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Protists - Living Material
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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Ward's® Live Volvox globator Culture
Volvox globator is a species of colonial green algae that forms spherical colonies of cells.
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Ward's® Live Chlamydomonas reinhardtii Cultures
Demonstrates isogamous reproduction where gametes are similar in appearance and behavior. Make lectures and labs on protist reproduction clearer with our specially selected cultures that illustrate various reproductive phenomona.
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Ectocarpus
Marine. Filamentous. Branched thallus, zoospores. Erdschreiber’s medium.
Kelp and seaweed; with a distinct set of photosynthetic pigments.
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Basic Algae Culture Solution
For Culture of Freshwater Algae. Comes in ready-to-use and concentrated formulations
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Dictyostelium discoideum, Demonstration Plate
Cellular slime mold. Demonstrates amoeboid state, pseudoplasmodial state, and fruiting body, or sorocarp. Found in woodland soil in decomposing vegetation where bacteria are abundant. Incubation temperature 25°C. Plate cultures grown with Enterobacteria as food source; freeze-dried cultures include food source.
Characterized by an amoeboid stage (lacking cell walls) and a fungus-like reproductive structure.
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Carteria
Freshwater. Unicellular; large cells, with four flagella. Basic culture solution.
Characterized by green plastids and cell walls composed of cellulose.
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Ward's® Live Chlamydomonas moewusii Cultures
Demonstrates isogamous reproduction where gametes are similar in appearance and behavior. Make lectures and labs on protist reproduction clearer with our specially selected cultures that illustrate various reproductive phenomona.
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Closterium littorale
Freshwater. Unicellular; homothallic strain. Basic culture solution. Characterized by green plastids and cell walls composed of cellulose.
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Cyclotella
Marine. Unicellular; small, centric cells. Marine medium.Characterized by shells (tests) made of silica, in two parts.
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Fritschiella
Freshwater. Filamentous; displays high degree of differentiation. Basic culture solution.
Characterized by green plastids and cell walls composed of cellulose.
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Selanastrum, Tube Culture
Freshwater. Unicellular; lunate. Proteose agar.
Characterized by green plastids and cell walls composed of cellulose.
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Stigeoclonium
Freshwater. Filamentous. Produces zoospores. Basic culture solution.
Characterized by green plastids and cell walls composed of cellulose.
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Ward's® Thalassiosira
Marine. Unicellular; brackish, centric cells. Marine medium.
Characterized by shells (tests) made of silica, in two parts.
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Navicula
Freshwater. Unicellular; pennate, with bilateral symmetry. Basic culture solution.
Characterized by shells (tests) made of silica, in two parts.
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Bangia
Marine. Filamentous; unbranched thallus. Erdschreiber’s medium.
Characterized by reddish plastids (rhodoplasts).
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Ward's® Phacus
Freshwater. Unicellular; heart-shaped cell. Soil-water medium.
Characterized by a lack of rigid cellulosic walls, instead these organisms have pellicles made of protein. They store paramylon instead of starch.