软件包：lucy（1.20-5 以及其他的）

DNA sequence quality and vector trimming tool

Lucy is a utility that prepares raw DNA sequence fragments for sequence assembly, possibly using the TIGR Assembler. The cleanup process includes quality assessment, confidence reassurance, vector trimming and vector removal. The primary advantage of Lucy over other similar utilities is that it is a fully integrated, stand alone program.

Lucy was designed and written at The Institute for Genomic Research (TIGR, now the J. Craig Venter Institute), and it has been used here for several years to clean sequence data from automated DNA sequencers prior to sequence assembly and other downstream uses. The quality trimming portion of lucy makes use of phred quality scores, such as those produced by many automated sequencers based on the Sanger sequencing method. As such, lucy’s quality trimming may not be appropriate for sequence data produced by some of the new “next-generation” sequencers.

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