Biological Role
In terms of human health, the most important organoiodine compounds are the two thyroid hormones thyroxine ("T4") and triiodothyronine ("T3"). Marine natural products are rich sources of organoiodine compounds, like the recently discovered plakohypaphorines from the sponge Plakortis simplex.
The sum of iodomethane produced by the marine environment, microbial activitiy in rice paddies, and the burning of biological material is estimated to be 214 kilotonnes per year. The volatile iodomethane is broken up by oxidation reactions in the atmosphere and a global iodine cycle is established.
Read more about this topic: Organoiodine Compound
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