TABLE 3

β-Diversitya

DNA reaction concn
(ng/μl)
Bray-Curtis distanceUnweighted UniFrac distanceWeighted UniFrac distance
R2P valueR2P valueR2P value
2 × 10−10.0570.550.0670.350.1050.12
4 × 10−20.0700.200.0780.030.0990.17
8 × 10−30.0610.480.131<0.0010.275<0.001
1.6 × 10−30.1310.140.293<0.0010.402<0.001
3.2 × 10−40.3540.0040.442<0.0010.251<0.001
6.4 × 10−50.494<0.0010.473<0.0010.219<0.001
1.28 × 10−50.442<0.0010.631<0.0010.486<0.001
  • a Comparisons of each dilution with 1 ng/μl gDNA were based on permutational multivariate analysis of variance. Abbreviation: gDNA, genomic DNA.