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Table 1 Characteristics of physiological and biochemical assays of strain CD-9

From: Biodegradation and metabolic pathway of fenvalerate by Citrobacter freundii CD-9

Characteristic

Result

Characteristic

Result

Liquid culture

Turbid liquid

Gram staining

Negative

Methyl red

+

Oxidase

−

Sportiness

+

Nitrate

+

Catalase

+

Indole

−

Hydrogen sulfide

+

VP test

−

Gelatin liquefaction

−

Esculin hydrolysis

−

Ornithine decarboxylase

−

Lysine decarboxylase

−

  1. +, tested positive/utilized as substrate; −, tested negative/unutilized as substrate