Table 4 The properties of DNA extracted by six DNA extraction procedures (M1 to M6).

From: Impact of DNA extraction method and targeted 16S-rRNA hypervariable region on oral microbiota profiling

Method

A260/A280

A260/A230

Total bacterial copy number (log)

M1

1.78 ± 0.03

1.95 ± 0.06

6.6 ± 0.25

M2

1.86 ± 0.01

2.12 ± 0.04

7.25 ± 0.13

M3

1.87 ± 0.02

2.13 ± 0.03

8.51 ± 0.15

M4

1.86 ± 0.01

2.12 ± 0.05

7.76 ± 0.11

M5

186 ± 0.02

2.11 ± 0.04

7.67 ± 0.15

M6

1.85 ± 0.02

2.08 ± 0.04

7.65 ± 0.13

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