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- Title
Genome size scaling through phenotype space.
- Authors
Knight, Charles A; Beaulieu, Jeremy M
- Abstract
Early observations that genome size was positively correlated with cell size formed the basis of hypothesized consequences of genome size variation at higher phenotypic scales. This scaling was supported by several studies showing a positive relationship between genome size and seed mass, and various metrics of growth and leaf morphology. However, many of these studies were undertaken with limited species sets, and often performed within a single genus. Here we seek to generalize the relationship between genome size and the phenotype by examining eight phenotypic traits using large cross-species comparisons involving diverse assemblages of angiosperm and gymnosperm species. These analyses are presented in order of increasing scale (roughly equating to the number of cells required to produce a particular phenotypic trait), following the order of: cell size (guard cell and epidermal), stomatal density, seed mass, leaf mass per unit area (LMA), wood density, photosynthetic rate and finally maximum plant height.
- Publication
Annals of botany, 2008, Vol 101, Issue 6, p759
- ISSN
1095-8290
- Publication type
Journal Article
- DOI
10.1093/aob/mcm321