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Updated: Dec 31, 2025

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TiO2 exposure alters transition metal ion quota in Rhodococcus ruber GIN-1
Annastassia D Gallo1, Mark R Zierden, Lauren A Profitt
1Department of Chemistry, Temple University, Philadelphia, PA 19122, USA. ann.valentine@temple.edu.
Abstract:
After exposure to micron-sized TiO2 particles, anatase and/or rutile, Rhodococcus ruber GIN-1 accumulates an increased concentration (2.2 ± 0.2 mg kg-1) of mobilized Ti into its biomass with concomitant decreases in cellular biometals Fe, Zn, and possibly Mn, while levels of Cu and Al are unaffected.
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