# Table 2 Likelihood ratio test (LRT) comparisons of generalised linear models for aminolipid synthesis gene abundance with and without the inclusion of N* as an independent variable

Model comparison
Gene Slope coefficient Standard error z-value p LRT statistic LRT p
glsB 0.179 0.087 2.06 <0.05 4.35 <0.05
olsB 0.201 0.056 3.62 <0.001 13.2 <0.001
olsF −0.078 0.077 −1.03 0.304 1.22 0.269
1. Coefficients are given for the N* term along with z-value and associated p-values for the inclusion of N* as a parameter. N* is defined as $$\left[ {NO_3^ - } \right] - 16\left[ {PO_4^{3 - }} \right]$$