Arabidopsis thaliana

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Arabidopsis thaliana (common Thale cress) is a small weed which has been chosen as the primary model organism for studying plant molecular genetics. A. thaliana was chosen as a model organism due to; the large supply of the plants available, fully sequenced genome (roughly 140 million nucleotide pairs), able to produce thousands of offspring per plant after 8-10 weeks and being able to generate mutants with the use of mutagenic chemicals (simple genetic manipulation)[1]

In addition, A. thaliana can be dipped into a floral dip of Agrobacterium tumefaciens (which contains the Ti plasmid) in order to produce transgenic seeds[2].


  1. Alberts B., Johnson A., Lewis J., Raff M., Roberts K. and Walter P. (2008) Molecular Biology of the cell, 5th edition, New York: Garland Science page 36
  2. Ghedira R, Buck SD, Nolf J, Depicker A , The Efficiency of Arabidopsis thaliana Floral Dip Transformation is Determined Not Only by the Agrobacterium Strain Used but Also by the Physiology and the Ecotype of the Dipped Plant, Molecular Plant-Microbe Interactions Journal,Vol.26 No.7 2013
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