Microarray and EST database estimates of mRNA expression levels differ: The protein length versus expression curve forC. elegans |
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Authors: | Enrique T Munoz Leonard D Bogarad Michael W Deem |
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Institution: | (1) Department of Bioengineering, Rice University, 77005-1892 Houston, TX, USA;(2) Department of Physics & Astronomy, Rice University, 77005-1892 Houston, TX, USA |
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Abstract: | Background Various methods for estimating protein expression levels are known. The level of correlation between these methods is only
fair, and systematic biases in each of the methods cannot be ruled out. We here investigate systematic biases in the estimation
of gene expression rates from microarray data and from abundance within the Expressed Sequence Tag (EST) database. We suggest
that length is a significant factor in biases to measured gene expression rates. |
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Keywords: | |
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