On the other hand, known commensal bacteria [9, 72] such Prevotella, Roseburia [51] and Fecalibacterium prausnitzii [47] that were depleted among kidney disease populations, were associated with a better kidney function (eGFR) [47, 51] and decreases in Cystatin C levels [51]. This evidence concerns the gene CST3 and kidney disorder.