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Related Experiment Video

Updated: May 8, 2026

Translating Ribosome Affinity Purification (TRAP) to Investigate Arabidopsis thaliana Root Development at a Cell Type-Specific Scale
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Complex genetic effects on early vegetative development shape resource allocation differences between Arabidopsis

David L Remington1, Päivi H Leinonen, Johanna Leppälä

  • 1Department of Biology, University of North Carolina, Greensboro, North Carolina 27402.

Genetics
|August 28, 2013
PubMed
Summary

Resource allocation trade-offs in perennial plants are genetically controlled, influencing life history evolution. These genetic factors impact growth and reproduction, contributing to local adaptation independently of flowering time.

Keywords:
pleiotropyquantitative trait locusresource allocationstructural equation modeltrait network

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Area of Science:

  • Evolutionary Biology
  • Plant Genetics
  • Life History Theory

Background:

  • Resource allocation trade-offs are crucial for life history evolution but their genetic and functional basis is poorly understood.
  • Arabidopsis lyrata, a perennial plant, exhibits significant population divergence in resource allocation, making it a model for studying these trade-offs.

Purpose of the Study:

  • To investigate the genetic and functional basis of variation in resource allocation in Arabidopsis lyrata.
  • To determine how quantitative trait loci (QTL) for resource allocation contribute to local adaptation.

Main Methods:

  • Reciprocal transplant experiment using four A. lyrata populations.
  • Analysis of F2 progeny from a cross between divergent North Carolina and Norway parents.
  • Quantitative trait loci (QTL) mapping and structural equation modeling.

Main Results:

  • Local alleles at QTL in North Carolina increased reproduction at the expense of vegetative growth, independent of flowering time.
  • QTL effects on early vegetative growth influenced later development and reproductive output.
  • North Carolina alleles in Norway reduced survival and reproduction, but not via resource allocation trade-offs.

Conclusions:

  • Resource allocation in perennial plants involves adaptive mechanisms separate from flowering time.
  • QTL for resource allocation contribute to local adaptation through effects on developmental timing and environmental interactions, not simple reproductive costs.