Catherine M Oikonomou

Publications33
h-index14
Citations675
Highly Influential Citations25
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Structure of bacterial cytoplasmic chemoreceptor arrays and implications for chemotactic signaling
Most motile bacteria sense and respond to their environment through a transmembrane chemoreceptor array whose structure and function have been well-studied, but many species also contain an… Expand
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New Insights into Bacterial Chemoreceptor Array Structure and Assembly from Electron Cryotomography
Bacterial chemoreceptors cluster in highly ordered, cooperative, extended arrays with a conserved architecture, but the principles that govern array assembly remain unclear. Here we show images of… Expand
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Structural conservation of chemotaxis machinery across Archaea and Bacteria.
Chemotaxis allows cells to sense and respond to their environment. In Bacteria, stimuli are detected by arrays of chemoreceptors that relay the signal to a two-component regulatory system. These… Expand
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Morphology of the archaellar motor and associated cytoplasmic cone in Thermococcus kodakaraensis
Archaeal swimming motility is driven by archaella: rotary motors attached to long extracellular filaments. The structure of these motors, and particularly how they are anchored in the absence of a… Expand
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Short FtsZ filaments can drive asymmetric cell envelope constriction at the onset of bacterial cytokinesis
FtsZ, the bacterial homologue of eukaryotic tubulin, plays a central role in cell division in nearly all bacteria and many archaea. It forms filaments under the cytoplasmic membrane at the division… Expand
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A new view into prokaryotic cell biology from electron cryotomography
Nature Reviews Microbiology 14, 205–220 (2016) It has recently come to the authors' attention that this Review is the first place in which Figure 1 was published. Yi-Wei Chang, who collected the data… Expand
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Correction to New Insights into Bacterial Chemoreceptor Array Structure and Assembly from Electron Cryotomography
Bacterial chemoreceptors cluster in highly ordered, cooperative, extended arrays with a conserved architecture, but the principles that govern array assembly remain unclear. Here we show images of… Expand
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The Caltech Tomography Database and Automatic Processing Pipeline.
TLDR
We describe the Caltech Tomography Database and automatic image processing pipeline, designed to process, store, display, and distribute electron tomographic data including tilt-series, sample information, data collection parameters, 3D reconstructions, correlated light microscope images, snapshots, segmentations, movies, and other associated files. Expand
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Structure of the archaellar motor and associated cytoplasmic cone in Thermococcus kodakaraensis
Archaeal swimming motility is driven by rotary motors called archaella. The structure of these motors, and particularly how they are anchored in the absence of a peptidoglycan cell wall, is unknown.… Expand
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The mobility of two kinase domains in the Escherichia coli chemoreceptor array varies with signalling state
Motile bacteria sense their physical and chemical environment through highly cooperative, ordered arrays of chemoreceptors. These signalling complexes phosphorylate a response regulator which in turn… Expand
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