Table 1.
Non-LTR retrotransposons in protostomes and deuterostomes. The copy number for each clade, clade complexity (clades), total copy number (Copy num.), genomic burden (% Genome), and genome size (Gen. size) is shown.
| C. elegans12 | D. melanogaster13 | C. intestinalis7 and 14 | B. floridae | T. rubripes15 | R. norvegicus16 | H. sapiens17 | |
|---|---|---|---|---|---|---|---|
| CRE | 2,000 | ||||||
| I | 67 | 9 | 3 | ||||
| Jockey | 392 | ||||||
| L1 | 22 | 32 | 500 | 597,000 | 904,000 | ||
| L2 | 24 | 35 | 6,500 | 48,000 | 408,000 | ||
| L3/CR1 | 1,000 | 25 | 11,000 | 55,000 | |||
| LOA | 18 | 69 | |||||
| NeSL | 110 | 6 | 6 | 30 | |||
| R1 | 130 | ||||||
| R2 | 3-60 | 13 | |||||
| R4 | 1,000 | ||||||
| Rex1 | 2,000 | ||||||
| RTE | 15 | 42 | 2,300 | ||||
| Tad1 | |||||||
| Clades | 3 | 5 | 6 | 6 | 7 | 3 | 3 |
| Copy num. | 1,115 | 667 | 143 | 143 | 14,300 | 657,000 | 1,368,000 |
| % Genome | <5 | <3 | <1 | <1 | 1.3 | 23.1 | 21.05 |
| Gen. size | 9.7·107 | 1.6·108 | 1.8·108 | 5.8·108 | 4·108 | 2.9·109 | 3.2·109 |