J. Overmann

Publications836
h-index47
Citations7,613
Highly Influential Citations478
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13,16-Dimethyl Octacosanedioic Acid (iso-Diabolic Acid), a Common Membrane-Spanning Lipid of Acidobacteria Subdivisions 1 and 3 †
ABSTRACT The distribution of membrane lipids of 17 different strains representing 13 species of subdivisions 1 and 3 of the phylum Acidobacteria, a highly diverse phylum of the Bacteria, were… Expand
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Physiology and Phylogeny of Green Sulfur Bacteria Forming a Monospecific Phototrophic Assemblage at a Depth of 100 Meters in the Black Sea
ABSTRACT The biomass, phylogenetic composition, and photoautotrophic metabolism of green sulfur bacteria in the Black Sea was assessed in situ and in laboratory enrichments. In the center of the… Expand
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Cyclic AMP and Acyl Homoserine Lactones Increase the Cultivation Efficiency of Heterotrophic Bacteria from the Central Baltic Sea
ABSTRACT The effect of signal molecules on the cultivation efficiency of bacteria from the Gotland Deep in the central Baltic Sea was investigated. Numbers of cultivated cells were determined by the… Expand
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Life under extreme energy limitation: a synthesis of laboratory- and field-based investigations.
The ability of microorganisms to withstand long periods with extremely low energy input has gained increasing scientific attention in recent years. Starvation experiments in the laboratory have shown… Expand
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A new purple sulfur bacterium from saline littoral sediments, Thiorhodovibrio winogradskyi gen. nov. and sp. nov.
Two strains of a new purple sulfur bacterium were isolated in pure culture from the littoral sediment of a saline lake (Mahoney Lake, Canada) and a marine microbial mat from the North Sea island of… Expand
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Previously unknown and phylogenetically diverse members of the green nonsulfur bacteria are indigenous to freshwater lakes
Abstract. The phylogenetic diversity of green nonsulfur bacteria in nine stratified freshwater lakes was investigated. A set of oligonucleotide primers was developed that permitted the selective… Expand
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Edaphobacter modestus gen. nov., sp. nov., and Edaphobacter aggregans sp. nov., acidobacteria isolated from alpine and forest soils.
The phylum Acidobacteria is currently represented mostly by environmental 16S rRNA gene sequences, and the phylum so far contains only four species with validly published names, Holophaga foetida,… Expand
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Ultrastructure, tactic behaviour and potential for sulfate reduction of a novel multicellular magnetotactic prokaryote from North Sea sediments.
Multicellular magnetotactic prokaryotes (MMPs) represent highly organized, spherical and motile aggregates of 10-40 bacterial cells containing magnetosomes. Although consisting of different cells,… Expand
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Desulfosporosinus lacus sp. nov., a sulfate-reducing bacterium isolated from pristine freshwater lake sediments.
A novel sulfate-reducing bacterium was isolated from pristine sediments of Lake Stechlin, Germany. This strain, STP12(T), was found to contain predominantly c-type cytochromes and to reduce sulfate,… Expand
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Comparative and Functional Genomics of Anoxygenic Green Bacteria from the Taxa Chlorobi , Chloroflexi , and Acidobacteria
Green bacteria are a diverse group of chlorophototrophic organisms belonging to three major taxa within the domain Bacteria: Chlorobi, Chloroflexi, and Acidobacteria. Most, although not all, of these… Expand
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