Table 2.

SGII and SGI CRISPR Spacers

		SGII				SGI
		Number of Spacers	Number of Singletons	New Spacersa	Good's Estimateb	Number of Spacers	Number of Singletons	New Spacersa	Good’s Estimateb
Subject 1
	Month -6	969	53	162	94.5	1038	240	279	76.9
	Month -3	1429	42	54	97.1	1288	88	80	93.2
	Day 1	1254	60	57	95.2	1242	145	111	88.3
	Day 30	1217	51	42	95.8	1512	60	61	96.0
	Day 60	1080	93	66	91.4	1218	228	83	81.3
	Month 11	1057	67	53	93.4	1323	226	220	82.9
	Total c	7006	173	434	97.5	7621	529	834	93.1
Subject 2
	Month -6	1030	286	479	72.2	1207	132	228	89.1
	Month -3	1067	197	211	81.5	1132	161	275	85.8
	Day 1	1020	217	168	78.7	916	261	188	71.5
	Day 30	998	234	123	76.6	1266	224	78	82.3
	Day 60	937	257	120	72.6	1044	129	61	87.6
	Month 11	1094	208	219	81.0	1488	136	88	90.9
	Total c	6146	511	1320	91.7	7053	525	918	92.6
Subject 3
	Day 1	839	172	330	79.5	1339	235	491	82.4
	Day 30	1036	208	307	79.9	1237	157	142	87.3
	Day 60	841	212	166	74.8	1191	293	290	75.4
	Month 11	950	251	217	73.6	1357	158	103	88.4
	Total c	3666	411	1020	88.8	5124	425	1026	91.7
Subject 4
	Day 1	997	114	286	88.6	1169	71	186	93.9
	Day 30	1086	146	150	86.6	1028	84	86	91.8
	Day 60	1210	149	116	87.7	962	73	70	92.4
	Month 11	1023	194	291	81.0	1308	114	220	91.3
	Total c	4316	353	843	91.8	4467	260	562	94.2

^aNumber of unique spacer sequences that were not identified at prior time points

^bEstimate of Good’s coverage

^cBased on all time points combined prior to analysis of spacer composition