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Journal ArticleDOI

Bacterial motility on a surface: many ways to a common goal.

Rasika M. Harshey
- 28 Nov 2003 - 
- Vol. 57, Iss: 1, pp 249-273
TLDR
This review focuses mainly on surface motility and makes comparisons to features shared by other surface phenomenon.
Abstract
When free-living bacteria colonize biotic or abiotic surfaces, the resultant changes in physiology and morphology have important consequences on their growth, development, and survival. Surface motility, biofilm formation, fruiting body development, and host invasion are some of the manifestations of functional responses to surface colonization. Bacteria may sense the growth surface either directly through physical contact or indirectly by sensing the proximity of fellow bacteria. Extracellular signals that elicit new gene expression include autoinducers, amino acids, peptides, proteins, and carbohydrates. This review focuses mainly on surface motility and makes comparisons to features shared by other surface phenomenon.

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Citations
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Stronger Stimulation of Waste Activated Sludge Anaerobic Fermentation by a Particular Amount of Micron-Sized Zero Valent Iron.

TL;DR: High-throughput sequencing revealed that mZVI had no significant impact on the shift of microbial community structure, but directly stimulated the functional performance related to anaerobic fermentation.
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Cross Talk between MarR-Like Transcription Factors Coordinates the Regulation of Motility in Uropathogenic Escherichia coli.

TL;DR: The dose effects of “X” genes on flagellar gene expression and cross talk between focX and papX are characterized and both FocX and PapX repress flhD transcription, however, it is determined that the ΔpapX mutant was hypermotile, while the loss of focX did not affect motility.
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Spatiotemporal regulation of switching front-rear cell polarity.

TL;DR: This article reviewed recent progress in how front-rear polarity is established by the polarity module and inverted by the Frz system and highlighted open questions for future studies, and showed that cell polarity proteins, over time, toggle between the cell poles causing cells to oscillate irregularly.
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Loss of FlhE in the flagellar Type III secretion system allows proton influx into Salmonella and Escherichia coli.

TL;DR: It is shown that FlhE is a periplasmic protein that co‐purifies with flagellar basal bodies and may act as a plug or a chaperone to regulate proton flow through the flageLLar T3S system.
Journal Article

Active depinning of bacterial droplets: the collective surfing of Bacillus subtilis

TL;DR: In this article, the authors show that Bacillus subtilis can turn millimetric water droplets into vehicles to quickly cover large distances by actively unpinning the surrounding liquid to cause collective surfing of the entire community on slopes as small as 0.1°.
References
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Book

Escherichia coli and Salmonella :cellular and molecular biology

TL;DR: The Enteric Bacterial Cell and the Age of Bacteria Variations on a Theme by Escherichia is described.
Journal ArticleDOI

Quorum Sensing in Bacteria

TL;DR: The evolution of quorum sensing systems in bacteria could, therefore, have been one of the early steps in the development of multicellularity.
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Biofilm Formation as Microbial Development

TL;DR: The results reviewed in this article indicate that the formation of biofilms serves as a new model system for the study of microbial development.
Journal ArticleDOI

Biofilms as complex differentiated communities.

TL;DR: It is submitted that complex cell-cell interactions within prokaryotic communities are an ancient characteristic, the development of which was facilitated by the localization of cells at surfaces, which may have provided the protective niche in which attached cells could create a localized homeostatic environment.
Journal ArticleDOI

Flagellar and twitching motility are necessary for Pseudomonas aeruginosa biofilm development

TL;DR: The isolation and characterization of mutants of Pseudomonas aeruginosa PA14 defective in the initiation of biofilm formation on an abiotic surface, polyvinylchloride (PVC) plastic are reported and evidence that microcolonies form by aggregation of cells present in the monolayer is presented.
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