Table 3.

Correlation coefficients between the positions of genes along the first two major axes with index of total genes’ codon usage and synonymous codon usage bias

	Gene length	GC	GC1	GC2	GC3	GC3s	A3s	T3s	C3s	G3s	Gravy	Aromo	ENc	CAI	Axis1
GC	0.137**
GC1	0.094**	0.699**
GC2	0.132**	0.559**	0.392**
GC3	0.128**	0.884**	0.418**	0.237**
GC3S	0.125**	0.891**	0.434**	0.243**	0.998**
A3s	−0.099**	−0.889**	−0.505**	−0.350**	−0.906**	−0.912**
T3s	−0.154**	−0.787**	−0.334**	−0.230**	−0.902**	−0.900**	0.681**
C3s	0.089**	0.834**	0.407**	0.201**	0.939**	0.943**	−0.861**	−0.834**
G3s	0.135**	0.657**	0.272**	0.029	0.833**	0.828**	−0.707**	−0.763**	0.639**
Gravy	0.166**	−0.021	−0.113**	0.020	0.041	0.034	−0.089**	−0.066*	0.003	−0.027
Aromo	0.080**	−0.117**	−0.384**	−0.148**	0.075*	0.055	0.009	−0.060*	0.090**	0.031	0.235**
ENc	0.079**	0.004	−0.046	0.018	0.043	0.037	0.057	−0.082**	−0.007	0.138**	0.045	0.100**
CAI	−0.148**	0.282**	0.245**	−0.081**	0.300**	0.312**	−0.444**	−0.061*	0.434**	0.064*	−0.170**	−0.140**	−0.210**
Axis1	0.030	0.420**	0.262**	0.122**	0.446**	0.446**	−0.444**	−0.367**	0.439**	0.343**	0.008	−0.020	0.055	0.229**
Axis2	0.135**	−0.002	−0.165**	−0.033	0.108**	0.098**	0.148**	−0.336**	−0.028	0.320**	0.054	0.127**	0.184**	−0.636**	0.012

Note: ** p < 0.01. * p < 0.05.