Fig. 1: The geographical position, phylogeny, and biofilm-formation capability of rpoZ variants. | Nature Communications

Fig. 1: The geographical position, phylogeny, and biofilm-formation capability of rpoZ variants.

From: Evolutionary selection of biofilm-mediated extended phenotypes in Yersinia pestis in response to a fluctuating environment

Fig. 1

a The geographical position of the Guertu plague foci sampling site. The map was created based on the public geographical data downloaded from OpenStreetMap (http://openstreetmap.org) and was licensed under the CC BY-SA (https://www.openstreetmap.org/copyright). b Maximum clade credibility phylogeny of 78 Y. pestis strains in Guertu, based on 54 SNPs. Red dots indicate the eight isolates with rpoZ mutations, black dots the two rpoZ wild-type isolates used as control. The labels are the strain ID number. A full version of the tree is provided in Supplementary Fig. 5. The plot below the tree shows the sampling distribution over the years. c The in vitro biofilm-formation capacity of the rpoZ mutants (fivefold repeated experiment) and the control strains, as measured by crystal violet staining. Boxplots depict the upper, median, and lower quartiles, individual dots indicate outliers that lie outside of 1.5 times the interquartile range, and vertical lines indicate the range of all values except for outliers. The Source data of Fig. 1c are provided as a Source Data file.

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