Gene-by-Environment Interactions in Arabidopsis thaliana in Response to Precipitation Extremes

Level of Education of Students Involved

Undergraduate

Faculty Sponsor

Dr. Jane Kenney-Hunt

College

Arts and Sciences

Discipline(s)

Genetics, Biology

Presentation Type

Poster Presentation

Symposium Date

Spring 4-27-2023

Abstract

Precipitation patterns in the Midwest are becoming more extreme due to climate change. Spring floods and summer droughts are predicted to increase in frequency. This rapid change in precipitation may challenge plant growth throughout the region. We simulated the effects of these extremes in precipitation on 100 Arabidopsis thaliana recombinant inbred lines (RIL) to investigate gene-by-environment interactions on five growth and development phenotypes. We calculated the genetic variance, correlation, and heritability of the phenotypes, and will perform a QTL analysis to determine candidate genes that may play a role in plant success in this environment. The long-term goal of the project is to identify genes with an effect on plant fitness in the Midwestern environment as it is impacted by climate change.

Biographical Information about Author(s)

Marilyn Ives, 2023. Biology and Chemistry

Simran Kaur, 2024. Biology and Chemistry

Abby Boyle, 2025. Biology

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