title: MM patient
design: The genomic bacterial DNA was extracted from stools by the E.Z.N.A. Stool DNA Kit (Omega, Norcross, GA, USA) in accordance with the manufacturers guidelines. Then 1% agarose gel electrophoresis was performed to analyze the integrity and fragment size of the extracted DNA, while NanoDrop 2000 was utilized to quantify DNA (Boston, MA, USA).