PROCESS FOR PRODUCTION OF PYRROLE COMPOUND

摘要

A tetrapyrrole compound having a porphyrin ring structure can be produced by culturing an Escherichia coli cell in a culture medium and collecting the compound from the culture medium, wherein the Escherichia coli cell has a gene ypjD (b2611) so mutated that the gene cannot be expressed in the Escherichia coli cell.