mothur v.1.27.0

With a quick turn around, we are happy to announce the release of mothur v.1.27.0. You’ll see that we haven’t added any new commands; however, we have made some significant changes to the various cluster commands resulting in much reduced memory requirements and faster executions. We’ve also fixed a couple of bugs and posted the mothur-compatible version of the latest RDP taxonomy files.

Look for some more exciting features and commands in September!

Feature updates

• cluster, cluster.classic, cluster.split - reduced memory by 50% and increased speed by 55%.
• create.database - allowed command to proceed with abundance mismatches between constaxonomy file and shared file to allow the user to sample or normalize the shared file.
• chop.seqs - added processors option. - https://forum.mothur.org/viewtopic.php?f=5&t=1683

Bug fixes

• screen.seqs - segfault in MPI version.
• sub.sample - missing files if subsamples call of the unique.seqs command produced a file with the same name as subsamples output file name. https://forum.mothur.org/viewtopic.php?f=4&t=1681
• various commands would complain about missing names if the names file did not end in white space - https://forum.mothur.org/viewtopic.php?f=4&t=1698&p=4538#p4538

Changes to wiki

• Posted mothur-compatible version of latest RDP reference files (v. 9)

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