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Transcriptome Kuenenia stuttgartiensis bioreactor

ABSTRACT: Transcriptome Kuenenia stuttgartiensis bioreactor

PROVIDER: PRJNA625908 | ENA |

REPOSITORIES: ENA

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Transcriptome Kuenenia stuttgartiensis bioreactor

Project description:Anaerobic ammonium-oxidising (anammox) bacteria, members of the ‘Candidatus Brocadiaceae’ family, play an important role in the nitrogen cycle and are estimated to be responsible for about half of the oceanic nitrogen loss to the atmosphere. Anammox bacteria combine ammonium with nitrite and produce dinitrogen gas via the intermediates nitric oxide and hydrazine (anammox reaction) while nitrate is formed as a by-product. These reactions take place in a specialized, membrane-bound compartment called the anammoxosome. Therefore, the substrates ammonium, nitrite and product nitrate have to cross the outer-, cytoplasmic- and anammoxosome membranes to enter or exit the anammoxosome. The genomes of all anammox species harbour multiple copies of ammonium-, nitrite- and nitrate transporter genes. Here we investigated how the distinct genes for ammonium-, nitrite- and nitrate- transport were expressed during substrate limitation in membrane bioreactors. Transcriptome analysis of Kuenenia stuttgartiensis planktonic cells under ammonium-limitation showed that three of the seven ammonium transporter genes and one of the six nitrite transporter genes were significantly upregulated, while another ammonium and nitrite transporter gene were downregulated in nitrite limited growth conditions. The two nitrate transporters were expressed to similar levels in both conditions. In addition, genes encoding enzymes involved in the anammox reaction were differentially expressed, with those using nitrite as a substrate being upregulated under nitrite limited growth and those using ammonium as a substrate being upregulated during ammonium limitation. Taken together, these results give a first insight in the potential role of the multiple nutrient transporters in regulating transport of substrates and products in and out of the compartmentalized anammox cell.

2020-06-05 | GSE148825 | GEO

Metatranscriptomic analysis of an anaerobic ammonium oxidizing community dominated by Kuenenia stuttgartiensis

Project description:We compiled a metatranscriptome by extracting total RNA (including ribosomes), reverse transcription and solexa sequencing. We obtained quantitative data on the transcription of each orf to assess the importance of each orf to the metabolism of Kuenenia stuttgartiensis

2010-03-25 | GSE15408 | GEO

Candidatus Kuenenia stuttgartiensis

Project description:Candidatus Kuenenia stuttgartiensis overview

| PRJNA36787 | ENA

Metatranscriptomic analysis of an anaerobic ammonium oxidizing community dominated by Kuenenia stuttgartiensis

2010-03-25 | E-GEOD-15408 | biostudies-arrayexpress

Candidatus Kuenenia stuttgartiensis

Project description:Candidatus Kuenenia stuttgartiensis Raw sequence reads

| PRJNA690211 | ENA

Candidatus Kuenenia stuttgartiensis

Project description:Ca. Kuenenia stuttgartiensis enrichment culture - 2014 PacBio resequencing

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Proteome of "Candidatus Kuenenia Stuttgartiensis" strain CSTR1 growing planctonically in semi-CSTR reactor

Project description:The dataset provides the whole proteome of the anammox bacterium "Candidatus Kuenenia Stuttgartiensis" strain CSTR1 growing planctonically in semi-CSTR reactor. The bacteria were growing at high growth rate (0.33 d-1) (reactor HRT 3d).

2020-11-11 | PXD018553 | Pride