Table 6 Summary of correlation analysis between the first two principal axes and relative abundance of dinucleotides in MARV genomes

UU

UC

UA

UG

CU

CC

CA

CG

Mean ± SD

0.32 ± 0.00

1.11 ± 0.01

0.69 ± 0.01

1.17 ± 0.01

1.00 ± 0.03

1.05 ± 0.02

1.23 ± 0.01

0.51 ± 0.01

Range

0.31–.32

1.07–0.13

0.68–0.71

1.16–1.20

0.97–1.07

1.03–1.10

1.21–1.25

0.49–0.53

f' ₁

r

−0.552**

0.104^NS

0.320*

0.003^NS

0.517**

−0.348**

−0.326**

−0.394**

P

0.000

0.415

0.011

0.979

0.000

0.005

0.009

0.001

f' ₂

r

−0.603**

−0.040^NS

−0.146^NS

0.533**

−0.185^NS

0.318*

−0.397**

−0.626**

P

0.000

0.758

0.252

0.000

0.147

0.011

0.001

0.000

AU

AC

AA

AG

GU

GC

GA

GG

Mean ± SD

0.97 ± 0.01

0.91 ± 0.01

1.06 ± 0.01

1.05 ± 0.02

0.82 ± 0.02

0.90 ± 0.03

1.11 ± 0.01

1.21 ± 0.03

Range

0.96–0.99

0.89–0.93

1.04–1.07

1.03–1.11

0.79–0.86

0.86–0.97

1.08–1.14

1.16–1.24

f' ₁

r

−0.420**

−0.455**

−0.412**

0.681**

−0.369**

−0.735**

0.420**

−0.558**

P

0.001

0.000

0.001

0.000

0.003

0.000

0.001

0.000

f' ₂

r

−0.515**

−0.550**

0.192^NS

0.238^NS

0.357**

0.265*

−0.291*

−0.788**

P

0.000

0.000

0.132

0.060

0.004

0.036

0.021

0.000