Influence of Volatile Fatty Acids on Nitrite Accumulation by a Pseudomonas stutzeri Strain Isolated from a Denitrifying Fluidized Bed Reactor.

Applied and Environmental Microbiology
J van RijnY Barak

Abstract

Intermediate nitrite accumulation during denitrification by Pseudomonas stutzeri isolated from a denitrifying fluidized bed reactor was examined in the presence of different volatile fatty acids. Nitrite accumulated when acetate or propionate served as the carbon and electron source but did not accumulate in the presence of butyrate, valerate, or caproate. Nitrite accumulation in the presence of acetate was caused by differences in the rates of nitrate and nitrite reduction and, in addition, by competition between nitrate and nitrite reduction pathways for electrons. Incubation of the cells with butyrate resulted in a slower nitrate reduction rate and a faster nitrite reduction rate than incubation with acetate. Whereas nitrate inhibited the nitrite reduction rate in the presence of acetate, no such inhibition was found in butyrate-supplemented cells. Cytochromes b and c were found to mediate electron transport during nitrate reduction by the cells. Cytochrome c was reduced via a different pathway when nitrite-reducing cells were incubated with acetate than when they were incubated with butyrate. Furthermore, addition of antimycin A to nitrite-reducing cells resulted in partial inhibition of electron transport to cytochrome c i...Continue Reading

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Citations

Apr 6, 2002·FEMS Microbiology Letters·Yoram BarakJaap van Rijn
Oct 4, 2019·Microbiology·Joanne Chee-SanfordRobert Sanford
Nov 4, 2015·Applied Microbiology and Biotechnology·Rui DuMeng Niu
Apr 13, 2019·Environmental Microbiology Reports·Victoria GrießmeierJohannes Gescher
Mar 4, 2000·Applied and Environmental Microbiology·Y Barak, J van Rijn
May 15, 2013·Environmental Microbiology·Binbin LiuAsa Frostegård
Oct 10, 2006·Applied Microbiology and Biotechnology·Yongzhen Peng, Guibing Zhu
Oct 7, 2016·Applied Microbiology and Biotechnology·Wei LiPing Zheng
Oct 12, 2016·Environmental Technology·Yue ChenZonglian She
Sep 25, 2009·Water Environment Research : a Research Publication of the Water Environment Federation·Carla CherchiApril Z Gu
Sep 25, 2008·FEMS Microbiology Ecology·Fernando Morgan-SagastumePer Halkjaer Nielsen
Apr 22, 2011·Applied Biochemistry and Biotechnology·Srinandan S ChakravarthyAnuradha S Nerurkar
Jan 31, 2019·Water Environment Research : a Research Publication of the Water Environment Federation·Tri LeHaydée De Clippeleir
May 11, 2019·Water Environment Research : a Research Publication of the Water Environment Federation·Tri LeHaydée De Clippeleir
Jul 6, 2019·Frontiers in Microbiology·Navreet SuriGerrit Voordouw
Dec 6, 2020·Water Environment Research : a Research Publication of the Water Environment Federation·Priyanka AliHaydée De Clippeleir
Oct 23, 2019·International Journal of Molecular Sciences·Pierre AlbinaBenjamin Erable
Dec 14, 2005·Applied and Environmental Microbiology·Y BarakJ van Rijn
Jul 1, 2017·Environmental Science & Technology·Bin MaYongzhen Peng
Apr 5, 2017·Environmental Science & Technology·Varun N Srinivasan, Caitlyn S Butler
Mar 10, 2011·Environmental Science & Technology·Jennifer C UnderwoodLarry B Barber
May 16, 2001·Environmental Science & Technology·R L SmithM W Killingstad
May 12, 2005·Environmental Science & Technology·John M SenkoLee R Krumholz
Sep 2, 2011·Waste Management·Jubhar C MangimbuludeWilfred F M Röling

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