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Type IV pili and twitching motility.
Annual Review of Microbiology, 2002 Twitching motility is a flagella-independent form of bacterial translocation over moist surfaces. It occurs by the extension, tethering, and then retraction of polar type IV pili, which operate in a manner similar to a grappling hook.
J. Mattick
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Type IV Pili: Dynamic Bacterial Nanomachines.
FEMS Microbiology Reviews, 2021 Bacteria and archaea rely on appendages called type IV pili (T4P) to participate in diverse behaviors including surface sensing, biofilm formation, virulence, protein secretion, and motility across surfaces.
Courtney K. Ellison +2 more
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Nanoscale Adhesion Forces of Pseudomonas aeruginosa Type IV Pili [PDF]
ACS Nano, 2014 A variety of bacterial pathogens use nanoscale protein fibers called type IV pili to mediate cell adhesion, a primary step leading to infection. Currently, how these nanofibers respond to mechanical stimuli and how this response is used to control ...
Sofiane El-Kirat-Chatel +2 more
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Type IV pili: dynamics, biophysics and functional consequences
Nature Reviews Microbiology, 2019The surfaces of many bacteria are decorated with long, exquisitely thin appendages called type IV pili (T4P), dynamic filaments that are rapidly polymerized and depolymerized from a pool of pilin subunits. Cycles of pilus extension, binding and retraction enable T4P to perform a phenomenally diverse array of functions, including twitching motility, DNA
L. Craig, K. Forest, B. Maier
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STRUCTURE-FUNCTION AND BIOGENESIS OF THE TYPE IV PILI
Annual Review of Microbiology, 1993Type IV pili are adhesins expressed by a number of diverse gram-negative microorganisms. These pili are related through similarities in the primary amino acid sequences of the structural subunits, a conserved assembly machinery, and a similar mechanism of transcriptional regulation.
Mark S Strom
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Type IV pili and cell motility
Molecular Microbiology, 1999Type IV pili (Tfp) mediate the movement of bacteria over surfaces without the use of flagella. These movements are known as social gliding in Myxococcus xanthus and twitching in organisms such as Pseudomonas aeruginosa and Neisseria gonorrhoeae. Tfp are localized polarly. Type IV pilins have a signature N‐terminal domain, which forms a coiled‐coil with
D, Wall, D, Kaiser
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Purification of Type IV Pili and Pilin Subunits
2019The Type IV pili are displayed peritrichously on the surfaces of Neisseria gonorrhoeae cells. Here we present protocols for isolating and purifying Type IV pili and dissociating them into PilE pilin subunits. Pilus filaments are isolated from the bacterial cell surface by mechanical shearing and purified by differential precipitation and centrifugation.
Lisa, Craig, Tuba, Altindal
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Type II Secretion and Type IV Pili of Francisella
Annals of the New York Academy of Sciences, 2007Abstract: Francisella tularensis genomes encode homologues of type IV pili. Though several F. tularensis genes required for Tfp expression are homologous to genes required for type II secretion (T2S), these gene clusters mainly bear structural signatures that are typical of Tfp. There is preliminary evidence that different F.
Ake, Forsberg, Tina, Guina
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Research in Microbiology, 2012
Archaea have evolved fascinating surface structures allowing rapid adaptation to changing environments. The archaeal surface appendages display such diverse biological roles as motility, adhesion, biofilm formation, exchange of genetic material and species-specific interactions and, in turn, increase fitness of the cells.
Lassak, Kerstin +2 more
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Archaea have evolved fascinating surface structures allowing rapid adaptation to changing environments. The archaeal surface appendages display such diverse biological roles as motility, adhesion, biofilm formation, exchange of genetic material and species-specific interactions and, in turn, increase fitness of the cells.
Lassak, Kerstin +2 more
openaire +4 more sources
Dynamics of gonococcal type IV pili during infection
ChemPhysChem, 2009AbstractKeep that motor running: Type IV pili are among the strongest molecular motors characterized to date. Herein it is reported that pilus motors of the human pathogen Neisseria gonorrhoeae are very active for at least one day post‐infection of epithelial cells.
Dirk, Opitz +2 more
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