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Table 5 Effects of protein (P), carbohydrate (C), and their squares and product on gene expression in females and males

From: Sex-specific plasticity and the nutritional geometry of insulin-signaling gene expression in Drosophila melanogaster

Gene

Sex

C

C2

P

P2

C*P

InR

Female

 βa

  

− 0.025

0.0001

 

 t-valueb

  

− 3.883***

2.904**

 

Male

     

 β

  

− 0.033

0.0002

 

 t-value

  

− 2.466*

2.347*

 

4E-BP

Female

 β

  

− 0.005

  

 t-value

  

− 3.614***

  

Male

     

 β

     

 t-value

     

Ash2L

Female

     

 β

− 1.64258

 

− 0.018

0.0001

 

 t-value

− 2.180*

 

− 2.160*

2.076*

 

Male

     

 β

1.7724

    

 t-value

2.651**

    

CG3071

Female

     

 β

− 0.014

0.00002

− 0.049

0.0002

0.00013

 t-value

− 4.252***

2.083*

− 5.137 ***

4.313***

3.175**

Male

     

 β

     

 t-value

     

dILP2

Female

     

 β

− 0.016

0.00004

− 5.255

 

0.00012

 t-value

− 2.692**

3.013**

− 3.095**

 

2.524*

Male

     

 β

     

 t-value

     

dILP3

Female

     

 β

  

− 0.005

  

 t-value

  

− 2.950**

  

Male

     

 β

     

 t-value

     

dILP5

Female

     

 β

− 1.5897

 

0.019

− 0.0001

 

 t-value

− 1.573

 

0.156

− 2.087*

 

Male

     

 β

     

 t-value

     

dILP8

Female

     

 β

  

− 0.054

0.0003

 

 t-value

  

− 5.101***

2.917**

 

Male

     

 β

     

 t-value

     
  1. aParameter values for the response surface are for the non-orthogonal polynomial regression to facilitate interpretation
  2. bt-tests are for orthogonal polynomials. NSP > 0.05, *P < 0.05, *P < 0.01, ***P < 0.001. Significant t-values are shown in bold