Skip to main content
. 2020 Dec 3;9(12):440. doi: 10.3390/biology9120440

Figure 5.

Figure 5

PCA plot of genomic features of symbiotic bacteria. Five genomic features showing the variation of 9467 symbiotic genomes with the rRNA operon linkage status in the principal component analysis (PCA). Each dot represents one bacterial genome. rRNA operon-unlinked bacteria were more distributed along the direction of the higher genome adenine–thymine (AT) content, lower 16S rRNA copy number, and smaller genome size. All five genomic features were significantly different between rRNA operon-linked and unlinked genomes and between mixed and unlinked genomes (p < 0.001, Kruskal‒Wallis rank sum test and Dunn’s test).