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Site-Directed Mutagenesis with LA-PCR™ Technology

  • Atsushi Shimada
  • Osamu Takeda
Protocol
  • 100 Downloads
Part of the Springer Protocols Handbooks book series (SPH)

Abstract

Protocols for site-directed mutagenesis are widely used in molecular biology and include many polymerase chain reaction (PCR)-based methods that have been developed in order to achieve efficient mutagenesis of a target DNA sequence (1, 2, 3, 4, 5, 6, 7, 8). This chapter describes an efficient and economic PCR-based site-directed mutagenesis method, which is designed to introduce a series of mutations into long DNA cloned in pUC vectors (pUC 18, 19, 118, 119), pBluescript® vectors (Stratagene, Cambridge, UK) (pBluescript® II SK(±), KS (±)) and pGEM® vectors (Promega, Madison, WI) (pGEM®-3Zf,4Z) by adding the advantage of LA-PCR technology™ (TaKaRa Shuzo Co., Kyoto, Japan). The protocol uses a combination of a primer designed for introducing a mutation at the target sequence, with primers that may be reused for each mutagenesis reaction (Fig. 1). By using this method, a series of site-directed mutations may be undertaken that only require a single primer for each desired change, and furthermore, no reiterative transformation steps are necessary (9). As based on the Long and Accurate (LA)-PCR-technology with the improved enzyme, TaKaRa LA Taq, this method provides the high fidelity and introduction of site-directed mutation into longer DNA can be achieved.

Keywords

Polymerase Chain Reaction Polymerase Chain Reaction Product Polymerase Chain Reaction Reaction Polymerase Chain Reaction Buffer Filter Cartridge 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Humana Press Inc., Totowa, NJ 2000

Authors and Affiliations

  • Atsushi Shimada
    • 1
  • Osamu Takeda
    • 2
  1. 1.Shuzo co., Ltd.Otsu, ShigaJapan
  2. 2.Shuzo Co. Ltd.KusatsuJapan

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