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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+ <herd>sci-biology</herd>
+ <longdescription>
+UCHIME is a new algorithm for detecting chimeric sequences. It was developed in
+collaboration with Brian Haas, Jose Carlos Clemente, Chris Quince and Rob
+Knight. Chimeras are commonly created during DNA sample amplification by
+PCR, especially in community sequencing experiments using single regions
+such as the 16S rRNA gene in bacteria or the fungal ITS region. UCHIME can
+detect chimeras using a reference database or de novo using abundance
+information on the assumption that chimeras are less abundant than their
+parents because they must have undergone fewer rounds of amplification.
+</longdescription>
+</pkgmetadata>