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Transmission electron photomicrograph of Vibrio fluvialis-like strain 1AMA stained with (A) and without (B) Alcian Blue and lysine. Note the thickened but extensive fibrous, electron-dense matrix formed by the condensation of the capsular glycocalyx when stained with Alcian Blue and lysine. Compare panel A with panel B to visualize the effect of Alcian Blue and lysine staining. Bars, 0.25 μm.
