Differential Expression Analysis using an Unlabelled Approach and a New Software for Relative Quantification of LC-MS Data
Poster Oct 06, 2005
John Flensburg, Carolina Johansson and Lars Sundstrom
Introduction
DeCyder™ MS Differential Analysis Software (DeCyder MS) is a new tool for visualization, detection, identification and label-free relative quantification of LC-MS and LC-MS/MS data. To Assess its quantification abilities, in a complex background, total soluble trypsin digested proteins extracts from strains of E.coli expressing varying levels of dihydrofolate reducatase (DHFR) were analysed using nanoLC-MS/MS. Full scan MS spectra were matched and quantified using DeCyder MS. A second experiment was performed on a bacterial strain containing an inducible integrase.This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License
OTHER POSTERS
When there is a need to quickly analyze samples using a number of different PCR assays, it is likely that optimal conditions for each assay will not be the same. First, different assays often will require different annealing temperatures for their primers. In addition, amplicons may be designed to be of different lengths and therefore require varying durations of the extension step.
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