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Bacteria - Living Material
Live specimens are used for a wide variety of studies including studying the physiological effects of drugs on a specimen’s heartbeat and temperature on metabolism, the locomotion of microscopic organisms, and studying plant respiration, photosynthesis, plosmolysis, and more. Algal cultures form colonies of cells that are extremely easy to visualize for better understanding of cell walls and plastids, and many live specimens reproduce rapidly for quick turnover between successive tests.
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Ward's® Hemolysis Set
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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Ward's® Live Mycobacterium phlei Culture - PATHOGEN
This pathogenic organism is sometimes isolated from hay and grass.
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Ward's® Live Cylindrospermum Culture
This filamentous cyanobacteria is comprised of heterocysts and akinetes that are terminally located on the filament.
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Ward's® Bacteria In Food Demonstration
Students determine contamination levels of ground beef in different environments.
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Ward's® Live Streptococcus gallolyticus Culture
Isolated from the alimentary tract of cows. Lancefield group D, gamma hemolysis. May be pathogenic in humans.
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Ward's® Live GFP producing E. coli Culture
Eschericia coli culture that produces GFP, visible in the presence of UV light.
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Ward's® Live Staphylococcus saprophyticus Culture
Grows on dead tissues. Novobiocin resistant (S. epidermidis and S. aureus novobiocin sensitive).
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Ward's® Live Salmonella enteritidis Culture - PATHOGEN
Frequent human isolate. Causes gastroenteritis.
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Ward's® Live Novosphingobium capsulatum (Flavobacterium capsulatum) Culture
Capsules produced in milk. Psychrophilic (prefers low temperatures), produces yellow pigments.
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Ward's® Live Aquaspirillium itersonii Culture
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.