. 2018 Jul 31;6:e5355. doi: 10.7717/peerj.5355

Table 6. Mean relative abundance (%) ± SD of the most prevalent bacterial phyla, classes, orders, families, and genera found in fecal samples of gilthead sea bream fed with two tested diets.

	CTRL	Sh108	P-value	Benjamini Hochberg P-value
Phylum
Actinobacteria	2.14 ± 1.09	2.68 ± 0.78	0.413	0.591
Firmicutes	35.11 ± 19.63	60.64 ± 1.63	0.021	0.135
Proteobacteria	62.38 ± 20.50	35.60 ± 1.63	0.022	0.135
Class
Actinobacteria	2.16 ± 1.10	2.80 ± 0.89	0.367	0.591
Bacilli	33.01 ± 18.52	55.25 ± 6.51	0.039	0.209
Clostridia	2.47 ± 1.54	7.60 ± 4.67	0.069	0.211
Alphaproteobacteria	1.11 ± 0.92	2.21 ± 2.11	0.339	0.591
Betaproteobacteria	2.07 ± 0.85	2.53 ± 1.18	0.531	0.671
Gammaproteobacteria	58.63 ± 20.98	28.41 ± 3.01	0.014	0.135
Order
Actinomycetales	2.16 ± 1.10	2.80 ± 0.89	0.367	0.591
Bacillales	11.80 ± 7.18	9.52 ± 2.00	0.513	0.668
Lactobacillales	21.21 ± 14.52	45.73 ± 8.07	0.014	0.135
Clostridiales	2.47 ± 1.54	7.60 ± 4.67	0.069	0.211
Rhodobacterales^a	0.64 ± 1.18	1.73 ± 2.13	0.241	0.545
Burkholderiales	1.95 ± 0.77	2.12 ± 0.96	0.792	0.874
Enterobacteriales	26.72 ± 21.86	26.19 ± 5.56	0.959	0.959
Vibrionales^a	31.53 ± 38.20	1.78 ± 3.22	0.066	0.211
Family
Corynebacteriaceae	0.75 ± 0.58	0.83 ± 0.34	0.820	0.874
Propionibacteriaceae	1.15 ± 0.44	1.75 ± 0.59	0.138	0.364
Alicyclobacillaceae	7.98 ± 5.33	5.70 ± 1.66	0.389	0.591
Bacillaceae	2.5 ± 1.42	1.88 ± 0.33	0.363	0.591
Staphylococcaceae	0.88 ± 0.67	1.23 ± 0.48	0.402	0.591
Lactobacillaceae	18.75 ± 13.23	40.90 ± 7.41	0.015	0.135
Leuconostocaceae	1.55 ± 1.34	4.15 ± 1.21	0.018	0.135
Streptococcaceae	0.89 ± 0.55	0.65 ± 0.18	0.446	0.599
Clostridiaceae	1.94 ± 1.16	7.02 ± 4.63	0.068	0.211
Rhodobacteraceae^a	0.64 ± 1.18	1.73 ± 2.13	0.241	0.545
Alcaligenaceae	0.90 ± 0.32	0.85 ± 0.43	0.834	0.874
Comamonadaceae	1.00 ± 0.43	1.14 ± 0.53	0.689	0.822
Enterobacteriaceae	26.72 ± 21.86	26.18 ± 5.55	0.958	0.959
Vibrionaceae^a	31.29 ± 38.13	1.75 ± 3.20	0.066	0.211
Genus
Corynebacterium	0.75 ± 0.58	0.83 ± 0.34	0.820	0.874
Propionibacterium	1.15 ± 0.44	1.75 ± 0.59	0.138	0.364
Alicyclobacillus	7.98 ± 5.33	5.70 ± 1.66	0.389	0.591
Bacillus	1.78 ± 0.89	1.34 ± 0.31	0.333	0.591
Staphylococcus	0.86 ± 0.65	1.18 ± 0.51	0.439	0.599
Lactobacillus	18.73 ± 13.20	40.86 ± 7.36	0.014	0.135
Streptococcus	0.89 ± 0.55	0.62 ± 0.15	0.400	0.591
Clostridium	0.39 ± 0.24	3.09 ± 3.33	0.144	0.364
SMB53	0.11 ± 0.08	0.70 ± 0.93	0.258	0.554
Achromobacter	0.83 ± 0.31	0.77 ± 0.38	0.802	0.874
Delftia	0.95 ± 0.38	1.11 ± 0.52	0.629	0.822
Photobacterium^a	31.04 ± 38.02	1.74 ± 3.20	0.066	0.211

Notes.

Significance of the differences (P < 0.05) was obtained by Student’s t-test or non-parametric Mann-Whitney U test (a) depending on normal distribution of data. Benjamini-Hochberg FDR method was applied for multiple test correction with Q set to 0.20.