The priming effect of glucose in soil sterilized by gamma-radiation and reinoculated with Cellulomonas sp
Jazyk angličtina Země Spojené státy americké Médium print
Typ dokumentu časopisecké články
PubMed
6247255
DOI
10.1007/bf02933012
Knihovny.cz E-zdroje
- MeSH
- Actinomycetales účinky léků růst a vývoj metabolismus MeSH
- chemická deprese MeSH
- chloramfenikol farmakologie MeSH
- glukosa farmakologie MeSH
- kultivační techniky MeSH
- oxid uhličitý biosyntéza MeSH
- průmyslová hnojiva MeSH
- půdní mikrobiologie * MeSH
- sterilizace MeSH
- záření gama MeSH
- Publikační typ
- časopisecké články MeSH
- Názvy látek
- chloramfenikol MeSH
- glukosa MeSH
- oxid uhličitý MeSH
- průmyslová hnojiva MeSH
Mineralization of native organic matter and U-14C-glucose was followed by measuring the formation of CO2 and its radioactivity in chernozem soil presterilized by gamma-radiation and inoculated with a washed suspension of Cellulomonas sp. cells. The introduced bacteria mineralized the soil organic component to a higher extent in variants enriched with glucose. This so-called priming effect of glucose was observed also in the presence of chloramphenicol, inhibiting the growth of the bacteria. The increased mineralization of the native soil organic fraction was also detected in samples that were not enriched with glucose when the bacterial suspension was first disintegrated ultrasonically and the material then used for the inoculation. Possible participation of phenomena of the type of cometabolism and activation of cell membrane transport mechanisms on the occurrence of the priming effect of glucose in the soil is discussed.
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