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Copyrights © 2008 , Sevas Educational Society, All rights Reserved |
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How effective is T-DNA insertional mutagenesis in Arabidopsis? |
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More Articles
Special Contributions
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Yi Hong Wang * |
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Penn State University Behrend College School of Science, 4205 College Dr., Erie, PA 16563, USA |
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Received: 2 June 2008 / Received in revised form: 13 June 2008, Accepted: 20 June 2008, Published online: 18 August 2008 |
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Abstract |
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To evaluate the effectiveness of T-DNA insertion in knocking out a gene, 1084 published Arabidopsis thaliana insertion mutants representing 755 genes in 648 publications were reviewed. Insertion in the protein-coding region of a gene generates a knockout at least 90% of the time or 25% of the time if it is before the start codon which also produces a knockdown 67% of the time. Insertion after the stop codon had no effect on transcription of the upstream gene 17% of the time compared to 8% in insertion before the start codon. T-DNA insertion can also cause deletion and translocation. |
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| Keywords:Arabidopsis thaliana, deletion, expression, knockout, T-DNA insertion, translocation |
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| *Tel: 001 814 898 6276, Fax: 001 814 898 6213 |
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| Volume 1, Issue 1, August 2008, Page No. 11-20 |
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