The strains were cultivated under hydrogen oxidizing-(HOX), sulfur oxidizing-(SOX) and both hydrogen and sulfur oxidizing-(HOX + SOX) conditions.
Vöxtur var athugaður við mismunandi frumbjarga aðstæður; vetnisoxandi (HOX), brennisteinsoxandi (SOX) og bæði vetnis- og brennisteinsoxandi (HOX + SOX).