"WardsSci000725"
Ward's® Bacteria In Food Demonstration
Students determine contamination levels of ground beef in different environments.
Ward's® Live Vibrio fischeri Culture
Found in seawater and marine animals. Young cultures luminescent.
Ward's® Kocuria rosea
This organism is commonly isolated from soil or water, and produces a pink or rose colored pigment.
Ward's® Live Alcaligenes faecalis Culture
A Common Intestinal Flora Isolate, Demonstrates Alpha Hemolysis on Blood Agar Growth Medium
Ward's® Penicillium chrysogenum
Deuteromycete. Produces penicillin. Incubation temperature 25°C. Malt extract agar growth medium.
Live Sordaria fimicola Cultures
Use Sordaria fimicola to allow students to visualize the results of crossing over during cell division.
Ward's® Live Bacillus subtilis Culture
This organism is commonly isolated in soil and produces antibiotics such as bacitracin, subtilisin, and mycobacillin.
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.
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.
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.
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.
Aspergillus niger
Deuteromycete. “Black mold”. Produces citric acid. Common airborne contaminant. Causes aspergillosis. Incubation temperature 25°C. Sabouraud dextrose agar growth medium.
Penicillium notatum
Penicillium notatum is a deuteromycete that produces penicillin. It is available in normal and high-yield strains.
Rhizopus stolonifer (nigricans) (+)
Zygomycete. Common black bread mold. Lab contaminant. Mating strain, cross with Rhizopus stolonifer (nigricans) (-) to produce zygospores. Incubation temperature 25°C. Potato dextrose agar growth medium.
Rhizopus stolonifer (nigricans) (-)
Zygomycete. Common black bread mold. Lab contaminant. Mating strain, cross with Rhizopus stolonifer (nigricans) (+) to produce zygospores. Incubation temperature 25°C. Potato dextrose agar growth medium.

