Mannans


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Related to Mannans: hemicellulose, Galactans

Mannans

 

natural polysaccharides, reserve and structural, composed primarily of mannose radicals.

Mannans are present in bacteria, yeast, saprophytic and other fungi, algae, and higher plants, where they form part of the cell wall. Studies of yeast and bacteria have shown that mannans are biosynthesized with the participation of energy-rich nucleoside diphosphates, from which the mannose radical is transferred to a lipid carrier and, subsequently, to the polysaccharide chain being formed. Partial enzymic hydrolysis of mannans takes place upon the action of the enzyme α-mannosidase.

REFERENCES

Khimiia uglevodov. Moscow, 1967.
Frey-Wyssling, A., and K. Mühlethaler. Ul’trastruktura rastitel’noi kletki. Moscow, 1968. (Translated from English.)
References in periodicals archive ?
The chimera was localized in the Golgi stacks in a functional organization since an increase in mannan synthesis was quantified in transformed protoplasts.
To assay mannan synthase activity, protoplasts were suspended and sonicated in 0.1 M sodium-phosphate buffer (pH 7.2) containing 10 mM Mg[Cl.sub.2], 1mM dithiothreitol, 0.4 M sucrose, and 1% bovine serum albumin.
AtCslA2 is a member of Arabidopsis CslA gene family encoding for a putative mannan synthase.
(1985) Immunochemical study on the mannans of Candida albicans NIH A-207, NIH B-792, and J-1012 strains prepared by fractional precipitation with cetyltrimethylammonium bromide.
(1992) Structural identification of an epitope of antigenic factor 5 in mannans of Candida albicans NIH B 792 (serotype B) and J-1012 (serotype A) as 0-1,2 linked oligomannosyl units.
(1969) Method for fingerprinting yeast cell wall mannans. J.
According to locals, some union council chairmen were also not happy with Mannan and had even attempted tolaunch a campaign against the PML-N candidate.
They alleged that Mannan had always ditched the party workers when they needed his support.
Mannan had won the last general elections from NA-83 (now NA-109).
Flavonoids and mannan oligosaccharides in broiler diets.
Intestinal structure and function of broiler chickens on diets supplemented with a mannan oligosaccharide.
The effects of mannan oligosaccharide, bambermycin and virginiamycin on performance of large white male turkeys toms.