Live Specimens
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.
Ward's® Live Coliphage Suspensions
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)
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Ward's® Live E. coli cultures for Coliphage Use
A collection of some of the strains of Escherichia coli needed to grow various coliphages (available separately).
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Ward's® Live Halobacterium salinarium Culture
Red-pigmented halophile from evaporating salt ponds; requires 25% salt medium, lyses easily in plain water, releasing DNA.
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Ward's® Live Vibrio fischeri Culture
Found in seawater and marine animals. Young cultures luminescent.
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Ward's® Live Volvox aureus Culture
Volvox aureus is a species of colonial green algae that forms spherical colonies of cells.
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Ward's® Tribonema
Freshwater; unbranched filaments with cylindrical- to slightly barrel-shaped cells; shows the characteristic H-pieces upon fragmentation of the filament.
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.
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Zygnema
Freshwater. Filamentous; two stellate chloroplasts per cell. Basic culture solution.
Characterized by green plastids and cell walls composed of cellulose.
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Ward's® Kocuria rosea
This organism is commonly isolated from soil or water, and produces a pink or rose colored pigment.
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Ward's® Penicillium chrysogenum
Deuteromycete. Produces penicillin. Incubation temperature 25°C. Malt extract agar growth medium.
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Saccharomyces cerevisiae var. ellipsoides
Ascomycete. Wine yeast: Used in fermentation activities. Incubation temperature 30°C. Sabouraud dextrose agar growth medium.
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Dictyostelium discoideum, Tube Culture
Cellular slime mold. Demonstrates amoeboid state, pseudoplasmodial state, and fruiting body, or sorocarp.
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Live Sordaria fimicola Cultures
Use Sordaria fimicola to allow students to visualize the results of crossing over during cell division.
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Synedra
Freshwater, Unicellular; pennate, with bilateral symmetry. Diatom or basic medium.
Characterized by shells (tests) made of silica, in two parts.
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Synura
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.
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Ward's® Live Amphidinium Culture
Marine; Small Motile Cells with the Transverse Furrow Located Near the Apex.




