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[Ultrastructural organizational characteristics of the hydrogen thermophilic bacterium, Pseudomonas thermophila].

Authors
  • Kostrikina, N A
  • Emnova, E E
  • Biriuzova, V I
  • Romanova, A K
Type
Published Article
Journal
Mikrobiologiia
Publication Date
Jan 01, 1981
Volume
50
Issue
2
Pages
268–271
Identifiers
PMID: 7242392
Source
Medline
License
Unknown

Abstract

The ultrastructural organization of the lithotrophic hydrogen bacterium Pseudomonas thermophila K2 was described for the first time and was found to be typical of Gram-negative bacteria. The ultrastructure of this organism is characterized by (i) irregular plication of the outer membrane of the cell wall and a very thin (2-3 nm) rigid layer; (ii) a considerable number of intracellular membranes differing in their structure and location; (iii) fragmentation of the cytoplasm involving the plasmalemma and the cell wall; (iv) the presence, in the nucleoid zone, of paracrystals having a hexagonal shape and resembling carboxysomes in their size, shape and macromolecular organization, which had not been found in hydrogen bacteria hitherto.

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