Figure 2 | Scientific Reports

Figure 2

From: The human “contaminome”: bacterial, viral, and computational contamination in whole genome sequences from 1000 families

Figure 2

(A) Number of reads originally unmapped or poorly aligned to GRCh38 that Kraken2 classified as belonging to human, bacterial, viral, and archaeal sequences. (B) Taxonomic levels of Kraken2 classifications. While a significant fraction of reads were classified as ambiguous, Kraken2 was able to classify the majority of reads down to the species or strain level. (C) The top 50 most abundant viruses based on read count, clustered by Spearman correlation of sample abundances. Each point represents a sample’s read count. (D) Top 100 most abundant bacteria, archaea, and lower eukaryotes based on read counts and clustered by Spearman correlation of sample abundances.

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