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Table 1 Correlations between nuclear genome assembly level and the abundance of NUMTs/NUPTs

From: Desiccation does not drastically increase the accessibility of exogenous DNA to nuclear genomes: evidence from the frequency of endosymbiotic DNA transfer

 

NUMT

NUPT

Number of species

 Contig (1)

16

8

 Scaffold/chromosome/complete genome (2)

216

106

Number of NUMTs/NUPTs

 λ

0.983

0.401

 R2

0.019

0.150

 Slope

−0.713

1.393

p

0.037

2.1 × 10−5

Total length of NUMTs/NUPTs

 λ

0.942

0.718

 R2

0.008

0.046

 Slope

−0.468

0.807

p

0.185

0.022

Number of species

 Scaffold (3)

151

56

 Chromosome/complete genome (4)

65

50

Number of NUMTs/NUPTs

 λ

0.985

0.507

 R2

4 × 10−4

0.038

 Slope

0.050

0.346

p

0.769

0.044

Total length of NUMTs/NUPTs

 λ

0.935

0.745

 R2

0.004

0.015

 Slope

−0.187

0.239

p

0.346

0.218

  1. For one plant for which the data of both NUMTs and NUPTs were available, we regarded it as two samples, one NUMT sample and one NUPT sample, rather than combining them into one norgDNA sample. The correlations were analysed by phylogenetic generalized least squares (PGLS) regression. The numbers in the parentheses after the genome assembly levels are the numbers that were assigned to the assembly levels in the PGLS regression analysis. λ is the phylogenetic signal. The approach of this value to one necessitates the use of phylogenetic comparative methods, such as PGLS