Table 5

Comparison of LTR retroelement age distributions

Hypotheses
Test
Group(s) tested
Chromosome p-values
Accept?

Metaviridae and Pseudoviridae have similar age distributions in the genome
MRPP, 10,000 random permutations
MV(F), PV(F)
0.0000
No





Metaviridae sublineages have similar age distributions
MRPP, 10,000 random permutations
MV Athila, Metavirus, Tat
0.0000
No


MV Athila, Metavirus
0.0000
No


MV Athila, Tat
0.0003
No


MV Metavirus, Tat
0.4618
Yes





Metaviridae age distributions are similar whether the elements are in or out of heterochromatin
MRPP, 10,000 random permutations
MV(F)
0.0021
No





Metaviridae sublineage age distributions are similar whether they are in or outside heterochromatin
MRPP, 10,000 random permutations
MV Athila
0.0410
No


MV Metavirus
0.5747
Yes


MV Tat
0.0457
No





Pseudoviridae age distributions are similar whether the elements are in or outside heterochromatin
MRPP, 10,000 random permutations
PV(F)
0.0167
No

MV, Metaviridae; PV, Pseudoviridae; NL, non-LTR retrotransposon; R, RT-only; S, solo LTR; F, full-length element. p-values < 0.05 are displayed in bold text.

Peterson-Burch et al. Genome Biology 2004 5:R78   doi:10.1186/gb-2004-5-10-r78

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