Antibiotic treatment of lake sediments to determine the effect of fungi on decomposition

To determine the role of fungi in decomposition, sediment from a eutrophic lake and a bog was treated with antibacterial antibiotics or with antifungal antibiotics. Sediment treated with antibacterial antibiotics showed a decrease in biochemical oxygen demand and a decrease in direct and pour-plate...

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Bibliographic Details
Published in:Water research (Oxford) 1974-01, Vol.8 (5), p.307-310
Main Authors: Flegler, Stanley L., McNabb, Clarence D., Fields, William G.
Format: Article
Language:English
Subjects:
plant biochemistry
plant physiology
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Summary:To determine the role of fungi in decomposition, sediment from a eutrophic lake and a bog was treated with antibacterial antibiotics or with antifungal antibiotics. Sediment treated with antibacterial antibiotics showed a decrease in biochemical oxygen demand and a decrease in direct and pour-plate bacterial counts when compared with controls. Sediment treated with antifungal antibiotics showed an increase in biochemical oxygen demand and an increase in pour-plate and direct bacterial counts when compared with controls. Two species of lake fungi inhibited the growth of a mixed culture of lake bacteria on agar plates. The results infer that fungi inhibit the growth of bacteria in aerobic lake sediment.
ISSN:0043-1354
1879-2448
DOI:10.1016/0043-1354(74)90093-1