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Efficacy of Using a Combination Microplate Washer for Vacuum-Based DNA Sequencing Reaction Cleanup下載
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February 08, 2012
Authors: Wendy Goodrich and Jason Greene, BioTek Instruments, Inc., Winooski, Vermont, USA; Mary Louise Shane, DNA Analysis Facility at the Vermont Cancer Center, Burlington, Vermont, USA
The ability to determine the specific pattern of base pairs in DNA molecules is an indispensable part of contemporary molecular biology. Over the past 10-12 years the evolution of market leading dye terminator methods and automated capillary electrophoresis instrumentation has largely standardized the procedure for DNA sequencing, quickly making it more accessible, less resource intensive, and easier to perform at many different throughput levels. A critical component of this genomic workflow is the sequencing cleanup procedure, where contaminating artifacts of the sequencing reaction are removed prior to capillary electrophoresis. There are currently a number of viable DNA sequencing cleanup methods available using either filtration, precipitation, or sequestering. Each method has its own costs and benefits and is a proven way of purifying reaction samples. In collaboration with a comprehensive DNA Analysis Core Facility that utilizes state-of-the-art sequencing chemistires and technology, a microplate washer fitted with an integrated vacuum filtration module was used to perform DNA sequencing reaction cleanup. Results were substantiated against a gel filtration method currently used by the collaborator. Evidence provided by this demonstration support the efficacy of the microplate washer demonstrated here to contribute to the genomic workflow typical of many molecular biology laboratories and core facilities.