Document Detail

Changes in the level of alkaline and acid phosphatase activities during green wastes and sewage sludge co-composting.
MedLine Citation:
PMID:  19733479     Owner:  NLM     Status:  MEDLINE    
The aim of this work was to study the activity level of alkaline and acid phosphatases during the composting of green wastes and sewage sludge and to determine relationships between biotic and abiotic properties of compost and phosphatase activities. This study has revealed a noticeable separation of phosphomonoesterase activities into two distinct phases during composting. Alkaline and acid phosphatase activities were high during the first month of composting and then declined up to the end of the process. Both phosphatase activities were significantly correlated with a group of variables which are clearly related to advancement of maturity during the composting process: C/N, respiration, cellulase, protease, phenoloxidase activities, HA and Global Index of Composting Evolution (GICE) resulting from 14 biological and chemical parameters. This study has also revealed the complexity of factors regulating turnover of P in compost process since phosphatase activities appeared constrained across two thresholds: 60/70 and 100 microg of inorganic P g(-1) DM for activation and repression, respectively.
Remy Albrecht; Jean Le Petit; Virgile Calvert; Gérard Terrom; Claude Périssol
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2009-09-04
Journal Detail:
Title:  Bioresource technology     Volume:  101     ISSN:  1873-2976     ISO Abbreviation:  Bioresour. Technol.     Publication Date:  2010 Jan 
Date Detail:
Created Date:  2009-09-21     Completed Date:  2009-12-01     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9889523     Medline TA:  Bioresour Technol     Country:  England    
Other Details:
Languages:  eng     Pagination:  228-33     Citation Subset:  IM    
Aix-Marseille Université, Institut Méditerranéen d'Ecologie et de Paléoécologie, UMR CNRS IRD, Ecologie Microbienne et Biotechnologies, Faculté des Sciences et Techniques de Saint-Jérôme, Case 452, 13397 Marseille Cedex 20, France.
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MeSH Terms
Acid Phosphatase / analysis*,  metabolism*
Alkaline Phosphatase / analysis*,  metabolism*
Biodegradation, Environmental
Industrial Waste / analysis*,  prevention & control*
Sewage / chemistry*,  microbiology*
Soil / analysis*
Soil Microbiology*
Reg. No./Substance:
0/Industrial Waste; 0/Sewage; 0/Soil; EC Phosphatase; EC Phosphatase

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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