REVIEW PAPER
The Biolog Plates Technique as a Tool in Ecological Studies of Microbial Communities
A. Stefanowicz
 
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Department of Ecotoxicology, Institute of Erwironmental Sciences,
Jagiellonian University, ul. Gronostajowa 7, 30-387 Kraków, Poland
 
Pol. J. Environ. Stud. 2006;15(5):669–676
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ABSTRACT
The Biolog technique was introduced into ecological studies to estimate metabolic potential of microbial communities. while utilizing carbon substrates (95 or 31x3, depending on the plate type), microbes reduce a colourless dye to violet formazan. The colour is measured spectrophotometrically. This is a rapid and quite convenient method but it has many drawbacks - for example, only microbes that are cultivable and able to grow in high-nutrient conditions contribute to substrate utilization. The method was used mainly to investigate microbial communities from bulk and rhizosphere soil and to estimate the impact of stressors on soil microbial communities.
eISSN:2083-5906
ISSN:1230-1485