has_part exists_during inheres_in towards qualifier altered level of substance in cell altered level of substance in cell during nitrogen starvation This is a high-level term whose primary purpose is to organize terms beneath it in the ontology, and we expect that it will not be used for direct annotations. Please consider using a more specific term to annotate each phenotype. 2014-12-09T12:14:06Z A cell phenotype in which the amount of a specific substance measured in a cell that is subject to nitrogen starvation differs from normal. midori FYPO:0004139 abnormal level of substance in cell during nitrogen starvation