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A novel PRRT2 pathogenic variant in a family with Paroxysmal Kinesigenic Dyskinesia and Benign Familial Infantile Seizures

Paroxysmal Kinesigenic Dyskinesia (PKD) is a rare neurological disorder characterized by recurrent attacks of dyskinetic movements without alteration of consciousness that are often triggered by the initiation of voluntary movements. Whole exome …

Assigning chemoreceptors to chemosensory pathways in Pseudomonas aeruginosa

In contrast to Escherichia coli, a model organism for chemotaxis that has 5 chemoreceptors and a single chemosensory pathway, Pseudomonas aeruginosa PAO1 has a much more complex chemosensory network, which consists of 26 chemoreceptors feeding into …

Sensory repertoire of bacterial chemoreceptors

Chemoreceptors in bacteria detect a variety of signals and feed this information into chemosensory pathways that represent a major mode of signal transduction. The five chemoreceptors from Escherichia coli have served as traditional models in the …

Two-Component Signal Transduction: a Special Issue in the Journal of Bacteriology

Bacterial two-component regulatory systems provide a simple stimulus-response coupling mechanism to enable bacteria to detect changes in environmental and intracellular conditions and respond accordingly by adjusting various cellular functions. Since …

Class III histidine kinases: a recently accessorized kinase domain in putative modulators of type IV pili based motility

Histidine kinases are key components of regulatory systems that enable bacteria to respond to environmental changes. Two major classes of histidine kinases are recognized on the basis of their modular design: classical (HKI) and chemotaxis specific …

Classic Spotlights: Selected highlights from the first 100 years of the Journal of Bacteriology

“Sciences are not made but born…. “Bacteriology must henceforward be recognized as a broad and fundamental branch of science, coördinate with, rather than subordinate to, the other grand divisions of biology such as medicine, agriculture, zoölogy and …

By staying together, two genes keep the motor running

In this issue of Structure, Lynch et al., 2017 reveal that the interaction between two key proteins in the bacterial flagellar motor results in a shared structural domain. This unusual arrangement keeps the corresponding genes together through the …

Aquerium: a web application for comparative exploration of domain-based protein occurrences on the taxonomically clustered genome tree

Gene duplication and loss are major driving forces in evolution. While many important genomic resources provide information on gene presence, there is a lack of tools giving equal importance to presence and absence information as well as web …

Classic spotlight: Genetics of Escherichia coli chemotaxis

A direct-sensing galactose chemoreceptor recently evolved in invasive strains of Campylobacter jejuni

A rare chemotaxis receptor, Tlp11, has been previously identified in invasive strains of Campylobacter jejuni, the most prevalent cause of bacterial gastroenteritis worldwide. Here we use glycan and small-molecule arrays, as well as surface plasmon …