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. 1990;30(2):99-104.
doi: 10.1002/jobm.3620300209.

Ultrastructure of a Bacillus sp. strain KL8 isolated from indoor dust

M Kari  1 , R Rönkkö, A Valtonen, H Piiparinen, M Kukkonen, T Pöyry, L Nohynek, E L Nurmiaho-Lassila, K Lounatmaa
Affiliations

Ultrastructure of a Bacillus sp. strain KL8 isolated from indoor dust

M Kari et al. J Basic Microbiol. 1990.

Abstract

A motile Gram-positive bacterial strain (KL8) was isolated from indoor dust. It was identified by API-test50 CHB as a species of Bacillus. This Bacillus sp. strain KL8 was described using different electron microscopic techniques: negative staining, thin sectioning, metal shadowing and freeze-etching. An additional surface layer (S-layer) was the outermost layer of the cell wall of this flagellated bacterium. The hexagonally arranged protein lattice covering the cells had a lattice constant about 9-10 nm, which falls in the same range as that of Bacillus anthracis.

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