In this article we will discuss about the microbial degradation of petroleum and xenobiotic. 1. Microbial Degradation of Petroleum (Hydrocarbon): Petroleum and its products are the hydrocarbons. It is a rich source of organic matter and is oxidised if comes in contact with air and moisture. There are some microorganisms which cleave the hydrocarbons into […]
Microbial Degradation of Petroleum and Xenobiotic | Microbiology
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Mechanism of Heavy Metal Resistance | Microbiology
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There are four main physiological mechanism of heavy metal resistance: (a) Inactivation, (b) Impermeability, (c) By- pass, and (d) Altered target site(s). On the other hand, earlier studies reported that fungi tend to survive heavy metal stress either by adaptation or mutation. Not only fungi but few algae such as Stigeoclonium tenue can grow in […]
Factors Affecting Methane Production | Microbiology
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Following are the factors affecting methane production: 1. Slurry: Proper solubilisation of organic materials (the ratio between solid and water) should be 1:1 when it is house hold type. 2. Seeding: In the beginning, seeding of slurry with small amount of sludge of another digester activates methane evolution. Sludge contains acetogenic and methanogenic bacteria. 3. […]
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