Rowan:Argentina

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Beth A. Rowan
Research

Click on the following topics to learn more.
Meiotic Recombination       
Dobzhansky-Muller Incompatibilities       
Arabidopsis in Argentina       
Working in Weigel World       


Arabidopsis in Argentina

Introduction

Arabidopsis thaliana is native to Europe and Asia, but there are several populations that have been introduced around the world. Most of these introduced populations are found in North America and were brought there in the 19th century. There are very few populations of Arabidopsis in the Southern Hemisphere. Populations of Arabidopsis thaliana in the Patagonia region of Argentina were originally found in the 1960s and new collections were made in recent years.

Questions

  • How diverse are the introduced populations in Patagonia?
  • Are present-day populations genetically differentiated from the 1960's populations?
  • Where did the introduced plants in Patagonia come from?
  • What role does genetic diversity play in adapation to a new environment?


I am currently investigating the first three of these questions by comparing whole-genome sequencing data of plants from present-day populations to a herbarium specimen from 1967 and to thousands of populations collected worldwide.

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