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Extensive screening for cellulose-producing bacteria was done using differential media. Fifty seven strains were isolated totally from the fruits and the vinegar, respectively; the isolate A9 strain from apples was selected and examined to determine its taxonomical characteristics. The bacterium was...

Extensive screening for cellulose-producing bacteria was done using differential media. Fifty seven strains were isolated totally from the fruits and the vinegar, respectively; the isolate A9 strain from apples was selected and examined to determine its taxonomical characteristics. The bacterium was identified as the genus Acetobacter sp_ based on morphological, cultural and biochemical properties. A9 strain produced acetic acid from ethanol and decomposed acetic acid to $CO_2$ and $H_2O$. They produced dihydroxyacetone from glycerol but did not produce y-pyrone from glucose and fructose. When A9 strain was cultivated statically in Hestrin and Schramm liquid medium(HS medium). thick cellulose pellicle was formed_ Higher cellulose production was obtained in the shaken culture using HS medium at 100 rpm.

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