Affiliation:
1. Division of Laboratories and Research, New York State Department of Health, Albany, New York
Abstract
Gordon, Morris
A. (Division of Laboratories and Research, New York State Department of Health, Albany),
and Mercedes R. Edwards
. Micromorphology of
Dermatophilus congolensis
. J. Bacteriol.
86:
1101–1115. 1963.—As seen in electron micrographs of thin sections,
Dermatophilus congolensis
is a holocarpic actinomycete that fragments, after formation of septa in several planes, into
Sarcina
-like packets and then into individual cocci. Release of coccal forms from the filaments and packets is by dissolution of a capsular matrix, which is a product of degradation of the cell wall. The plasmalemma is a “unit membrane.” Regularly occurring plasmalemmosomes (“onion bodies”) of uniform structure are apparently related to septum formation. A typical bacterial nucleoid is seen in most sections, and ribosomes are scattered throughout the cytoplasm. Specimens for electron microscopy were prepared by a modification of Kellenberger's method.
Publisher
American Society for Microbiology
Subject
Molecular Biology,Microbiology
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