TABLE 1.

Comparison of standard ecological and molecular estimates of sequence diversity for the human mouth and gut

CommunityDiversity estimate
No. of distinct sequencesNo. of OTUsaShannon-Weiner indexGene diversityNucleotide diversityθ(π)b
Mouth59123 (93, 180)c3.180.958 ± 0.0040.32 ± 0.15341.7 ± 162.1
Gut63135 (110, 170)3.500.960 ± 0.0040.30 ± 0.14154.8 ± 73.6
  • a Data from reference 5.

  • b The values are not directly comparable because different numbers of nucleotide positions were examined.

  • c The values in parentheses are the 95% confidence limits.