The gut microbiome is a microbial ecosystem which expresses 100 times more genes than the human host and plays an essential role in human health and disease pathogenesis. Since most intestinal microbial species are difficult to culture. next generation sequencing technologies have been widely applied to study the gut microbiome. including 16S rRNA. https://www.jmannino.com/quick-offer-AVP-LAKSHADI-THAILAM-BIG-200-ML-great-save/