Simon Güllert

Simon Güllert
Sysmex-Inostics, Hamburg · R&D

PhD

About

36
Publications
3,584
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459
Citations

Publications

Publications (36)
Article
Full-text available
Background: The diverse microbial communities in agricultural biogas fermenters are assumed to be well adapted for the anaerobic transformation of plant biomass to methane. Compared to natural systems, biogas reactors are limited in their hydrolytic potential. The reasons for this are not understood. Results: In this paper, we show that a typica...
Article
Full-text available
A phylogenetic and metagenomic study of elephant feces samples (derived from a three-weeks-old and a six-years-old Asian elephant) was conducted in order to describe the microbiota inhabiting this large land-living animal. The microbial diversity was examined via 16S rRNA gene analysis. We generated more than 44,000 GS-FLX+454 reads for each animal...
Article
Full-text available
The application of next-generation sequencing technology in microbial community analysis increased our knowledge and understanding of the complexity and diversity of a variety of ecosystems. In contrast to Bacteria, the archaeal domain was often not particularly addressed in the analysis of microbial communities. Consequently, established primers s...
Article
Despite their importance for ecosystem functioning, little is known about the composition of active marine bacterioplankton communities. Hence, this study was focused on assessing the diversity of these communities in the southern North Sea and examining the impact of a phytoplankton spring bloom on the ambient bacterioplankton community. Community...
Article
Full-text available
Arylmalonate Decarboxylases (AMDases, EC 4.1.1.76) are very rare and mostly underexplored enzymes. Currently only four known and biochemically characterized representatives exist. However, their ability to decarboxylate α-disubstituted malonic acid derivatives to optically pure products without cofactors makes them attractive and promising candidat...
Article
Full-text available
All multicellular organisms are associated with a diverse and specific community of microorganisms; consequently, the microbiome is of fundamental importance for health and fitness of the multicellular host. However, studies on microbiome contribution to host fitness are in their infancy, in particular, for less well-established hosts such as the m...
Article
Various insects that utilize vitamin-deficient diets derive a supplementary supply of these micronutrients from their symbiotic microorganisms. Here, we tested the inference from genome annotation that the symbiotic bacterium Buchnera aphidicola in the pea aphid Acyrthosiphon pisum provides the insect with vitamins B2 and B5 but no other B-vitamins...
Article
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A new autotrophic hydrogen‐oxidizing Chromatiaceae bacterium, namely bacterium CTD079, was enriched from a water column sample at 1500 m water depth in the southern Pacific Ocean. Based on the phylogeny of 16S rRNA genes it was closely related to a scaly snail endosymbiont (99.2% DNA sequence identity) whose host so far is only known to colonize hy...
Article
Full-text available
Ammonia caused disturbance of biogas production is one of the most frequent incidents in regular operation of biogas reactors. This study provides a detailed insight into the microbial community of a mesophilic, full‐scale biogas reactor (477 kWh h−1) fed with maize silage, dried poultry manure and cow manure undergoing initial process disturbance...
Data
Fig. S3. Normalized coverage of high‐quality genomic bins from the metagenomes of the biogas reactor as discussed in Güllert et al. (2016).
Data
Table S1. Normalized coverage of the 20 high‐quality bins form Güllert et al. (2016) as observed in the 6 analysed metatranscriptome samples.
Data
Fig. S1. Community composition observed in the metatranscriptome for the bacterial (A) and archaeal (B) community based on the Kaiju analysis.
Data
Fig. S2. Observed completeness of the central carbon metabolism as summarized by the KEGG map 1200.
Data
Table S2. 20 most abundant transcripts within eleven high‐quality bins showing high transcriptional activity and high variance over time.
Data
Table S3. Assignment of the individual samples to the datasets submitted to NCBI with their respective SRS number.
Article
Full-text available
Plant-released flavonoids induce the transcription of symbiotic genes in rhizobia and one of the first bacterial responses is the synthesis of so called Nod factors. They are responsible for the initial root hair curling during onset of root nodule development. This signal exchange is believed to be essential for initiating the plant symbiosis with...
Data
GC content of amd genes in comparison to the average genomic GC content. The information on the GC contents was retrieved from the genomes listed in Supplementary Table S1 that have been deposited in the IMG database.
Data
List of putative amd genes found in this work.
Article
Full-text available
Photobioreactors (PBRs) are very attractive for sunlight-driven production of biofuels and capturing of anthropogenic CO2. One major problem associated with PBRs however, is that the bacteria usually associated with microalgae in nonaxenic cultures can lead to biofouling and thereby affect algal productivity. Here, we report on a phylogenetic, meta...

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