Metagenomic assembly, removing redundant contigs.
What is the purpose of the following excerpt from paper using metagenomic assemblies:
Redundancies of sequences from the same organism within the metagenome
were removed by clustering all contigs at 95% identity with CD-hit
v4.6.6 (72), and only the longest contig per cluster was kept
I understand what is being done but I don’t know why. I could see use if binning to reduce computation time perhaps but otherwise I am not sure? Would it able reduce annotation time or something similar?
The paper in question under the methods section “Metagenome sequencing and assembly.”:
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