Table 2.

Relative abundance of nineteen bacterial core phyla present in rhizosphere bacterial community determined by 16S sequencing

Core phylum	Relative abundance (%) in Control treatment					Relative abundance (%) in PTS-394 treatment
	1 d	3 d	7 d	9 d	14 d	1 d	3 d	7 d	9 d	14 d
Proteobacteria	37.94	38.43	40.11	37.13	41.58	36.56	39.18	38.29	41.37	39.22
Bacteroidetes	13.85	13.36	12.24	14.26	11.19	11.48	12.27	11.30	11.56	12.45
Actinobacteria	9.70	9.43	9.73	11.96	10.67	7.92	7.84	11.20	8.85	8.52
Chloroflexi	8.08	8.36	8.42	7.72	6.01	5.96	6.46	7.82	6.54	7.97
Acidobacteria	5.70	7.17	6.77	6.79	5.77	5.89	7.65	6.19	7.10	6.27
Gemmatimonadetes	6.12	5.28	5.38	4.37	5.36	5.83	6.01	6.12	6.59	6.29
Firmicutes	2.52	2.78	2.49	2.81	3.92	13.78	6.68	3.85	3.58	3.29
Planctomycetes	5.80	5.21	5.18	4.91	3.93	3.58	4.25	4.66	4.22	3.05
Cyanobacteria	0.58	0.50	0.44	0.87	0.86	0.45	0.47	0.55	0.64	1.18
Verrucomicrobia	0.39	0.49	0.49	1.06	0.84	0.46	0.40	0.50	0.59	0.56
Nitrospirae	0.50	0.83	0.51	0.72	0.47	0.43	0.58	0.42	0.61	0.48
Chlorobia	0.48	0.40	0.41	0.28	0.32	0.36	0.40	0.55	0.51	1.09
Deinococcus-Thermus	0.35	0.55	0.32	0.30	0.29	0.30	0.35	0.36	0.42	0.33
Fusobacteria	0.42	0.53	0.39	0.47	0.21	0.33	0.28	0.24	0.26	0.21
Armatimonadetes	0.28	0.29	0.28	0.24	0.43	0.22	0.30	0.37	0.35	0.21
Fibrobacteres	0.07	0.08	0.09	0.09	0.18	0.05	0.07	0.09	0.09	0.31
Elusimicrobia	0.04	0.05	0.04	0.09	0.15	0.03	0.08	0.06	0.06	0.05
Thermotogae	0.05	0.04	0.05	0.04	0.02	0.04	0.01	0.04	0.01	0.03
Spirochaetes	0.03	0.03	0.05	0.01	0.02	0.04	0.03	0.03	0.01	0.02

The assay was performed 1, 3, 7, 9, and 14 days after inoculation with PTS-394. Control experiments without PTS-394 were performed at same time points