Insight into the sialome of the castor bean tick, Ixodes ricinus

BMC Genomics

Table 2 Distribution of groups of housekeeping genes among the four libraries

			IRUF			IR24H			IR4D			IR7D
				p	p	p	p
Name of group	Contigs	EST	Obs	Exp	IRUF/IR24H	Obs	Exp	IR24/IR4D	Obs	Exp	IR4D/IR7D	Obs	Exp	ALL
Metabolism energy	72	184	19	47.25	0.000	28	48.13	0.000	60	46.37	0.000	77	42.26	0.000
Protein synthesis – ribosomal proteins	82	166	49	42.63	0.293	46	43.42	0.240	49	41.83	0.005	22	38.12	0.018
Protein modification and degradation	32	36	5	9.24	0.069	13	9.42	0.222	8	9.07	0.484	10	8.27	0.275
Protein synthesis	11	27	8	6.93	0.381	5	7.06	0.252	9	6.80	0.332	5	6.20	0.630
Transcription mechanism	21	24	9	6.16	0.238	7	6.28	0.378	4	6.05	0.292	4	5.51	0.470
Signal transduction	20	20	8	5.14	0.025	1	5.23	0.058	6	5.04	0.640	5	4.59	0.151
Metabolism carbohydrates	14	17	1	4.37	0.047	2	4.45	0.001	11	4.28	0.001	3	3.90	0.002
Cytoskeleton related proteins	10	14	4	3.59	0.782	4	3.66	0.405	2	3.53	0.356	4	3.22	0.816
Intracellular trafficking mechanism	12	12	1	3.08	0.113	5	3.14	0.045	6	3.02	0.017	0	2.76	0.041
Nuclear structure related proteins	10	12	4	3.08	0.475	4	3.14	0.207	1	3.02	0.241	3	2.76	0.594
Metabolism	6	8	2	2.05	0.450	1	2.09	0.450	2	2.02	0.391	3	1.84	0.726
Metabolism – aminoacids	6	8	2	2.05	0.148	0	2.09	0.044	4	2.02	0.161	2	1.84	0.253
Metabolism – lipids	7	8	2	2.05	0.941	2	2.09	0.473	1	2.02	0.264	3	1.84	0.739
Cell Cycle	4	5	0	1.28	0.107	0	1.31	0.187	2	1.26	0.064	3	1.15	0.110
Metabolism – nucleic acids	5	5	1	1.28	0.242	0	1.31	0.054	3	1.26	0.120	1	1.15	0.284
Metabolism – ionts	4	4	1	1.03	0.306	0	1.05	0.026	3	1.01	0.028	0	0.92	0.116

P values show significance of expression difference between two libraries; P – ALL shows which contig has random and non-random distribution. Significant values are (P ≤ 0.05) are marked in bold. Obs – observed, Exp – expected.

ISSN: 1471-2164