Affiliation:
1. Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543
Abstract
The cell wall structure, arrangement of photosynthetic membranes, and the attachment of flagella of
Ectothiorhodospira mobilis
strain 8112 were examined by using freeze-etching and conventional electron microscopic techniques. The outer coat of the multilayered cell wall is comprised of 50 A repeating subunits, arranged in a regular array. The photosynthetic membranes, which originate from and are attached to the plasma membrane, are arranged in a more complex pattern than previously seen in other bacteria. The tuft of flagella in
E. mobilis
is inserted into a polar organelle. The relationship of this organelle to the polar membrane and the mechanism of attachment of the flagella to the polar organelle is discussed.
Publisher
American Society for Microbiology
Subject
Molecular Biology,Microbiology
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