MUC5AC and gastric cancer: In particular, the potential role of oral pathogenic taxa in GC is highlighted by the observed centralities of Lachnoanaerobaculum, Gemella, and Reyranella in gastric mucin phenotype tumors; Rothia and Prevotella in null mucin phenotype tumors; and Neisseria, Veillonella, and Prevotella in both intestinal and mixed mucin phenotype tumors and Fusobacterium [70].