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Int. J. Environ. Res. Public Health 2014, 11(9), 8891-8908; doi:10.3390/ijerph110908891

Soil Microbial Functional and Fungal Diversity as Influenced by Municipal Sewage Sludge Accumulation

1
Laboratory of Molecular and Environmental Microbiology, Department of Plant and Soil System, Institute of Agrophysics, Polish Academy of Sciences, Lublin 20-290, Poland
2
Department of Environmental Microbiology, University of Life Sciences in Lublin, Leszczyńskiego 7, Lublin 20-069, Poland
3
Department of Biochemistry, Faculty of Science, University of Port–Harcourt, Port-Harcourt 5323, Nigeria
*
Author to whom correspondence should be addressed.
Received: 4 April 2014 / Revised: 12 August 2014 / Accepted: 15 August 2014 / Published: 28 August 2014
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Abstract

Safe disposal of municipal sewage sludge is a challenging global environmental concern. The aim of this study was to assess the response of soil microbial functional diversity to the accumulation of municipal sewage sludge during landfill storage. Soil samples of a municipal sewage sludge (SS) and from a sewage sludge landfill that was 3 m from a SS landfill (SS3) were analyzed relative to an undisturbed reference soil. Biolog EcoPlatesTM were inoculated with a soil suspension, and the Average Well Color Development (AWCD), Richness (R) and Shannon-Weaver index (H) were calculated to interpret the results. The fungi isolated from the sewage sludge were identified using comparative rDNA sequencing of the LSU D2 region. The MicroSEQ® ID software was used to assess the raw sequence files, perform sequence matching to the MicroSEQ® ID-validated reference database and create Neighbor-Joining trees. Moreover, the genera of fungi isolated from the soil were identified using microscopic methods. Municipal sewage sludge can serve as a habitat for plant pathogens and as a source of pathogen strains for biotechnological applications. View Full-Text
Keywords: sludge-born fungi; CLPP; molecular identification sludge-born fungi; CLPP; molecular identification
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Frąc, M.; Oszust, K.; Lipiec, J.; Jezierska-Tys, S.; Nwaichi, E.O. Soil Microbial Functional and Fungal Diversity as Influenced by Municipal Sewage Sludge Accumulation. Int. J. Environ. Res. Public Health 2014, 11, 8891-8908.

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