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What does the gray background in the EST sequence in EST Reports mean?

April 26, 2017background EST Gray mean reports sequence

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What does the gray background in the EST sequence in EST Reports mean?

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EST report shows the entire sequence of the EST, with the trimmed regions on a gray background (this includes polyA/T trimming, vector and adaptor sequences, and low-quality sequence). The trimming is done in the EST cleaning process for quality control purposes. (see Question #2) Only the region over white background (cleaned region) actually enters the gene index build process.