▁department ▁ ▁References ▁IN SEE ▁ ▁Category : Comm unes ▁of ▁G ers <0x0A> </s> ▁M eth y lac idi ph il um ▁infer nor um ▁ ▁is ▁an ▁extremely ▁acid oph il ic ▁m eth an ot roph ic ▁aer ob ic ▁b acter ia ▁first ▁isolated ▁and ▁described ▁in ▁ 2 0 0 7 ▁growing ▁on ▁soil ▁and ▁sed iment ▁on ▁Hell ’ s ▁Gate , ▁New ▁Zealand . ▁Similar ▁organ isms ▁have ▁also ▁been ▁isolated ▁from ▁ge oth erm al ▁sites ▁on ▁Italy ▁and ▁Russia . ▁ ▁A ▁poly ext rem oph ile , ▁these ▁non - mot ile ▁ro ds ▁grows ▁optim ally ▁at ▁p H ▁between ▁ 2 . 0 ▁and ▁ 2 . 5 ▁and ▁temperature ▁of ▁ 6 0   ° C . ▁It ▁is ▁a ▁m eth an ot roph ic ▁oblig ated ▁b acter ia ▁that ▁grows ▁at ▁ 2 5 % ▁( v / v ) ▁of ▁m eth ane ▁in ▁air . ▁It ▁is ▁also ▁very ▁dependent ▁on ▁carbon ▁dio x ide ▁concentr ations ▁to ▁grow , ▁optim ally ▁at ▁ 8 % ▁( v / v ) ▁CO 2 ▁in ▁air . ▁ ▁Due ▁to ▁its ▁classification ▁in ▁the ▁ph yl um ▁Ver ru com icro bia ▁and ▁its ▁extreme ▁acid oph il ic ▁phen ot ype ▁M . ▁infer nor um ▁is ▁unique ▁between ▁all ▁known ▁m eth an ot roph s . ▁ ▁Bi ology ▁ ▁Gen ome ▁It ▁has ▁a ▁single ▁circular ▁chrom os ome ▁of ▁ 2