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Table 4 Biochemical differentiation of E. sakazakii 16S rDNA clusters.

From: The biochemical differentiation of Enterobacter sakazakii genotypes

Farmer Biogroup Phenotype a No. of strains Genomic cluster
  Ino Dul Ind   
1–5, 7–9, 13, 14 (+/-) - - 169 1
11 - + - 1 1
16 + + - 9 2
15 + + + 6 3
6, 10, 12 (+/-) - + 4 4
  1. aIno, acid production from inositol; Dul, acid production from dulcitol; Ind, indole production; (+/-), some stains positive, some strains negative, the test is used to define subgroups.