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Table 3 Statistically relevant biochemical tests for the differentiation of proposed Cronobacter species and subspecies.

From: The taxonomy of Enterobacter sakazakii: proposal of a new genus Cronobacter gen. nov. and descriptions of Cronobacter sakazakii comb. nov. Cronobacter sakazakii subsp. sakazakii, comb. nov., Cronobacter sakazakii subsp. malonaticus subsp. nov., Cronobacter turicensis sp. nov., Cronobacter muytjensii sp. nov., Cronobacter dublinensis sp. nov. and Cronobacter genomospecies 1

   Dul Ind Malo AMG
Cronobacter sakazakii subsp. sakazakii (163)§ - - - +
Cronobacter sakazakii subsp. malonaticus (22) - - + +
Cronobacter muytjensii (7) + + + -
Cronobacter dublinensis (8) - + v +
Cronobacter turicensis (8) + - + +
Cronobacter genomospecies 1 (2) + - + +
  1. §number of isolates; Dul, production of acid from dulcitol; Ind, production of indole; Malo, malonate utilization; AMG, production of acid from methyl-α-D-glucoside; +, 85–100% positive; v, 15–85% positive; -, less than 15% positive.