Science Advances

Supplementary Materials

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  • table S1. Methylmercury degradation by washed cells of methanotrophs, including M. trichosporium OB3b and its two methanobactin (mb) defective mutants (mbnA::Gmr and ΔmbnAN), Methylocystis strain SB2, M. capsulatus Bath, and M. parvus OBBP in 5 mM MOPS at pH 7.3.
  • fig. S1. Methylmercury (CH3Hg+) and inorganic mercury (IHg) species distribution during CH3Hg+ degradation assays with M. trichosporium OB3b.
  • fig. S2. Effects of acetylene addition (as an inhibitor of MMOs) on methylmercury (CH3Hg+) degradation by washed cells of M. trichosporium OB3b (108 cells ml−1) in 5 mM MOPS buffer at 30°C.
  • fig. S3. Reactions between methylmercury (CH3Hg+, 5 nM) and purified methanobactin (1 μM) from M. trichosporium OB3b in 5 mM MOPS buffer (pH 7.3) at 30°C.
  • fig. S4. Effects of methanol addition on methylmercury (CH3Hg+) degradation by washed cells of M. trichosporium OB3b (108 cells ml−1) in 5 mM MOPS buffer at 30°C.

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