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Table 3 Correlations between Pokey and rRNA gene number in diploid and polyploid Daphnia from North America

From: Impact of ploidy level on the distribution of Pokey element insertions in the Daphnia pulex complex

Cytotypes X-axis Y-axis Slope y-intercept R2 P-value Figure
All diploids 18S 28S 1.8038 −39.8411 0.9901 1.76 e-08* AF68
All triploids 18S 28S 1.6627 −14.3154 0.9586 5.07 e-07* AF6
Diploid hybrids Hpl 1 Pokey (TED)2 16.500 11.674 0.0634 0.4549 2
18S rPokey3 −0.0146 9.4540 0.1035 0.4371 AF7
gPokey4 rPokey −06251 13.0792 0.3927 0.0964 AF8
Pokey-1 (TED)5 Total gPokey6 1.5329 −1.7681 0.4950 0.0515 3
Diploid hybrids - PX2-MB-1 18S rPokey 0.0147 −1.07571 0.3979 0.1287 AF7
gPokey rPokey −0.3350 8.0216 0.5605 0.0528 AF8
Diploid hybrids – (PX2-QC-9, PX2-MI-7) Pokey-1 (TED) Total gPokey 1.5741 −2.7883 0.7383 0.0283* -
Pokey-1 (TED) H Pokey 7 −0.0088 0.7623 0.0376 0.7130 AF9
Hpl H Pokey −3.2220 1.8820 0.6592 0.0497* AF10
Triploid hybrids Hpl Pokey (TED) 6.6490 17.534 0.0756 0.4418 2
18S rPokey 0.0085 1.2673 0.2492 0.2541 AF7
gPokey rPokey 0.0201 2.8478 0.0036 0.8978 AF8
Pokey-1 (TED) Total gPokey −1.6300 1.0290 0.3342 0.1740 3
Triploid tenebrosa Pokey-1 (TED) Total gPokey −0.1923 20.7692 0.4808 0.5122 3
  1. 1. Denotes average heterozygosity estimated using nine microsatellite loci weighted by the ploidy level.
  2. 2. Denotes Pokey insertion site number estimated using TE display.
  3. 3. Denotes haploid Pokey number in 28S genes amplified using qPCR.
  4. 4. Denotes haploid Pokey number outside 28S genes amplified using qPCR.
  5. 5. Denotes Pokey insertion site number estimated using TE display minus the peak from elements in 28S genes.
  6. 6. Denotes total Pokey number outside 28S genes amplified using qPCR.
  7. 7. Denotes average heterozygosity of Pokey insertions outside 28S genes amplified using qPCR.
  8. 8. AF refers to Additional Files.
  9. *P values are significant results.