Table 4.

The core genera identified in male samples

Phylum	Genus	Relative abundance (%)	Range (%)
Tenericutes	Candidatus_Hepatoplasma	11.07	0.007–74.325
Proteobacteria	Arcobacter	7.91	0.058–40.186
Proteobacteria	Photobacterium	7.51	0.000–42.027
Proteobacteria	Vibrio	5.90	0.098–22.604
Fusobacteria	Psychrilyobacter	3.19	0.000–21.912
Bacteroidetes	Carboxylicivirga	3.09	0.004–14.964
Spirochaetae	Spirochaeta_2	2.42	0.000–23.831
Bacteroidetes	Bacteroides	1.84	0.000–16.469
Firmicutes	Defluviitaleaceae_UCG_011	1.47	0.000–12.943
Proteobacteria	Shewanella	1.32	0.000–5.223
Firmicutes	Lactobacillus	1.10	0.004–11.112
Firmicutes	Romboutsia	0.94	0.000–17.830
Firmicutes	Lactococcus	0.70	0.000–3.718
Firmicutes	Clostridium_sensu_stricto_1	0.60	0.000–4.932
Proteobacteria	Desulfovibrio	0.43	0.000–4.543