Bacillus, from Latin "bacillus", meaning "little staff, wand", is a genus of Gram-positive, rod-shaped bacteria, a member of the phylum Bacillota, with 266 named species.

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, …

At least two Bacillus species, B. cereus and B. anthracis, infect humans causing food-borne illness and anthrax, respectively. These examples illustrate the usefulness of some Bacillus species and the …

The meaning of BACILLUS is any of a genus (Bacillus) of rod-shaped gram-positive usually aerobic bacteria producing endospores and including many saprophytes and some parasites (such as B. …

When the term "Bacillus" is italicized and capitalized, it refers to the genus; when it is neither, it refers to a characteristic shared by many bacteria, that of being rod-shaped. All Bacillus are bacillus, but not …

Bacillus is a genus of Gram-positive, rod-shaped bacteria capable of forming a single durable endospore within each cell. These bacteria are aerobes or facultative anaerobes and are common in soil, water …

Jun 24, 2025 · The term Bacillus refers to a large group of bacteria defined by their rod-like shape. These microbes are found in nearly every environment on Earth, from soil and water to the digestive …

Bacillus species are aerobic, sporulating, rod-shaped bacteria that are ubiquitous in nature. Bacillus anthracis, the agent of anthrax, is the only obligate Bacillus pathogen in vertebrates.

Nov 27, 2025 · Bacillus subtilis is a widely studied microorganism and a model for understanding the basic biology of Gram-positive bacteria. This bacterium is ubiquitous, found commonly in soil, …

Microorganisms from the genus Bacillus are a diverse groups of gram-positive, variable-sized rods. Colonies can vary tremendously from species to species often forming very unusual morphologies.