PMID- 20926291
OWN - NLM
STAT- MEDLINE
DCOM- 20110421
LR  - 20131121
IS  - 1873-2976 (Electronic)
IS  - 0960-8524 (Linking)
VI  - 102
IP  - 2
DP  - 2011 Jan
TI  - Effect of aspartate and glutamate on the fate of enhanced biological phosphorus 
      removal process and microbial community structure.
PG  - 894-903
LID - 10.1016/j.biortech.2010.09.023 [doi]
AB  - This study investigated the fate of enhanced biological phosphorus removal (EBPR) 
      and changes in microbial speciation in a sequencing batch reactor (SBR) fed with 
      aspartate and glutamate. It involved SBR operation for 288 days, batch tests for 
      observation of metabolic functions together with microscopic and phylogenetic 
      analyses. Polyphosphate accumulating organisms (PAOs) were observed in abundance 
      with complete removal of phosphorus. Fluorescence in situ hybridization (FISH) 
      combined with 4',6-dia-midino-2-phenylindole (DAPI) staining confirmed the 
      accumulation of polyphosphate by Rhodocyclus-related and Actinobacterial PAOs. 
      Aspartate seemed to favor the competitive growth of Rhodocyclus-related PAOs 
      since EBPR population used the common biochemical pathways followed by 
      Rhodocyclus-related PAOs in the aspartate fed batch tests. In the glutamate fed 
      batch reactors, however, Actinobacterial PAOs appeared to be competitively 
      selected which explains the lower levels of PHA generation. Even though 
      operational conditions did not change, effective EBPR could not be maintained 
      during the latter part of the study.
CI  - Copyright A(c) 2010 Elsevier Ltd. All rights reserved.
FAU - Zengin, Gulsum Emel
AU  - Zengin GE
AD  - Istanbul Technical University, Faculty of Civil Engineering, Environmental 
      Engineering Department, TR-34469 Maslak, Istanbul, Turkey. zengingul@itu.edu.tr
FAU - Artan, Nazik
AU  - Artan N
FAU - Orhon, Derin
AU  - Orhon D
FAU - Satoh, Hiroyasu
AU  - Satoh H
FAU - Mino, Takashi
AU  - Mino T
LA  - eng
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PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
DEP - 20100921
PL  - England
TA  - Bioresour Technol
JT  - Bioresource technology
JID - 9889523
RN  - 0 (DNA, Ribosomal)
RN  - 0 (Polyhydroxyalkanoates)
RN  - 0 (Polyphosphates)
RN  - 0 (Sewage)
RN  - 27YLU75U4W (Phosphorus)
RN  - 30KYC7MIAI (Aspartic Acid)
RN  - 3KX376GY7L (Glutamic Acid)
RN  - S88TT14065 (Oxygen)
SB  - IM
MH  - Aerobiosis/drug effects
MH  - Anaerobiosis/drug effects
MH  - Aspartic Acid/*pharmacology
MH  - Bacteria/cytology/*drug effects/*growth & development
MH  - Biodegradation, Environmental/drug effects
MH  - Biomass
MH  - Bioreactors/microbiology
MH  - DNA, Ribosomal/genetics
MH  - Glutamic Acid/*pharmacology
MH  - Molecular Sequence Data
MH  - Oxygen/analysis
MH  - Phosphorus/*isolation & purification
MH  - Polyhydroxyalkanoates/metabolism
MH  - Polyphosphates/metabolism
MH  - Sewage/microbiology
EDAT- 2010/10/12 06:00
MHDA- 2011/04/22 06:00
CRDT- 2010/10/08 06:00
PHST- 2010/04/29 00:00 [received]
PHST- 2010/09/07 00:00 [revised]
PHST- 2010/09/07 00:00 [accepted]
PHST- 2010/10/08 06:00 [entrez]
PHST- 2010/10/12 06:00 [pubmed]
PHST- 2011/04/22 06:00 [medline]
AID - S0960-8524(10)01536-1 [pii]
AID - 10.1016/j.biortech.2010.09.023 [doi]
PST - ppublish
SO  - Bioresour Technol. 2011 Jan;102(2):894-903. doi: 10.1016/j.biortech.2010.09.023. 
      Epub 2010 Sep 21.