Petroleum degradation by Pseudomonas sp. ZS1 is impeded in the presence of antagonist Alcaligenes sp. CT10

AMB Express

Table 2 Degradation of crude oil in cultures of one or both of Alcaligenes sp. CT10 and Pseudomonas sp. ZS1

LAH (C#)^a	RT (min)^b	Ctl (level)^c	CT10 (level)^d	CT10/ZS1 (level)^e	ZS1 (level)^f	CT10 (%deg)^g	CT10/ZS1 (%deg)^h	ZS1 (%deg)ⁱ
9	7.68	8570	0	0	0	100.00	100.00	100.00
10	10.34	9518	1810	393	0	80.98	95.87	100.00
11	13.09	11,662	4742	3503	0	59.34	69.96	100.00
12	15.76	14,531	9192	9351	0	36.74	35.65	100.00
13	18.29	20,599	17,001	18,330	453	17.47	11.02	97.80
14	20.68	23,975	22,193	22,858	598	7.43	4.66	97.51
15	22.94	26,059	25,468	22,826	664	2.27	12.41	97.45
16	25.07	21,935	21,923	19,366	777	0.05	11.71	96.46
17	27.09	21,009	20,503	17,364	309	2.41	17.35	98.53
18	29.02	16,658	16,654	14,154	0	0.02	15.03	100.00
19	30.85	16,659	16,722	15,411	300	− 0.38	7.49	98.20
20	32.59	16,032	15,933	13,415	592	0.62	16.32	96.31
21	34.26	16,938	17,050	13,738	547	− 0.66	18.89	96.77
22	35.85	16,626	16,535	13,159	378	0.55	20.85	97.73
23	37.38	17,060	17,005	13,042	624	0.32	23.55	96.34
24	38.85	15,283	15,178	11,839	428	0.69	22.53	97.20
25	40.27	15,747	15,757	12,688	658	− 0.06	19.43	95.82
26	41.63	14,552	14,426	11,597	447	0.87	20.31	96.93
27	42.94	13,404	13,273	12,236	532	0.98	8.71	96.03
28	44.23	20,840	11,537	10,560	694	44.64	49.33	96.67
29	45.58	10,534	10,344	10,563	723	1.80	− 0.28	93.14
30	47.08	7432	7411	7377	0	0.28	0.74	100.00
31	48.77	6251	6117	6643	0	2.14	− 6.27	100.00
Total LAH.		361,874	316,774	280,413	8724	12.5	22.5	97.6
Total oil		481,954	428,608	374,615	13,911	11.1	22.3	97.1

^aLAH (C#) for linear aliphatic hydrocarbons with carbon numbers
^bRT for retention time in minute
^cctl (level) for levels in control
^dCT10 (level) for levels in Alcaligenes sp. culture
^eCT10/ZS1 (level) for levels in mixed Alcaligenes sp. and Pseudomonas sp. cultures, respectively
^fZS1 (level) for levels in Pseudomonas sp. culture
^gCT10 (%deg) for oil degradation rate in Alcaligenes sp. culture
^hCT10/ZS1 (%deg) for oil degradation rate in mixed Alcaligenes sp. and Pseudomonas sp. culture
ⁱZS1 (%deg) for oil degradation rate in Pseudomonas sp. culture