Species That Inform This Marker Guide

A function is rarely the work of a single species. Different organisms often carry the genes for the same metabolic job, so the capacity behind a marker is shared across the community. Every functional microbiome marker now shows the species contributing to it, with each species' share given as a percentage. This guide explains how to read that list: what a contribution share means, how it differs from relative abundance, and what it does and does not support in practice.

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