Shulou(Shulou.com)06/01 Report--

This article mainly introduces Perl how to extract the gene sequence of the specified range of chromosome sequence, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, let the editor take you to understand it.

Perl extracts the gene sequence at the specified location and uses the substr function, usage:

$gene = substr ($fasta,$start-1, $end-$start+1)

Where $fasta is the total sequence; $start is the start of the extraction sequence, and since the Perl string is counted from 0, minus one is the end of the extraction sequence; and $gene is the sequence at the specified location of the extraction.

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