Unicellular eukaryotes such as Monosiga brevicollis however no STIM - like genes have been identified in prokaryotes .
Monosiga brevicollis is a unicellular choanoflagellate has been reported to have a STIM - like gene .
Unicellular eukaryotes such as Monosiga brevicollis , a unicellular choanoflagellate has been reported to have a STIM - like gene , however no STIM - like genes have been identified in prokaryotes .