J. Imhoff

Publications478
h-index57
Citations11,576
Highly Influential Citations692
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Chemical interactions between marine macroalgae and bacteria
TLDR
There is a strong need to investigate the bacterial communities living on different coexisting macroalgae using new technologies, but also to investigation the production, localization and secretion of the biological active metabolites involved in those possible ecological interactions. Expand
Molecular analysis of the distribution and phylogeny of the soxB gene among sulfur-oxidizing bacteria - evolution of the Sox sulfur oxidation enzyme system.
TLDR
The soxB gene was detected in all investigated photo- and chemotrophic species that form sulfur globules during thiosulfate oxidation, and the SoxB phylogeny reflected the major 16S rRNA gene-based phylogenetic lineages of the investigated SOB, although topological discrepancies indicated several events of lateral sox B gene transfer among the SOB. Expand
Phylogenetic and functional marker genes to study ammonia-oxidizing microorganisms (AOM) in the environment
TLDR
This review presents an overview of approaches that have been used for the molecular study of ammonia oxidizers and discusses their application in different environments. Expand
Phylogenetic taxonomy of the family Chlorobiaceae on the basis of 16S rRNA and fmo (Fenna-Matthews-Olson protein) gene sequences.
  • J. Imhoff
  • Medicine, Biology
  • International journal of systematic and…
  • 1 July 2003
A new taxonomy of the green sulfur bacteria is proposed, based on phylogenetic relationships determined using the sequences of the independent 16S rRNA and fmo (Fenna-Matthews-Olson protein) genes,… Expand
Quinones of phototrophic purple bacteria
TLDR
The quinone composition of the recognized species of the phototrophic purple nonsulfur bacteria, the Ectothiorhodospiraceae, and some Chromatiaceae species has been determined and Rhodoquinone is present in Rhodospirillum rubrum and Rhodospira photometricum. Expand
Phylogeny and distribution of the soxB gene among thiosulfate-oxidizing bacteria.
TLDR
Comparison of soxB phylogeny and 16S rDNA phylogeny points to the significance of this gene transfer in hydrothermal vent bacterial communities of the North Fiji Basin. Expand
The family Chromatiaceae
The Chromatiaceae is a family of the Chromatiales within the Gammaproteobacteria and closely related to the Ectothiorhodospiraceae. Representatives of both families are referred to as phototrophic… Expand
The influence of ultramafic rocks on microbial communities at the Logatchev hydrothermal field, located 15 degrees N on the Mid-Atlantic Ridge.
The ultramafic-hosted Logatchev hydrothermal field (LHF) on the Mid-Atlantic Ridge is characterized by high hydrogen and methane contents in the subseafloor, which support a specialized microbial… Expand
Phylogenetic analysis of bacteria associated with Laminaria saccharina.
TLDR
Bacterial communities associated with the brown alga Laminaria saccharina from the Baltic Sea and from the North Sea were investigated using denaturing gradient gel electrophoresis and 16S rRNA gene clone libraries, indicating a specific association of bacterial communities with different parts of the alga. Expand
The Wadi Natrun: Chemical composition and microbial mass developments in alkaline brines of Eutrophic Desert Lakes
Six lakes of the Wadi Natrun, Egypt, were studied with respect to the chemical composition of their brines and the occurrence of microbial mass developments. All investigated lakes showed pH values… Expand
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