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Table 3 Descriptive statistics of the five candidate reference genes based on their cyclethreshold value (CT) as calculated by the BestKeeper algorithm

From: Validation of reference genes for expression analysis in the salivary gland and the intestine of Rhodnius prolixus (Hemiptera, Reduviidae) under different experimental conditions by quantitative real-time PCR

  

Ranking

1

2

3

4

5

R. prolixus crop

 

Gene name

18S

TUB

L26

GAPDH

ACT

 

Samples after blood feeding

Geo mean (CT)

12.66

19.45

24.38

21.68

18.28

  

Min-max (CT)

12.25-13.10

19.18-20.27

23.51-24.86

21.23-22.43

18.88-20.0

  

Std dev (± CT)

0.17

0.23

0.41

0.43

0.52

  

Std dev (± x-fold)

1.12

1.18

1.33

1.35

1.43

 

Samples after T. rangeli infection

Gene name

ACT

TUB

18S

L26

GAPDH

  

Geo mean (CT)

16.93

17.70

12.06

23.73

20.53

  

Min-max (CT)

16.64-17.11

17.38-18.14

11.78-12.48

23.1-24.67

19.88-21.24

  

Std dev (± CT)

0.12

0.15

0.17

0.40

0.41

  

Std dev (± x-fold)

1.09

1.11

1.12

1.32

1.33

 

Samples after T. cruzi infection

Gene name

18S

TUB

ACT

GAPDH

L26

  

Geo mean (CT)

12.21

18.02

16.66

19.22

23.33

  

Min-max (CT)

11.91-12.44

17.86-18.35

16.39-17.30

18.76-19.72

21.99-25.42

  

Std dev (± CT)

0.09

0.17

0.25

0.26

0.93

  

Std dev (± x-fold)

1.07

1.13

1.19

1.20

1.90

R. prolixus

       

Salivary glands

Samples after blood feeding

Gene name

18S

ACT

TUB

GAPDH

L26

  

Geo mean (CT)

12.03

19.09

20.00

22.18

23.05

  

Min-max (CT)

11.75-12.34

18.49-19.89

19.19-20.94

21.21-23.48

21.00-24.87

  

Std dev (± CT)

0.23

0.46

0.47

0.65

1.17

  

Std dev (± x-fold)

1.17

1.38

1.39

1.56

2.24

 

Samples after T. rangeli infection

Gene name

18S

ACT

GAPDH

TUB

L26

  

Geo mean (CT)

11.47

18.68

20.52

18.45

22.94

  

Min-max (CT)

11.31-11.69

18.42-18.97

20.02-21.53

17.64-19.33

21.47-23.65

  

Std dev (± CT)

0.11

0.19

0.26

0.39

0.49

  

Std dev (± x-fold)

1.08

1.14

1.20

1.31

1.41

  1. [CT], cycle threshold; Geo Mean [CT], geometric mean [CT]; Min-max [CT], extreme values of CT; Std dev [± CT], standard deviation [± CT]; Std dev [± x-fold], standard deviation of the absolute regulation coefficients