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Study

Study Name: Wastewater anaerobic digestor microbial communities from Denmark

Projects

Biosamples

Organisms

Biosamples: 58 Seq. Projects: 58
STUDY INFORMATION
GOLD Study ID Gs0136084
Study Name Wastewater anaerobic digestor microbial communities from Denmark
Other Names
NCBI Umbrella Bioproject Name
NCBI Umbrella Bioproject ID
SRA Studies
SRA Study Id ERP024437
Study Title Unusual ecophysiology of Candidate phylum Acetothermia bacteria associated with anaerobic digesters revealed by complete genome sequencing and advanced in situ microscopy
Study Abstract Members of the candidate phylum Acetothermia are globally distributed and have been detected in diverse natural habitats as well as engineered systems. However, little is known about their physiology and ecological importance. In this study, an OTU belonging to Acetothermia was identified as one of the most abundant genus-level bacterial taxa in full-scale mesophilic anaerobic digesters at two Danish wastewater treatment plants. A closed genome was obtained by differential coverage binning of metagenomes and long Nanopore reads. Genome annotation and metabolic reconstruction revealed an anaerobic chemoheterotrophic lifestyle in which the bacterium obtain energy and carbon from the fermentation of peptides, amino acids, and simple sugars to acetate, formate and hydrogen. In contrast to previously studied Acetothermia, the genome did not encode a functional acetyl-CoA pathway required for acetogenesis. Fluorescent in situ hybridization probes targeting Acetothermia were designed and used in combination with confocal laser scanning microscopy and atomic force microscopy. This revealed an unusual morphology composed of a central rod cell with bipolar prosthecae similar to those observed in Caulobacter and Asticcacaulis. These prosthecae greatly expand the cell surface to volume ratio and allow for increased nutrient uptake, providing the bacteria with a competitive advantage under nutrient limited conditions.
  
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Legacy GOLD ID
Added By JGI automated process on 2018-12-04
Last Modified By
PI
Description Wastewater anaerobic digestor microbial communities from Denmark
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Study Information Link
Study Information Visibility Public
Metagenomic Study Yes
Publication
Is GEBA
Is HMP
ECOSYSTEM CLASSIFICATION
Ecosystem Engineered
Ecosystem Category Wastewater
Ecosystem Type Anaerobic digestor
Ecosystem Subtype
Specific Ecosystem
STUDY COMPOSITION
Number of Biosamples 58
Number of Organisms 0
Number of Seq Projects 58
Number of Analysis Projects 0
Number of Related Studies 0

 

 

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