You searched for: Bacteria - Living Material

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Includes Examples of the Three Basic Morphological Types

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Students determine contamination levels of ground beef in different environments.

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Three Morphology Types in One Tube

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Everything you need to safetly collect and culture bacteria and fungi from your environment

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Produces orange pigments. 

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Ward's Science is not endorsed by or affliated with FOSS curriculum in any way.

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This pathogenic organism is sometimes isolated from hay and grass.

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Hemolysis, the rupture of red blood cells, is induced by certain species of streptococcal bacteria that produce extracellular hemolysin.  Observe this phenomenon with this set of 3 non-pathogenic species

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Found on dental plaque, implicated in cavities. No Lancefield group shown, gamma hemolysis. 

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Grows on dead tissues. Novobiocin resistant (S. epidermidis and S. aureus novobiocin sensitive). 

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Ward's® Live Escherichia coli, Lactose Negative Culture

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Isolated from the alimentary tract of cows. Lancefield group D, gamma hemolysis. May be pathogenic in humans. 

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This organism is commonly isolated from human nasopharyngeal mucosa

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This filamentous cyanobacteria is comprised of heterocysts and akinetes that are terminally located on the filament.

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Capsules produced in milk. Psychrophilic (prefers low temperatures), produces yellow pigments. 

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Produces streptomycin. Branching mycelium and coenocytic hyphae. 

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Isolated from human saliva, sputum, and intestine. No Lancefield group shown, alpha hemolysis.

Supplier: AMERICAN TYPE CULTURE COLL.

A Common Intestinal Flora Isolate, Demonstrates Alpha Hemolysis on Blood Agar Growth Medium

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From soil and water rich in minerals. Organism of putrefaction.

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The presence of A. viscolactis in milk is a common cause for sliminess or "ropiness".

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Ward's Science is not endorsed by or affliated with FOSS curriculum in any way.

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Ames test strain for detecting carcinogens. Causes infection in humans. 

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Isolated from human nasopharynx, saliva, and sputum. Spontaneously agglutinates in saline.

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Isolated from milk and cheese products. Can be used to ferment milk. 

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Fascinate students with some of the simplest light-producing organisms

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Isolated from human nasopharynx. Presumably not related to N. sicca; some relation to N. gonorrhoeae. Often agglutinates in saline. 

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Eschericia coli culture that produces GFP, visible in the presence of UV light.

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This yellow, shiny organism is known to cause wound infections and more famously, toxic shock syndrome.

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All microbial cultures undergo an extensive quality control program prior to releasing for sale, so they are guaranteed for purity as well as for species.

Supplier: AMERICAN TYPE CULTURE COLL.

Isolated from human urinary tract and wound infections, this organism is identifiable by its characteristic putrefactive odor.