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Gram Negative


39  results were found
Specimens

Specimens are available for use in a wide variety of organic and inorganic testing procedures. Organic samples can be utilized for dissection purposes or studying whole preserved or life specimens, with practical examples in cellular biology or the internal structures of whole organs and complex multicellular systems. Rock specimens are useful for studying textures, grain sizes, and other features brought about by pressure, temperature, and other natural forces, offering a glimpse into the Earth’s geological history.


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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 spec...
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Description:   From sewage and human intestine. Causes dysentery. 
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Description:   This organism is commonly isolated from sewage, water, soil and dairy products, as it is a normal part of intestinal flora.
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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 spec...
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Catalog Number: (470176-326)

Description:   Red-pigmented halophile from evaporating salt ponds; requires 25% salt medium, lyses easily in plain water, releasing DNA.
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Catalog Number: (470179-044)

Description:   A. tumefaciens is a pathogenic soil bacterium known to cause grown gall disease, in nut trees and the plants of some stone fruits.
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Catalog Number: (470179-132)

Description:   Isolated from human nasopharynx. Presumably not related to N. sicca; some relation to N. gonorrhoeae. Often agglutinates in saline. 
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Description:   This organism is a common inhabitant of intestinal flora, and can be a major cause of urinary tract infection.
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Catalog Number: (470179-054)

Description:   This organism is an aerobic organism that is commonly found as part of normal human intestinal flora. It is pathogenic.
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Description:   Frequent human isolate. Causes gastroenteritis.
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Description:   A collection of some of the strains of Escherichia coli needed to grow various coliphages (available separately).
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Catalog Number: (470179-206)

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 spec...
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Description:   Both of these strains of Serratia marcescens are colorless mutants when plated alone, but when grown together, they produce a red pigment.
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Description:   Ames test strain for detecting carcinogens. Causes infection in humans. 
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Description:   This organism is commonly found in soil and water, and is also associated with spoiled food. It produces a diffusible fluorescent pigment.
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Catalog Number: (470179-154)

Description:   isolated from human intestine. Lactose positive and sucrose positive after a few days’ growth. Causes a mild form of dysentery.
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