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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® 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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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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Ward's® Live Bacillus subtilis Culture
This organism is commonly isolated in soil and produces antibiotics such as bacitracin, subtilisin, and mycobacillin.
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Ward's® Live Escherichia coli culture
This organism is a common inhabitant of intestinal flora, and can be a major cause of urinary tract infection.
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Ward's® Live Rhodospirillum rubrum Culture
This species of Rhodospirillum is commonly isolated from stagnant water and mud. It is especially interesting because it produces a red pigment and is also capable of photosynthesis.
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Ward's® Live Kocuria rhizophila (Micrococcus luteus) Culture
Kocuria rhizophila is also commonly known by the name Micrococcus luteus. This organism is commonly isolated from soil, and is frequently used to test antimicrobial efficacy in the food industry.
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Ward's® Live Serratia marcescens D1 Culture
This organism is commonly isolated from soil, and depending upon the temperature of its environment, can produce a distinctive red pigment.
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Ward's® Live Staphylococcus epidermidis Culture
This organism is normal flora of human skin.
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Aspergillus niger
Deuteromycete. “Black mold”. Produces citric acid. Common airborne contaminant. Causes aspergillosis. Incubation temperature 25°C. Sabouraud dextrose agar growth medium.
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Penicillium notatum
Penicillium notatum is a deuteromycete that produces penicillin. It is available in normal and high-yield strains.

