definition of bacillus
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- : any of a genus (Bacillus) of rod-shaped gram-positive usually aerobic bacteria producing endospores and including many saprophytes and some parasites (as B. anthracis of anthrax); broadly: a straight rod-shaped bacterium. 2. : bacterium; especially: a disease-producing bacterium.
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- Bacillus thuringiensis (Bt) is a spore forming (flash animation) bacterium that produces crystals protein (cry proteins), which are toxic to many species of insects.t is largely used in agriculture, especially organic farming. Bt is also used in urban aerial spraying programs, and in transgenic crops. To learn more about each of these topics, click on the corresponding link on the left.
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Bacteriocidal, bacteriostatic Bacteriocidal is a term that refers to the treatment of a bacterium such that the organism is killed. Bacteriostatic refers to a treatment that restricts the ability of the bacterium to grow. Bacteriocidal methods include heat, filtration, radiation, and the exposure to chemicals.
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Bacillus species M ICROBIOLOGY. Bacillus spp are aerobic spore forming rods that stain gram positive or gram variable. Except for few species the large majority have no pathogenic potential and have never been associated with disease in man or animals.Members of the genus have significant microbiological uses (42). ICROBIOLOGY. Bacillus spp are aerobic spore forming rods that stain gram positive or gram variable. Except for few species the large majority have no pathogenic potential and have never been associated with disease in man or animals. Members of the genus have significant microbiological uses (42).
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Bacillus subtilis: Soil Organism or Probiotic? Or Both? Bacillus subtilis: Soil Organism or Probiotic? Bacillus subtilis means thin and rod-shaped and it was first discovered in the 1870’s. It is one of the best-characterized species of all the Gram-positive bacteria. Like other Bacillus species, it forms endospores when conditions are not favorable.
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Bacillus cereus From Wikipedia, the free encyclopedia. Bacillus cereus is an endemic, soil-dwelling, Gram-positive, rod-shaped, motile, beta hemolytic bacterium. Some strains are harmful to humans and cause foodborne illness, while other strains can be beneficial as probiotics for animals.t is the cause of  fried rice syndrome, as the bacteria are classically contracted from fried rice dishes that have been sitting at room temperature for hours (such as at a buffet). B. cereus bacteria are facultative anaerobes, and like other members of the genus Bacillus, can produce protective endospores.
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Bacillus coagulans Bacillus coagulans is a lactic acid-forming bacterial species within the genus Bacillus. The organism was first isolated and described as Bacillus coagulans in 1915 by B.W. Hammer at the Iowa Agricultural Experiment Station as a cause of an outbreak of coagulation in evaporated milk packed by an Iowa condensary.he organism was first isolated and described as Bacillus coagulans in 1915 by B.W. Hammer at the Iowa Agricultural Experiment Station as a cause of an outbreak of coagulation in evaporated milk packed by an Iowa condensary.
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What is B. cereus? Bacillus cereus is a spore-forming bacterium that can be frequently isolated from soil and some food. 1 B. cereus spores are more resistant to heat and chemical treatments than vegetative pathogens such as Salmonella, E. coli, Campylobacter, and Listeria monocytogenes.
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- Bacillus thuringiensis: The Group of Bacteria. Bacillus thuringiensis comprises a group of aerobic, Gram-positive, spore-forming bacteria closely related to Bacillus cereus (1, 2). As a group, B. thuringiensis contains 58 recognized flagellar serotypes and several aflagellar
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Bacillus cereus Bacillus cereus is a Gram-positive, rod-shaped, aerobic, motile, beta hemolytic bacterium commonly found in soil and food. Some strains are harmful to humans and cause foodborne illness, while other strains can be beneficial as probiotics for animals. It is the cause of fried rice syndrome, as the bacteria are classically contracted from fried rice dishes that have been sitting at room temperature for hours. B. cereus bacteria are facultative anaerobes, and like other members of the genus Bacillus, can produce protective endospores.
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Lactobacillus acidophilus Lactobacillus acidophilus (New Latin 'acid-loving milk-bacillus') is a species of gram positive bacteria in the genus Lactobacillus. L. acidophilus is a homofermentative, microaerophilic species, fermenting sugars into lactic acid, and grows readily at rather low pH values (below pH 5.0) and has an optimum growth temperature of around 37 °C (99 °F).
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Online Biology Dictionary Online Biology Dictionary. Above: Cellular growth (elongation) and binary fission of bacilli. Blue and red lines indicate old and newly-generated bacterial cell wall, respectively. 1: growth at the center of bacterial cell (as in Bacillus subtilis or E. coli). 2: Apical growth (as in Corynebacterium diphtheriae). Staphylococcus aureus.
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Bacilli: Definition, Types & Examples Definition of Bacilli. In 2001, bacterial spores that cause anthrax were sent to several agencies and individuals through the US postal system. This resulted in five deaths and 17 additional infections.he class of bacteria known as Bacilli has two orders: Bacillales and Lactobacillales. Let's take a look at each of these orders. But, before we get started, let's clear up some areas that get a little sticky. 1  Bacilli is a class of bacteria (this will be the focus of the lesson).
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bioremediation bacteria - (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants.
