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Bacterial extracellular polysaccharides [PDF]
Canadian Journal of Microbiology, 1988 The synthesis of extracellular polysaccharides has been recognized in certain bacterial cultures since the 1880s. It is now apparent that a wide range of bacteria produce these polymers and an equally wide range of chemical structures are possible.
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Bacterial Polysaccharides: An Overview [PDF]
, 2014 Bacterial cell wall and membrane are associated with a variety of glycoconjugates and polysaccharides which aids in structural formation as well as performing various functions in the bacterial cell. In gram-negative bacteria, peptidoglycan is majorly present in the periplasmic space and it provides mechanical strength as well as shape to the cell.
Swati Misra +2 more
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Bacterial Extracellular Polysaccharides
2011Extracellular polysaccharides are as structurally and functionally diverse as the bacteria that synthesise them. They can be present in many forms, including cell-bound capsular polysaccharides, unbound "slime", and as O-antigen component of lipopolysaccharide, with an equally wide range of biological functions. These include resistance to desiccation,
Bazaka, Kateryna +3 more
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Adsorption of Bacterial Polysaccharides to Erythrocytes
Nature, 1948WE recently reported that saline extracts of smooth strains of Haemophilus influenzae (Type b) contain a substance adsorbable to erythrocytes1. Cells treated with such extracts are agglutinated by type-specific antisera. A sample of the type-specific polysaccharide, prepared by the method of Dingle and Fothergill2, absorbed from immune sera their power
E. A. North +2 more
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Function of Bacterial Polysaccharides in the Soil
Nature, 1946MOST aerobic micro-organisms such as B. subtilis, B. megatherium, Leuconostoc species, Rhizobia, etc., are capable under favourable cultural conditions of producing highly viscous polysaccharides either as heavy capsular material or as extracellular products.
M. Stacey, Pinkard Fw, W. N. Haworth
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Imaging bacterial polysaccharides by AFM [PDF]
Polymer Bulletin, 1995 Atomic force microscopy has been used to image the bacterial polysaccharides xanthan, acetan and gellan. Images were obtained under constant force conditions in a liquid cell. Drops of dilute solutions of the polysaccharides were deposited onto freshly cleaved surfaces of mica and allowed to dry in air.
B. Wells +4 more
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Bacterial Polysaccharide Capsules
2010A common feature of many bacteria is the expression of a layer of extracellular polysaccharide usually organised into a discrete structure termed the capsule. The expression of a capsule results in the coating of the bacterium in a hydrated shell of high molecular weight polysaccharide molecules that mediate interactions between the bacterial cell and ...
Corbett, David +2 more
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Components of Bacterial Polysaccharides
ChemInform, 1990AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
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1983
Publisher Summary This chapter discusses bacterial polysaccharides. The bacterial polysaccharides make up a group of polymers in which the structural variation is almost unlimited, and unusual sugars are often the components of these polymers. Some bacterial polysaccharides are commercially important and produced industrially.
Lennart Kenne, Bengt Lindberg
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Publisher Summary This chapter discusses bacterial polysaccharides. The bacterial polysaccharides make up a group of polymers in which the structural variation is almost unlimited, and unusual sugars are often the components of these polymers. Some bacterial polysaccharides are commercially important and produced industrially.
Lennart Kenne, Bengt Lindberg
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Pharmacology of pyrogenic bacterial polysaccharides
Bulletin of Experimental Biology and Medicine, 1957Certain aspects of the pharmacodynamics of bacterial pyrogenic polysaccharides were studied in this work. It was established that there is an increase of the body temperature in animals, which lasts for 6–7 hours, following parenteral administration of this preparation in the dose from 1γ per kilogram and over.
P P Saksonov, P V Vasil'ev
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