Plants as epigenetic mosaics: harnessing variability to thrive in a variable world

Wetzel, William C.

doi:10.1111/nph.17476

Cited by 1 publication

(1 citation statement)

References 14 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Branching is dichasial and generally conforms to Leeuwenberg's development model (a sympodial succession of equivalent sympodial units, each of which is orthotropic and has determinate growth; Hallé, 1986; Hallé et al, 1978). Crowns of adult plants are made up of morphological units consisting of distinct leaf clusters borne by short stems, many of which produce one terminal inflorescence in early summer (see Alonso et al, 2018: Figure 1; and Wetzel, 2021: Figure 2; for drawings and photographs). Each of these clusters of even‐aged leaves borne by young (≤3 year), short terminal branchlets will be hereafter termed a ‘module’ following Hallé's (1986) definition (‘the leafy axis in which the entire sequence of aerial differentiation is carried out, from the initiation of the meristem that builds up the axis to the sexual differentiation of its apex’).…”

Section: Methodsmentioning

confidence: 99%

Ecological significance of intraplant variation: Epigenetic mosaicism in Lavandula latifolia plants predicts extant and transgenerational variability of fecundity‐related traits

et al. 2022

View full text Add to dashboard Cite

1. Intraindividual epigenetic mosaicism is probably widespread among long-lived plants, yet its ecological significance as a potential source of variation in fitnessrelated traits in plant populations remains virtually unexplored. This paper examines the hypothesis that extant epigenetic variation within plants can have both current and transgenerational fecundity correlates which could eventually translate into fitness variations among different parts of the same individual and their respective offspring.2. Five modules, each consisting of a terminal branchlet bearing one inflorescence and its subtending leaves, were collected from each of 15 wild-growing Lavandula latifolia (Lamiaceae) plants. They were characterized epigenotypically by the methylation state of methylation-sensitive amplified fragment length polymorphism (MS-AFLP) markers, and phenotypically by fecundity-related traits (inflorescence length, and size, number and mass of seeds produced). Seeds from the different modules were sown in the greenhouse and resulting 'subprogenies' characterized phenotypically (germination probability and time to emergence, seedling size, susceptibility to fungal disease).3. All plants sampled were internally heterogeneous with regard to the methylation state of 1%-13% of MS-AFLP markers. Predictable relationships were found between epigenotypic and phenotypic variation across the extant modules of individual L. latifolia shrubs. Phenotypes of subprogenies from different modules of the same plant grown under homogeneous conditions in the greenhouse were predictably related to the epigenotype of the maternal module which produced the seeds. Synthesis.The variable epigenotypes of different modules in the same plant not only predicted extant phenotypic variation among the modules themselves, but also phenotypic differences among the subprogenies produced by different modules. These relationships linking intraplant epigenotypic mosaicism with both extant and transgenerational heterogeneity in fitness-related traits

show abstract

Section: Methodsmentioning

confidence: 99%

Ecological significance of intraplant variation: Epigenetic mosaicism in Lavandula latifolia plants predicts extant and transgenerational variability of fecundity‐related traits

et al. 2022

View full text Add to dashboard Cite

show abstract

Plants as epigenetic mosaics: harnessing variability to thrive in a variable world

Abstract: This article is a Commentary on Herrera et al. (2021), 231: 2065–2076.

Cited by 1 publication

References 14 publications

Ecological significance of intraplant variation: Epigenetic mosaicism in Lavandula latifolia plants predicts extant and transgenerational variability of fecundity‐related traits

Ecological significance of intraplant variation: Epigenetic mosaicism in Lavandula latifolia plants predicts extant and transgenerational variability of fecundity‐related traits

Contact Info

Product

Resources

About