The possible involvement of copper-containing nitrite reductase (NirK) and flavohemoglobin in denitrification by the fungus Cylindrocarpon tonkinense

Bioscience, Biotechnology, and Biochemistry
Sang-Wan KimH Shoun

Abstract

The occurrence of denitrification and nitrate respiration among eukaryotes has been established during the last few decades. However, denitrification-related eukaryotic genes have been isolated from only a few fungi, and eukaryotic denitrification (or nitrate respiration) is still inadequately understood. In this study, we identified genes that were up-regulated under denitrifying conditions in the fungus Cylindrocarpon tonkinense using the suppression subtraction hybridization technique, and the expression patterns of these genes were characterized by Northern analysis. We identified copper-containing nitrite reductase, cytochrome P450 nitric oxide reductase, flavohemoglobin (Fhb), and formate/nitrite transporter homolog genes as possibly involved in fungal denitrification. Our results concerning the involvement of Fhb and formate/nitrite transporter perhaps provide new insight into the fungal denitrification system.

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Citations

Jun 13, 2012·Microbiology and Molecular Biology Reviews : MMBR·Miklós MüllerWilliam F Martin
Mar 28, 2012·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Hirofumi ShounTakayoshi Wakagi
Jan 7, 2016·Frontiers in Microbiology·Anja KampPeter Stief
Jan 1, 2012·Scientifica·Paul R Gardner
Mar 5, 2013·Fungal Genetics and Biology : FG & B·Thorsten SchinkoJoseph Strauss
Apr 9, 2009·Biochemical and Biophysical Research Communications·Shengmin ZhouHirofumi Shoun
Apr 4, 2014·Chemical Reviews·Luisa B Maia, José J G Moura

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