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Violet-stained gram-positive cocci and pink-stained gram-negative bacilli In bacteriology , gram-positive bacteria are bacteria that give a positive result in the Gram stain test, which is traditionally used to quickly classify bacteria into two broad categories according to their type of cell wall .
Bacillus, any of a genus of rod-shaped, gram-positive, aerobic or (under some conditions) anaerobic bacteria widely found in soil and water. Some types of Bacillus bacteria are harmful to humans, plants, or other organisms. Learn about the features and types of Bacillus bacteria in this article.
Bacillus subtilis, 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.
Species. Taxonomy. Phylogeny. Human health. Vaginal tract. Interactions with pathogens. Probiotics. Oral health. Food production. See also. References. External links. Lactobacillus is a genus of gram-positive, aerotolerant anaerobes or microaerophilic, rod-shaped, non- spore -forming bacteria.
Bacillus cereus is a Gram-positive rod-shaped bacterium commonly found in soil, food, and marine sponges. The specific name, cereus , meaning "waxy" in Latin , refers to the appearance of colonies grown on blood agar .
Cohn, 1872. Bacillus is a genus of rod shaped bacteria. They are Gram-positive, meaning they have an extra outside cell layer. Bacilli are partly or wholly aerobic. They do aerobic respiration. They are every where in nature. Bacillus includes both free-living (non-parasitic) and parasitic pathogenic species. [1]
References. Bacillus (shape) Gram stained. A bacillus (plural bacilli) is a rod-shaped cylindrical bacterium. [1] . Bacilli are found in many different taxonomic groups of bacteria. When the name Bacillus is capitalized and italicized, it refers to a specific genus of bacteria. [2]
