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Izv Akad Nauk Ser Biol. 2007 Mar-Apr;(2):205-11.

[Temperature as an autoecological factor of chitinolytic microbial complex formation in soils].

[Article in Russian]


The dynamics of carbon dioxide emission from soil was studied during chitinolytic succession induced by humidification and chitin introduction at different temperatures (5, 27, and 50 degrees C) using gas chromatography. The abundance and biomass of the chitinolytic bacterial and actinomycete complex in soil were evaluated by luminescent microscopy. Active development of the chitinolytic microbial complexes was observed at all studied temperatures. The most active growth of chitinolytic microorganisms was observed at high temperature during early succession and at low temperature during late succession. High and low temperatures provided for active development of the chitinolytic microbial complex in soils confined to warm climatic zones (brown desert-steppe soil) and soils of temporary zones (gray forest soil). Actinomycetes demonstrated the most active growth among chitinolytic microorganisms in the studied soil samples both at low and high temperatures..

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