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- Jun 5, 2016
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Apparently, yesDoes the ocean run peroxide?
Hydrogen peroxide in deep waters from the Mediterranean Sea, South Atlantic and South Pacific Oceans - Scientific Reports
Hydrogen peroxide (H2O2) is present ubiquitously in marine surface waters where it is a reactive intermediate in the cycling of many trace elements. Photochemical processes are considered the dominant natural H2O2 source, yet cannot explain nanomolar H2O2 concentrations below the photic zone...
Degradation of hydrogen peroxide at the oceanâ€™s surface: the influence of the microbial community on the realized thermal niche of Prochlorococcus - The ISME Journal
Prochlorococcus, the smallest and most abundant phytoplankter in the ocean, is highly sensitive to hydrogen peroxide (HOOH), and co-occurring heterotrophs such as Alteromonas facilitate the growth of Prochlorococcus by scavenging HOOH. Temperature is also a major influence on Prochlorococcus...
Peroxide is also part of the natural response many living things have to pathogen: https://en.m.wikipedia.org/wiki/Respiratory_burst
Conversely some organisms are thereby resistant to peroxide because they produce peroxidases and catalases which help them resist peroxide.