Genome-Wide Insertional Mutagenesis of Arabidopsis thaliana

Author:

Alonso José M.123,Stepanova Anna N.123,Leisse Thomas J.123,Kim Christopher J.123,Chen Huaming123,Shinn Paul123,Stevenson Denise K.123,Zimmerman Justin123,Barajas Pascual123,Cheuk Rosa123,Gadrinab Carmelita123,Heller Collen123,Jeske Albert123,Koesema Eric123,Meyers Cristina C.123,Parker Holly123,Prednis Lance123,Ansari Yasser123,Choy Nathan123,Deen Hashim123,Geralt Michael123,Hazari Nisha123,Hom Emily123,Karnes Meagan123,Mulholland Celene123,Ndubaku Ral123,Schmidt Ian123,Guzman Plinio123,Aguilar-Henonin Laura123,Schmid Markus123,Weigel Detlef123,Carter David E.123,Marchand Trudy123,Risseeuw Eddy123,Brogden Debra123,Zeko Albana123,Crosby William L.123,Berry Charles C.123,Ecker Joseph R.123

Affiliation:

1. Genomic Analysis Laboratory, The Salk Institute for Biological Studies, La Jolla, CA 92037, USA.

2. National Research Council Plant Biotechnology Institute, Saskatoon, SK, S7N 0W9 Canada.

3. Department of Family/Preventive Medicine, University of California, San Diego, CA 92093, USA.

Abstract

Over 225,000 independent Agrobacterium transferred DNA (T-DNA) insertion events in the genome of the reference plant Arabidopsis thaliana have been created that represent near saturation of the gene space. The precise locations were determined for more than 88,000 T-DNA insertions, which resulted in the identification of mutations in more than 21,700 of the ∼29,454 predicted Arabidopsis genes. Genome-wide analysis of the distribution of integration events revealed the existence of a large integration site bias at both the chromosome and gene levels. Insertion mutations were identified in genes that are regulated in response to the plant hormone ethylene.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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