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Table 1 Physiological and biochemical characteristics of strain X2, X3, X21

From: Screening of phosphate-solubilizing bacteria and their abilities of phosphorus solubilization and wheat growth promotion

Project

Gram Staining

Aerobic test

Contact enzyme test

M.R test

V-Ptest

Starch hydrolysis

Gelatin Liquefaction

Nitrate reduction

Citrate Utilization

X2

-

Facultative anaerobic

 + 

-

 + 

 + 

 + 

 + 

-

X3

 + 

Aerobic or facultative anaerobic

 + 

-

 + 

 + 

 + 

 + 

-

X21

-

Obligate aerobic

-

-

-

-

-

-

 + 

  1. Note: + :positive reaction; -:negative reaction
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BMC Microbiology

ISSN: 1471-2180

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