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Table 2 Expected and observed relative abundance (%) of genera in mock community sample HM-783D. Setup 1 (2-step PCR; V3 V4 region); Setup 2 (2-step PCR; V4 region); Setup 3 (1-step PCR; V4 region)

From: Exploring protocol bias in airway microbiome studies: one versus two PCR steps and 16S rRNA gene region V3 V4 versus V4

Genera

Expected

Setup 1

(I)

Setup 1

(II)

Setup 1

(III)

Setup 1

(IV)

Setup 2

Setup 3

Escherichia

21.91

27.68

23.99

25.20

26.65

22.54

32.90

Rhodobacter

21.91

5.98

9.52

9.23

8.94

11.00

8.77

Staphylococcus

24.10

29.02

29.27

29.66

30.56

29.88

24.98

Streptococcus

24.12

28.51

27.39

27.03

25.38

26.20

25.81

Bacillus

2.19

3.38

2.86

2.95

2.85

3.15

2.49

Clostridium

2.19

2.18

3.28

2.19

1.88

2.64

1.69

Pseudomonas

2.19

1.44

1.68

1.75

1.93

2.12

2.02

Acinetobacter

0.22

0.32

0.29

0.33

0.30

0.29

0.12

Helicobacter

0.22

0.36

0.49

0.44

0.38

0.61

0.26

Lactobacillus

0.22

0.22

0.20

0.23

0.24

0.35

0.18

Listeria

0.22

0.33

0.33

0.30

0.32

0.37

0.26

Neisseria

0.22

0.24

0.31

0.30

0.27

0.43

0.39

Propionibacterium

0.22

0.13

0.22

0.18

0.15

0.29

0.00

Actinomyces

0.02

0.01

0.01

0.00

0.00

0.01

0.00

Bacteroides

0.02

0.02

0.00

0.03

0.02

0.04

0.02

Deinococcus

0.02

0.02

0.04

0.03

0.02

0.03

0.02

Enterococcus

0.02

0.03

0.02

0.03

0.02

0.02

0.00

Other

0.00

0.13

0.11

0.10

0.09

0.03

0.08