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Illuminating the Evolutionary History of Chlamydiae
TLDR
It is shown that about 700 million years ago the last common ancestor of pathogenic and symbiotic chlamydiae was already adapted to intracellular survival in early eukaryotes and contained many virulence factors found in modern pathogenic chlam Lydiae, including a type III secretion system.
16S-23S rDNA intergenic spacer and 23S rDNA of anaerobic ammonium-oxidizing bacteria: implications for phylogeny and in situ detection.
TLDR
Quantitative FISH experiments with cells of Candidatus 'Brocadia anammoxidans' that were inhibited by exposure to oxygen for different time periods demonstrated that the concentration of transcribed ISR reflected the activity of the cells more accurately than the 16S or 23S rRNA concentration.
Tn6188 - A Novel Transposon in Listeria monocytogenes Responsible for Tolerance to Benzalkonium Chloride
TLDR
Evidence is provided that Tn6188, a novel transposon in L. monocytogenes conferring tolerance to quaternary ammonium compounds such as benzalkonium chloride (BC), is responsible for BC tolerance in various L.monocyTogenes strains.
The Genome of the Amoeba Symbiont “Candidatus Amoebophilus asiaticus” Reveals Common Mechanisms for Host Cell Interaction among Amoeba-Associated Bacteria
TLDR
The genome sequence of an obligate intracellular amoeba symbiont belonging to the Bacteroidetes is analyzed and it is shown that the eukaryotic domains identified in "Ca. Amoebophilus asiaticus" are also significantly enriched in the genomes of other amOeba-associated bacteria, indicating that phylogenetically and ecologically diverse bacteria which thrive inside amoEBae exploit common mechanisms for interaction with their hosts.
ATP/ADP Translocases: a Common Feature of Obligate Intracellular Amoebal Symbionts Related to Chlamydiae and Rickettsiae
TLDR
It is shown that the ATP/ADP transport protein of the Parachlamydia-related endosymbiont of Acanthamoeba sp.
Genomes of sequence type 121 Listeria monocytogenes strains harbor highly conserved plasmids and prophages
TLDR
The results show that the ST121 genomes are highly similar to each other and show a tremendously high degree of conservation among some of their prophages and particularly among their plasmids, which suggests that strong selective pressure is acting on them and thus hypothesize that plasmid and prophage adaptations are providing important adaptations for survival in food production environments.
Diversity of Bacterial Endosymbionts of Environmental Acanthamoeba Isolates
TLDR
Evidence is provided for the existence of only a small number of phylogenetically well-separated groups of obligate intracellular endosymbionts of acanthamoebae with global distribution.
Comparative Genomics Suggests an Independent Origin of Cytoplasmic Incompatibility in Cardinium hertigii
TLDR
Comparative genomics suggests an independent evolution of CI in Cardinium and Wolbachia and provides a novel context for understanding the mechanistic basis of CI, which has profound impacts on host genetic structure and ecology.
“Candidatus Thiobios zoothamnicoli,” an Ectosymbiotic Bacterium Covering the Giant Marine Ciliate Zoothamnium niveum
TLDR
Comparative 16S rRNA gene sequence analysis and fluorescence in situ hybridization showed that the ectosymbiont of Z. niveum belongs to only one pleomorphic phylotype.
The Plant Mitochondrial Carrier Family: Functional and Evolutionary Aspects
TLDR
The establishment of different MCF proteins is explained and the characteristics of members from plants are focused on, in particular from Arabidopsis thaliana.
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