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. 2008 Jul 25;74(18):5653–5661. doi: 10.1128/AEM.01107-08

TABLE 3.

Genetic diversity of S. medicae and S. meliloti populations from soil trapping

Locus No. of samplesa Genotypic diversityb
Nucleotide diversityc
R H S L π θw Tajima's D
S. medicae 209
    IGSNOD 4 0.18 4 253 0.0004 0.0527 −1.2951d
    typA 1 0 0 227 0 0 NC
    virB11 1 0 0 167 0 0 NC
    avhB11 1 0 0 0 0 0 NC
    Multilocus 4 0.18
S. meliloti 15
    IGSNOD 4 1.16 6 253 0.0056 1.5887 −1.0095
    typA 4 1.40 5 227 0.0086 1.9189 0.8887
    virB11 4 0.95 2 167 0.0035 0.8728 0.2006
    avhB11 3 0.97 1 213 0.0024 0.7863 1.3004
    Multilocus 9 2.03
Sinorhizobium sp. 224
    Multilocus 13 0.55
a

Number of isolates.

b

R, allelic richness; H, Nei's diversity index.

c

S, number of polymorphic sites; L, number of analyzed sites; π, the estimator of nucleotidic diversity; θw, Watterson's estimate of the scaled mutation rate; NC, not calculable.

d

P ≤ 0.05.