Table 1 |
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|
CpG islands and other genomic features in ten mammalian genomes |
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|
Genome |
CpG islands |
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|
|
|
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|
Species |
Size (Gb)* |
Number of chromosome pairs |
Number of arms† |
GC content (%) |
ObsCpG/ExpCpG |
Number of CGIs |
CGI density (/Mb) |
Avgerage length (bp) |
GC content (%) |
ObsCpG/ExpCpG |
|
|
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|
Human |
2.85 |
23 |
82 |
40.9 |
0.236 |
37,531 |
13.2 |
1,089 |
62.0 |
0.743 |
|
Chimpanzee |
2.75 |
24 |
84 |
40.7 |
0.233 |
35,845 |
13.0 |
1,011 |
60.3 |
0.761 |
|
Macaque |
2.65 |
21 |
84 |
40.7 |
0.245 |
39,498 |
14.9 |
957 |
60.8 |
0.749 |
|
Mouse |
2.48 |
20 |
40 |
41.7 |
0.192 |
20,458 |
8.2 |
1,043 |
60.6 |
0.756 |
|
Rat |
2.48 |
21 |
64 |
41.9 |
0.220 |
19,568 |
7.9 |
1,004 |
59.7 |
0.758 |
|
Dog |
2.31 |
39 |
80 |
41.0 |
0.244 |
58,327 |
25.3 |
1,102 |
62.2 |
0.753 |
|
Cow |
2.29 |
30 |
62 |
41.9 |
0.236 |
36,729 |
16.0 |
1,023 |
61.2 |
0.740 |
|
Horse |
2.03 |
32 |
92 |
41.0 |
0.285 |
33,135 |
16.3 |
937 |
59.2 |
0.749 |
|
Opossum |
3.34 |
9 |
24 |
37.6 |
0.129 |
24,938 |
7.5 |
919 |
60.8 |
0.698 |
|
Platypus‡ |
0.41 |
26 |
NA |
43.3 |
0.296 |
14,686 |
35.9 |
929 |
56.8 |
0.785 |
|
|
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|
*The nucleotides marked as 'N' were not included in the analysis. †Number of arms in a female. ‡Incomplete genome sequences (only 19 partially assembled chromosomes). NA, not available. |
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|
Han et al. Genome Biology 2008 9:R79 doi:10.1186/gb-2008-9-5-r79 |
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