Figure 6
From: An Improved Method for High Quality Metagenomics DNA Extraction from Human and Environmental Samples

PCR amplification and cloning of complete 16S rRNA gene of sewage water samples.
Lane 1: 1-kb DNA ladder. Lane 2: 16S rRNA gene PCR amplicon. Lane 3: Cloning vector pCR2.1. Lane 4–11: Cloning vector containing complete 16S rRNA gene isolated from eight randomly selected clones.