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Showing content from https://link.springer.com/doi/10.1007/s00299-003-0698-2 below:

Chimeric RNA/DNA oligonucleotide-directed gene targeting in rice

Abstract

Site-specific mutagenesis in a rice genome was obtained by introducing chimeric RNA/DNA oligonucleotides (COs) by means of particle bombardment. Three COs were designed to target the independent codons for Pro-171, Trp-548 and Ser-627 of the endogenous rice acetolactate synthase (ALS) gene so it would confer resistance to ALS-inhibiting herbicides. Sequencing of the ALS gene of herbicide-resistant plants demonstrated that the ALS sequence was modified in a site-specific fashion. The efficiency of gene conversion mediated by COs was estimated to be 1×10-4. These results demonstrate that CO-directed gene targeting is feasible in rice.

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Similar content being viewed by others Explore related subjectsDiscover the latest articles and news from researchers in related subjects, suggested using machine learning. Abbreviations
ALS :

Acetolactate synthase

BS :

Bispyribac-sodium

Cf :

Chlorsulfuron

CO :

Chimeric RNA/DNA oligonucleotide

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Acknowledgements

We are grateful to the Kumiai Chemical Industry Co, Shizuoka, Japan for the gifts of BS and valuable comments.

Author information Authors and Affiliations
  1. Laboratory of Plant Breeding and Genetics, Graduate School of Agricultural Science, Tohoku University, Aoba-ku, 981-8555, Sendai, Japan

    A. Okuzaki & K. Toriyama

Authors
  1. A. Okuzaki
  2. K. Toriyama
Corresponding author

Correspondence to K. Toriyama.

Additional information

Communicated by H. Uchimiya

About this article Cite this article

Okuzaki, A., Toriyama, K. Chimeric RNA/DNA oligonucleotide-directed gene targeting in rice. Plant Cell Rep 22, 509–512 (2004). https://doi.org/10.1007/s00299-003-0698-2

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