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Endospore staining is a technique used in bacteriology to identify the presence of endospores in a bacterial sample. [1] Within bacteria, endospores are protective structures used to survive extreme conditions, including high temperatures making them highly resistant to chemicals. [ 2 ]
The position of the endospore differs among bacterial species and is useful in identification. The main types within the cell are terminal, subterminal, and centrally placed endospores. Terminal endospores are seen at the poles of cells, whereas central endospores are more or less in the middle.
The Schaeffer–Fulton stain is a technique designed to isolate endospores by staining any present endospores green, and any other bacterial bodies red. [1] The primary stain is malachite green , and the counterstain is safranin , which dyes any other bacterial bodies red.
Below is a list of differential techniques and results that can help to identify Bacillus licheniformis from other bacteria and Bacillus species. [27] Anaerobic Growth: Positive; Voges Proskauer test: Positive; Acid produced from D-glucose: Positive; L-arabinose: Positive; D-mannitol: Positive; Starch hydrolysis: Positive; Nitrate reduction ...
Bacillus subtilis (/ b ə ˈ s ɪ l. ə s s u b ˈ t iː. l i s /), [3] [4] known also as the hay bacillus or grass bacillus, is a gram-positive, catalase-positive bacterium, found in soil and the gastrointestinal tract of ruminants, humans and marine sponges.
Rosacea. What it looks like: Rosacea causes redness and thick skin on the face, usually clustered in the center.Easy flushing, a stinging sensation, and small, pus-filled pimples are other common ...
Clostridium septicum is a large, gram-positive, rod-shaped bacterium that is a member of the normal gut flora in humans as well as other animals. [4] C. septicum are spore formers, with a terminal spore that gives them their drumstick-like shape. [5] They are also motile bacteria, using peritrichous flagellae to navigate from one environment to ...
What they look like: Chiggers, a type of small mite, typically leave clusters of bites that are often very itchy. In many cases, chigger bites appear as small, red and itchy bumps. Sometimes, they ...