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. 2021 Jul 26;376(1833):20200186. doi: 10.1098/rstb.2020.0186

Table 1.

Number of full-length endogenous retroviruses (fl-ERVs) and other full-length TEs (LINE + DNA) found on autosomes and sex chromosomes. (fl-ERVs were identified using either RetroTector (RT) or LTRharvest + LTRdigest (LTRhd).)

species autosomes
chromosome Z
chromosome W
males (2n)
females (2n)
W toxicity index (LTRhd) W toxicity index (RT)
LINE + DNA RT LTRhd LINE + DNA RT LTRhd LINE + DNA RT LTRhd LINE + DNA RT LTRhd LINE + DNA RT LTRhd
Calypte anna 1 171 302 0 71 63 1 503 671 2 484 730 5 916 1338 0.834699454 0.895061728
Dromaius novaehollandiae 9 129 261 2 0 32 0 1 111 22 258 586 40 259 665 0.159539474 0.067857143
Gallus gallus 7 392 232 0 74 68 3 244 246 14 932 600 31 1102 778 0.317589577 0.197674419
Lycocorax pyrrhopterus 1 396 558 0 83 88 0 439 678 2 958 1292 4 1314 1882 0.457496136 0.372916667
Strigops habroptila 7 354 911 0 102 225 1 458 871 14 912 2272 29 1268 2918 0.289151356 0.400647948
Taeniopygia guttata 0 298 552 0 149 184 0 450 723 0 894 1472 0 1195 2011 0.366168478 0.336689038