A physical map of Brassica oleracea shows complexity of chromosomal changes following recursive paleopolyploidizations

Table 1 Coverage depth of Brassica contigs anchored onto Arabidopsis genome sequence.

	Before removing ancient duplication		After removing ancient duplication
Coverage depth	Covered length (Kb)	Fraction	Covered length (Kb)	Fraction
B. oleracea
0	15742	0.132	17125	0.144
1	20164	0.169	22832	0.192
2	28996	0.244	31783	0.267
3	28731	0.241	28741	0.242
4	15972	0.134	12860	0.108
5	6275	0.053	3943	0.033
6	1916	0.016	940	0.008
7	683	0.006	400	0.003
8	150	0.001	20	0.000
9	34	0.000	27	0.000
10	130	0.001	130	0.001
11	167	0.001	168	0.001
12	12	0.000	7	0.000
> 13	28	0.000	24	0.000
B. rapa
0	8614	0.072	10857	0.091
1	13673	0.115	19177	0.161
2	18150	0.153	22888	0.192
3	22567	0.190	26523	0.223
4	21306	0.179	19988	0.168
5	16264	0.137	10861	0.091
6	9219	0.077	4029	0.034
7	4379	0.037	1723	0.014
8	1944	0.016	612	0.005
9	634	0.005	202	0.002
10	242	0.002	213	0.002
11	172	0.001	97	0.001
12	107	0.001	106	0.001
13	1729	0.015	1724	0.014

ISSN: 1471-2164