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. 2010 May 19;10:145. doi: 10.1186/1471-2180-10-145

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Copyright ©2010 Breglia et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Transmission electron micrographs (TEM) of Bihospites bacati n. gen. et sp. showing intracellular bacteria and extrusomes. A. TEM showing a cell containing numerous intracellular bacteria (arrowheads) within vacuoles. B. Transverse TEM showing a battery of extrusomes (arrows) (A, B, bar = 500 nm). C. High magnification TEM of extrusomes showing a dense outer region (arrowhead) and a granular core containing a lighter cruciform structure (white arrow). Black arrow denotes the plasma membrane of the host (bar = 100 nm). D. TEM showing a longitudinal section of an extrusome; the proximal end is indicated with a black arrow. Arrowheads denote rod-shaped bacteria on the cell surface (bar = 500 nm).