Critical bug fixed in uclust and uclust_ref OTU pickers

4 05 2010

A critical bug was found and fixed yesterday in the uclust and uclust_ref OTU pickers. This bug affected QIIME svn revisions 1256-1265. If you have picked OTUs using uclust or uclust_ref using revisions 1256 through 1265, your OTUs are wrong and you will need to re-pick OTUs. These revisions cover Wednesday April 28th through Monday May 3rd.

This bug does not affect QIIME 1.0.0.

A description of the issue can be found in the QIIME bug report, here.

We apologize for any inconvenience this has caused. If you have any questions, please feel free to contact Qiime Help.




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