. "\"Any process that results in a change in state or activity of the symbiont or its cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of detecting iron concentration in its host organism. The host is defined as the larger of the organisms involved in a symbiotic interaction.\" [GOC:pamgo_curators]" . . "response to host iron concentration" . "response of symbiont to host iron concentration" . "Note that this term is used to annotate gene products of the symbiont." . .