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Helicobacter pylori colonized on the surface of regenerative epithelium, stained with the Warthin–Starry method. Clusters of bacteria (arrow) shown on Warthin–Starry stain. The Warthin–Starry stain (WS) is a silver nitrate-based staining method (a silver stain) used in histology.
Helicobacter pylori is a species of gram-negative bacteria in the Helicobacter genus. [23] About half the world's population is infected with H. pylori but only a few strains are pathogenic. H pylori is a helical bacterium having a predominantly helical shape, also often described as having a spiral or S shape.
Alcian yellow is used in histology in conjunction with toluidine blue to help visualize H. pylori. [1] The resulting structures are stained as follows: [2] – Mucin: yellow – H. pylori: blue – Other cellular components/background: shades of blue
This is useful for the detection of for example Helicobacter pylori from gastric and pyloric specimens. [5] Due to its short staining time, Diff-Quik stain is often used for initial screening of cytopathology specimens.
It is also used to find Helicobacter pylori. [1] Intestinal mucins also take up the stain although not as strongly as Campylobacter-like organisms. [2] Cresyl violet is used to stain Heinz bodies in red blood corpuscles or for staining of the neurons in the brain and spinal cord. It is used to demonstrate the Nissl substance in the neurons and ...
Helicobacter heilmannii sensu lato (i.e. H. heilmanni s.l.) is a grouping of non-H. pylori Helicobacter species that take as part of their definition a similarity to H. pylori in being associated with the development of stomach inflammation, stomach ulcers, [11] duodenum ulcers, [12] stomach cancers that are not lymphomas, and extranodal ...