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How to concatenate FASTA sequences using Perl?

in Bioinformatics Programming/Perl by

Here is a simple Perl script to concatenate multiline FASTA sequences into a single line. A similar Perl script has been provided in one of the previous articles (A Perl script to convert multiline FASTA sequences into a single line). That script is useful for the FASTA files¬†consisting of sequences split into a particular number of residues per line. The script provided in this article can also be used for large files consisting of multiple FASTA sequences split into the indefinite number of residues per line. Continue reading “How to concatenate FASTA sequences using Perl?” »

How to search motif pattern in FASTA sequences using Perl hash?

in Algorithms/Bioinformatics Programming/Perl by

Here is a simple Perl script to search for motif patterns in a large FASTA file with multiple sequences.

Continue reading “How to search motif pattern in FASTA sequences using Perl hash?” »

A perl script to convert multiline FASTA sequences into a single line

in Bioinformatics Programming by

There are different software or tools which require different kinds of input, especially, when you are trying to developing a pipeline or want to process multiple large files.

If you are dealing with a big FASTA file consisting of thousands of sequences split into a particular number of residues per line, and you want each sequence into a single line, then you can use this simple Perl program. Continue reading “A perl script to convert multiline FASTA sequences into a single line” »

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