In the new paper, the researchers map out how an enzyme in a common mold species called Aspergillus fumigatus adds a pair of oxygen atoms to a toxin the mold produces.
Atoms of oxygen from the water could pair with atoms of oxygen from the rust or sand, creatinAtomsofoxygen from the water could pair with atoms of oxygen from the rust or sand, creatinatomsofoxygen from the rust or sand, creating O2.