoot apex often become fixed in large sectors of the plant body due to cell lineage drift during repeated branching. Understanding the somatic evolution of such mutations requires knowledge of the effective stem cell population size, the cellular bottleneck strength during branch initiation, and the mutation rate. Here, we show that these parameters can be estimated directly from cell-layer-enriched DNA sequencing data, thus filling a gap where no other in vivo method exists.
Publisher
Oxford University Press
