Genome scan to assess the respective role of host-plant and environmental constraints on the adaptation of a widespread insect

Table 3 Results from stepwise logistic regressions relating the presence and absence of each marker to the two first axes of the principal component analysis (PCA)¹, the host-plant (HP), and the three interactions².

Markers	Axis1	Axis2	HP	Axis1 × HP	Axis2 × HP	Axis1 × Axis 2
11	0.19 (5.7 × 10 ^-4 )	NS	NS	NS	NS	NS
13	0.39 (8.22 × 10 ^-6 )	-0.34 (5.3 × 10 ^-4 )	0.53 (0.15)	NS	NS	NS
19	NS	-0.38 (4.2 × 10 ^-4 )	0.56 (0.13)	NS	NS	NS
26	0.10 (0.03)	-0.25 (5.4 × 10 ^-4 )	0.98 (2.7 × 10^-3)	NS	NS	NS
27	0.09 (7 × 10^-2)	NS	-0.96 (1 × 10 ^-4 )	NS	NS	NS
29	-0.57 (4 × 10 ^-4 )	2.40 (0.24)	2.48 (0.43)	0.37 (0.45)	-2.74 (3 × 10^-3)	NS
30	-0.19 (5.4 × 10^-3)	1.37 (2.42 × 10 ^-5 )	0.74 (0.59)	NS	-1.13 (1 × 10^-3)	NS
33	-0.26 (3.64 × 10 ^-9 )	NS	0.37 (0.13)	NS	NS	NS
38	-0.45 (4.31 × 10 ^-21 )	0.90 (2.37 × 10 ^-7 )	NS	NS	NS	NS
39	0.16 (3.8 × 10 ^-5 )	NS	-0.090 (0.45)	0.27 (.09)	NS	NS
40	-0.18 (8 × 10 ^-6 )	-0.26 (0.93)	0.29 (0.19)	NS	0.43 (0.10)	NS
42	-0.18 (0.37)	-0.66 (6 × 10 ^-5 )	-0.74 (0.02)	0.34 (0.02)	NS	NS
52	0.33 (1 × 10 ^-7 )	-1.6 (6 × 16 ^-16 )	-0.22 (0.86)	NS	0.97 (1 × 10^-3)	NS
62	-0.18 (0.37)	0.46 (4 × 10^-3)	0.34 (0.39)	0.31 (3 × 10 ^-4 )	NS	NS
63	0.59 (1 × 10 ^-22 )	-0.76 (0.89)	-0.86 (0.16)	-0.18 (0.20)	0.80 (0.04)	NS
65	-0.19 (0.37)	-0.44 (8 × 10 ^-5 )	0.45 (0.47)	0.20 (0.09)	NS	NS
68	NS	0.93 (0.05)	0.04 (0.52)	NS	-1.05 (4.3 × 10 ^-5 )	NS

¹ Axis 1 and axis 2 are the two first PCA components (representing respectively 76 and 20% of total inertia) of the projection of altitude and nine climatic variables calculated from the latitude/longitude as yearly mean of monthly values for the period 1961 to 2001 (see Methods for more details).
²Statistically significant logistic regression coefficients are indicated in bold (p-values for each coefficient are given in parenthesis). NS: the correlation was not significant.

ISSN: 2730-7182