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. 2018 Apr 18;3(2):e00155-18. doi: 10.1128/mSphere.00155-18

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Copyright © 2018 Van Laar et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International license.

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FIG 1 — The gshA transposon mutants, strains PW4072 and PW9759, produce little to no detected glutathione. Glutathione (A) and cysteine (B) levels were quantified by HPLC. (A) The levels of glutathione were significantly decreased in the two mutant strains compared to the level in the wild-type strain (MPAO1). Additionally, there was a significant increase in glutathione production in the cis-complemented strain, BH01. (B) There was no significant difference in cysteine production among the strains tested. Values are means plus standard deviations (error bars) from four independent experiments. Values that are significantly different (P < 0.001) are indicated by three asterisks.