Fig. 7
From: Polyamine metabolism links gut microbiota and testicular dysfunction
Testicular injury was improved by Parabacteroides distasonis transplantation. a Procedure for transplantation of Parabacteroides distasonis. b Copies of Parabacteroides distasonis and total bacteria in cecum content. c Testis and cecum polyamine levels. d Testis index. e, f Testosterone levels and steroidogenic genes. g mRNA level of genes related to early and late spermatogenic events. *P < 0.05, **P < 0.01, and ***P < 0.001 (n = 6). A: antibiotic; Pd.: Parabacteroides distasonis; Pd-H.: heat-killed Parabacteroides distasonis