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- Winogradsky_column abstract "The Winogradsky column is a simple device for culturing a large diversity of microorganisms. Invented in the 1880s by Sergei Winogradsky, the device is a column of pond mud and water mixed with a carbon source such as newspaper (containing cellulose), blackened marshmallows or egg-shells (containing calcium carbonate), and a sulfur source such as gypsum (calcium sulfate) or egg yolk. Incubating the column in sunlight for months results in an aerobic/anaerobic gradient as well as a sulfide gradient. These two gradients promote the growth of different microorganisms such as Clostridium, Desulfovibrio, Chlorobium, Chromatium, Rhodomicrobium, and Beggiatoa, as well as many other species of bacteria, cyanobacteria, and algae.The column provides numerous gradients, depending on additive nutrients, from which the variety of aforementioned organisms can grow. The aerobic water phase and anaerobic mud or soil phase are one such distinction. Because of oxygen's low solubility in water, the water quickly becomes anoxic towards the interface of the mud and water. Anaerobic phototrophs are still present to a large extent in the mud phase, and there is still capacity for biofilm creation and colony expansion, as shown in the images at right. Algae and other aerobic phototrophs are present along the surface and water of the upper half of the columns. Green growth is often attributed to these organisms.".
- Winogradsky_column thumbnail Winogradsky_Week1.jpg?width=300.
- Winogradsky_column wikiPageExternalLink winograd.htm.
- Winogradsky_column wikiPageExternalLink Winogradsky.
- Winogradsky_column wikiPageExternalLink 2577.html.
- Winogradsky_column wikiPageID "4960023".
- Winogradsky_column wikiPageRevisionID "600093681".
- Winogradsky_column hasPhotoCollection Winogradsky_column.
- Winogradsky_column subject Category:Environmental_microbiology.
- Winogradsky_column subject Category:Growth_media.
- Winogradsky_column subject Category:Laboratory_techniques.
- Winogradsky_column subject Category:Russian_inventions.
- Winogradsky_column type Abstraction100002137.
- Winogradsky_column type Company108058098.
- Winogradsky_column type Group100031264.
- Winogradsky_column type GrowthMedia.
- Winogradsky_column type Institution108053576.
- Winogradsky_column type Organization108008335.
- Winogradsky_column type SocialGroup107950920.
- Winogradsky_column type YagoLegalActor.
- Winogradsky_column type YagoLegalActorGeo.
- Winogradsky_column type YagoPermanentlyLocatedEntity.
- Winogradsky_column comment "The Winogradsky column is a simple device for culturing a large diversity of microorganisms. Invented in the 1880s by Sergei Winogradsky, the device is a column of pond mud and water mixed with a carbon source such as newspaper (containing cellulose), blackened marshmallows or egg-shells (containing calcium carbonate), and a sulfur source such as gypsum (calcium sulfate) or egg yolk.".
- Winogradsky_column label "Colonna di Vinogradskij".
- Winogradsky_column label "Colonne de Winogradsky".
- Winogradsky_column label "Columna de Vinogradski".
- Winogradsky_column label "Winogradsky column".
- Winogradsky_column label "Winogradsky-Säule".
- Winogradsky_column sameAs Winogradsky-Säule.
- Winogradsky_column sameAs Columna_de_Vinogradski.
- Winogradsky_column sameAs Colonne_de_Winogradsky.
- Winogradsky_column sameAs Kolom_Winogradsky.
- Winogradsky_column sameAs Colonna_di_Vinogradskij.
- Winogradsky_column sameAs m.0cx69w.
- Winogradsky_column sameAs Q1335288.
- Winogradsky_column sameAs Q1335288.
- Winogradsky_column sameAs Winogradsky_column.
- Winogradsky_column wasDerivedFrom Winogradsky_column?oldid=600093681.
- Winogradsky_column depiction Winogradsky_Week1.jpg.
- Winogradsky_column isPrimaryTopicOf Winogradsky_column.