Chemical Morphology of Glucan and Chitin in the Cell Wall of the Yeast Phase of Paracoccidioides brasiliensis

Author:

Carbonell L. M.1,Kanetsuna F.1,Gil F.1

Affiliation:

1. Department of Microbiology, Instituto Venezolano de Investigaciones Cientificas, Apartado 1827, Caracas, Venezuela

Abstract

Short and thick fibers were observed on the outer surface of the yeast phase of Paracoccidioides brasiliensis , and long and thin fibers were seen on the inner surface. The long fibers disappear with chitinase treatment and are composed of chitin. The short fibers disappear under alkali treatment and are composed of α-glucan. Comparisons with α-(1 → 3)-glucan isolated from Aspergillus niger and Polyporus betulinus and with chitin from fungal origin support our point of view.

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

Reference17 articles.

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2. An electron microscopic X-ray analysis of the walls of selected lower Phycomycetes;Aronson J. M.;Proc. Roy. Soc. Ser. B Biol. Sci.,1960

3. The location of chitin in the yeast cell wall;Bacon J. S. D.;Biochem. J.,1960

4. The occurrence of a(l -. 3) glucan in Cryptococcus, Schizosaccharomyces and Polyporus species, and its hydrolysis by a Streptomyces culture filtrate Iysing cell walls of;Bacon J. S. D.;Cryptococcus. Biochim. Biophys. Acta,1968

5. Cell wall chemistry, morphogenesis and taxonomy of fungi;Bartnicki-Garcia S.;Ann. Rev. Microbiol.,1968

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