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Table 1 Physiological characteristics of strain XT15

From: Thermophilic fermentation of acetoin and 2,3-butanediol by a novel Geobacillus strain

Characteristics   Result
Gram staining   +
Voges-Proskauer test   +
Hydrogen sulfide production   -
Gelatin hydrolysis   +
Enzyme production Urease -
  Ornithine decarboxylase -
  Lysine dihydrolase -
  Arginine dihydrolase -
Carbohydrates tests Glucose +
  Sucrose +
  Arabinose +
  Inositol -
  Lactose -
  Rhamnose -
  Amygdalin +
  Melibiose -
  1. +, positive reaction; −, negative reaction.