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Live Specimens

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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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Catalog Number: (470179-046)

Ward's® Live Escherichia coli DH5 alpha (DH5α) Culture

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Description: This non-pathogenic strain of E. coli was initially created for cloning use.

Ward's® Live Coliphage Suspensions

Description: A collection of some of the more popular forms of coliphage. The successful culture of coliphage requires growing in the appropriate host bacterium (available separately)

Catalog Number: (470176-424)

Synura

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Description: Freshwater; elongated, biflagellate cells that form globular colonies; gelatinous sheath absent. Live Cultures are supplied with media in 16 x 125 mm tubes, 2 oz. jars, or 8 oz. jars. Fast delivery is available directly from our laboratory. Please specify a delivery date. Each culture shipment is prepared in our laboratories and includes the "Working with Algae & Cyanobacteria" manual which contains detailed instructions for subculturing and use. Canadian Customers: CFIA and PHAC regulations require customers to submit a completed inspection checklist and signed statement of facilities compliance before receiving certain cultures. A customer service representative will contact you if documentation is required.

Catalog Number: (470176-392)

Dictyostelium discoideum, Tube Culture

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Description: Cellular slime mold. Demonstrates amoeboid state, pseudoplasmodial state, and fruiting body, or sorocarp.

Ward's® Live Staphylococcus aureus, Beta (β) hemolytic - PATHOGEN

Description: Beta hemolysis on blood. Causes wound infections and septicemia.

Ward's® Live Geobacillus stearothermophilus Culture

Description: This spore-forming, thermophilic organism is commonly used for germicidal and sporicidal testing due to its ability to withstand higher-than-normal temperatures.

Ward's® Live Serratia marcescens Cultures: Strain 933 and Strain WCF

Description: Both of these strains of Serratia marcescens are colorless mutants when plated alone, but when grown together, they produce a red pigment.

Ward's® Live Streptococcus pneumoniae Culture - PATHOGEN

Description: No Lancefield group shown, alpha hemolysis. Bile solubility test positive, optochin sensitive. Causes pneumonia.

Catalog Number: (470179-156)

Ward's® Live Sporosarcina ureae Culture

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Description: 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.

Catalog Number: (470179-098)

Ward's® Live Serratia liquefaciens Culture

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Description: Colorless, most widely dispersed of the Serratia species.

Catalog Number: (470179-044)

Agrobacterium tumafaciens

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Description: A. tumefaciens is a pathogenic soil bacterium known to cause grown gall disease, in nut trees and the plants of some stone fruits.

Ward's® Live Pseudomonas fluorescens Culture

Description: This organism is commonly found in soil and water, and is also associated with spoiled food. It produces a diffusible fluorescent pigment.

Ward's® Live Ladybug Adults

Description: Hippodamia convergens.

Water Bear

Description: Hypsibius sp. The water bear is a complex animal representing the unusual phylum of Tardigrades, which contains about 400 marine, terrestrial, and freshwater species.

Ward's® Live White Planaria (Procotyla fluviatilis)

Description: Planaria are a flatworm commonly used in science fair projects. They do not bite and move very slowly, making them easy for young students to observe.