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Microbial cellulose is a form of cellulose that is produced by bacteria.
Additional recommended knowledge
Bacteria from the species of Aerobacter, Acetobacter, Achromobacter, Agrobacterium, Alacaligenes, Azotobacter, Pseudomonas, Rhizobium and Sarcina synthesize cellulose. However, only the Acetobacter species produce enough cellulose to justify commercial interest. The most extensively studied member of the Acetobacter species is A. xylinus, formerly known as A. xylinum.
A.xylinus extrudes glucan chains from pores into the growth medium. These aggregate into microfibrils, which bundle to form microbial cellulose ribbons.Various kinds of sugars are used as substrate. Production occurs mostly at the interface of liquid and air. This is due to the high oxygen demand of the Acetobacter.
Advantages Over Plant Cellulose
Some advantages of microbial cellulose over plant cellulose include:
Disadvantages for Commercial Use
Some issues that prevented larger scale commerciaization so far include:
Potential Future Improvements
Potential and Current Products
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Microbial_cellulose". A list of authors is available in Wikipedia.