Structure of the Chromatium Sulfur Particle and Its Protein Membrane

Author:

Nicolson Garth L.1,Schmidt Gregory L.1

Affiliation:

1. Department of Biology, University of California, San Diego, La Jolla, California 92037

Abstract

Sulfur particles extracted from Chromatium vinosum strain D were found to be bounded by a unique proteinaceous membrane. Ultrastructural examination of the membrane in Epon sections and bovine serum albumin sections and examination of negatively stained, sulfur-free membrane ghosts revealed a monomolecular sheet composed of 2.5-nm globular components. The internal sulfur was found to bind large amounts of a variety of negative stains and to form myelin-like structures upon rupture of the surrounding membrane.

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

Reference16 articles.

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3. Blue green algae. Fine structure of the gas vacuoles;Bower C. C.;Science,1965

4. Glutaraldehyde fixation of gram negative bacteria;Glauert A. M.;J. Roy. Microsc. Soc.,1966

5. X-ray diffraction studies of the sulfur globules accumulated by Chromatium species;Hageage G. J. Jr.;J. Bacteriol.,1970

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