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metal prints scanning electron micrograph metal prints sem metal prints micrograph metal prints micrography metal prints microscopy metal prints gram-negative metal prints legionella pneumophila metal prints bacteria metal prints l. pneumophila metal prints legionella metal prints legionnaire's disease metal prints false color metal prints

photographs scanning electron micrograph photos sem photos micrograph photos micrography photos microscopy photos gram-negative photos legionella pneumophila photos bacteria photos l. pneumophila photos legionella photos legionnaire's disease photos false color photos

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Scanning electron micrograph SEM) of a number of a large grouping of Gram-negative Legionella pneumophila bacteria. Note the presence of polar flagella, and pili, or long streamers. a number of these bacteria seem to display an elongated-rod morphology. L. pneumophila are known to most frequently exhibit this configuration when grown in broth, however, they can also elongate when plate-grown cells age, as it was in this case, especially when they've been refrigerated. The usual L. pneumophila morphology consists of stout, "fat" bacilli, which is the case for the vast majority of the organisms depicted here. Mag., x8000