T2_9111307 (CRX2049855; CRA031010)
Genomic DNA was isolated using the PF Mag-Bind Stool DNA Kit (Omega Bio-tek, Georgia, USA) in accordance with the manufacturer.s guidelines. Polymerase chain reaction (PCR) amplification of the V3-V4 region of the bacterial 16S rRNA gene was performed using primers 338F (5'-ACTCCTACGGGAGGCAGCAG-3') and 806R (5'-GGACTACHVGGGTWTCTAAT-3').