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Bacillus anthracis Bacillus anthracis is a Gram-positive, rod-shaped bacterium, 1 - 1.2µm in width and 3 - 5µm in length. It lives in soils worldwide at mesophilic temperatures (10).It can be grown in aerobic or anaerobic conditons (facultative anaerobe) in a medium with essential nutrients, including carbon and nitrogen sources (7).t is similar to Bacillus cereus, Bacillus subtilis, and Bacillus thuringiensis in cellular size, morphology, and spore formation (7). Bacillus anthracis is an important organism to study genome sequence because it's used as a biological weapon (1). Genome sequencing can also be useful for the development of vaccines.
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What kind of rice should I feed my dog? · just now. 1  When my dog had diarrhea the vet recommended just good old plain white rice, steamed or boiled. 2  I have had this problem also. 3  I use Natures Variety for my 2 young Shelties and 17 year old Sheltie. 4  Boiled brown rice & boiled chicken. 5  white rice and boil the chicken. 6  white. 7  white. 8  grill, and any kind of rice.
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Bacillus subtilis Synonym(s): grass bacillus, hay bacillus. a genus of bacteria that are gram-positive, aerobic, spore-forming rods. With the exception of B. anthracis and the occasional wound contamination and bovine mastitis caused by B. cereus, the organisms are largely saprophytic and do not cause disease.However, they may invade devitalized tissue. genus of bacteria that are gram-positive, aerobic, spore-forming rods. With the exception of B. anthracis and the occasional wound contamination and bovine mastitis caused by B. cereus, the organisms are largely saprophytic and do not cause disease. However, they may invade devitalized tissue.
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Lactobacillus acidophilus Lactobacillus acidophilus (New Latin 'acid-loving milk-bacillus') is a species of gram positive bacteria in the genus Lactobacillus. L. acidophilus is a homofermentative, microaerophilic species, fermenting sugars into lactic acid, and grows readily at rather low pH values (below pH 5.0) and has an optimum growth temperature of around 37 °C (99 °F). L. acidophilus occurs naturally in the human and animal gastrointestinal tract and mouth.
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Bacillus species Examples of antibiotics formed by Bacillus spp include bacitracin by B. licheniformis or B. subtilis, polymyxin by B. polymyxa and gramicidin by B. brevis. Certain strains of Bacillus have been utilized as biological controls in antibiotics and other assays.
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Bacillus anthracis Bacillus anthracis is the etiologic agent of anthrax —a common disease of livestock and, occasionally, of humans—and the only obligate pathogen within the genus Bacillus. B. anthracis is a Gram-positive, endospore-forming, rod-shaped bacterium, with a width of 1.0–1.2 µm and a length of 3–5 µm. It can be grown in an ordinary nutrient medium under aerobic or anaerobic conditions.
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Bacillus cereus From Wikipedia, the free encyclopedia. Bacillus cereus is an endemic, soil-dwelling, Gram-positive, rod-shaped, motile, beta hemolytic bacterium. Some strains are harmful to humans and cause foodborne illness, while other strains can be beneficial as probiotics for animals.It is the cause of  fried rice syndrome, as the bacteria are classically contracted from fried rice dishes that have been sitting at room temperature for hours (such as at a buffet).B. cereus bacteria are facultative anaerobes, and like other members of the genus Bacillus, can produce protective endospores.ome strains are harmful to humans and cause foodborne illness, while other strains can be beneficial as probiotics for animals. It is the cause of  fried rice syndrome, as the bacteria are classically contracted from fried rice dishes that have been sitting at room temperature for hours (such as at a buffet).
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tuberculosis An infectious disease of humans and animals caused by the tubercle bacillus and characterized by the formation of tubercles on the lungs and other tissues of the body, often developing long after the initial infection.
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Bacillus 1 a genus of aerobic, gram-positive, or facultatively anaerobic, spore-forming, rod-shaped microorganism of the family Bacillaceae, order Eubacteriales. The genus includes 34 species, 3 of which are pathogenic and the rest saprophytic soil forms; 25 species are considered medically important.
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- Bacillus stearothermophilus. Definition. noun. A rod-shaped, endospore-forming, Gram-positive bacterium that belongs to the division Firmicutes. Supplement. It is thermophile, and lives mostly in soil, hot springs, and ocean sediments. It can also cause spoilage in food products.
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Bacillus For the insect genus, see Bacillus (insect) . Gram stain of a Bacillus species. Bacillus is a genus of Gram-positive, rod-shaped (bacillus) bacteria and a member of the phylum Firmicutes. Bacillus species can be obligate aerobes (oxygen reliant), or facultative anaerobes (having the ability to be aerobic or anaerobic). They will test positive for the enzyme catalase when there has been oxygen used or present.
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- Usage. Bacteria is the plural form (derived from Latin) of bacterium. Like any other plural it should be used with the plural form of the verb: the bacteria causing salmonella are killed by thorough cooking, not the bacteria causing salmonella is killed by thorough cooking.his modern Latin term is formed from Greek baktērion ‘little staff’; the first bacteria to be discovered were rod-shaped. The word bacillus (late 19th century), a pathogenic bacterium, also meant ‘little rod’ in late Latin. Bacillus is also behind the French word debacle, adopted into English in the early 19th century.