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. 2020 Aug 9;13(5):1562–1580. doi: 10.1111/1751-7915.13598

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© 2020 The Authors. Microbial Biotechnology published by Society for Applied Microbiology and John Wiley & Sons Ltd

This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Fig. 2 — Principal component analysis of LC‐HRMS data obtained for the four Pseudomonas strains cultivated in planktonic (P) or in biofilm colony (BC) conditions after 6 days of incubation, based on intensity of ions (expressed in log10) in positive (A) and negative (B) modes. Relationships between metabolomes of the 4 fluorescent Pseudomonas strains, P. chlororaphis JV395B and JV497, P. kilonensis F113 and P. koreensis JV222, according to lifestyles are visualized along principal components PC1 = 25.9% and PC2 = 15.2% (N = 60 samples; 186 molecular ions) for the positive mode (A) and PC1 = 53.0% and PC2 = 13.7% (N = 60 samples; 230 molecular ions) for the negative mode (B).