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pilus in Medical News

JCI table of contents: Oct. 18, 2007

...EC O157:H7 make a number of proteins that come together to form a structure known as an adhesive type IV pilus, which they termed the hemorrhagic coli pilus (HCP). HCP were shown to enable EHEC O157:H7 to adhere to human intestinal epithelial cells in vitro. Furthermore, individuals with HUS, but not indiv...

Study Reveals E.Coli's Grip on Gut

... of Arizona, Tucson, found that several proteins bind together to form a structure known as an adhesive type IV pilus, that they call hemorrhagic coli pilus (HCP). This HCP bundle allows the bacteria to attach to human intestinal epithelial cells, the researchers said. The authors also found that indiv...
pilus in Biological News

University of Arizona scientist shares in discovery of microbe filaments' power

...own body weight. Retraction forces from a bundle are roughly 10 times higher, allowing the bacterium to move objects 100,000 times its body weight. pilus retraction forces are an important factor in how N. gonorrhoeae starts an infection. So, who has studied these microbes for more than 20 years, says N...

The Bacteria's guide to survival

...e. And bacteria appear to do this with the help of their pili. ### Citation: Howie HL, Glogauer M, So M (2005) The Neisseria gonorrhoeae type IV pilus stimulates mechanosensitive pathways and cytoprotection through a pilT-dependent mechanism. PLoS Biol 3(4): e100. ...
pilus in Biological Technology

First ASMS Hites Award for Outstanding Research Publication Presented to Prof. Alison Ashcroft for Her Use of Waters Synapt HDMS System to Explore Protein Complexes

...ensembles. Other research from this Group is directed at unraveling the mechanism of virus capsid assembly and determining the sub-unit specificity of pilus assembly. Shortly after purchasing her SYNAPT(TM) HDMS System in 2007, Prof. Ashcroft had this to say about it. "It's adding a new dimension to o...
pilus in Biological Products

Mouse Anti-E. coli K99 pilus Monoclonal Antibody, Unconjugated, Clone 6911 from Abcam

Description: Mouse monoclonal [6911] to E. coli K99 pilus ( Abpromise for all tested applications)....
Company:Abcam
pilus in Biological Definition

Bacterium

...riophage) and; bacterial conjugation (the transfer of DNA from one bacterial cell to another via a special protein structure called a conjugation pilus ). Bacteria, having acquired DNA from any of these events, can then undergo fission and pass the recombined genome to new progeny cells. Many ...

Bacterium

...riophage) and; bacterial conjugation (the transfer of DNA from one bacterial cell to another via a special protein structure called a conjugation pilus ). Bacteria, having acquired DNA from any of these events, can then undergo fission and pass the recombined genome to new progeny cells. Many ...

Flagellum

...em to function. For information on biologists' ideas about how the various flagella may have evolved, see evolution of flagella . See also pilus (includes information on fimbria) Cilium External links Physics Today introduction to the bacterial flagellum by Howard Berg ...

Hfr cell

...ugation with a F- cell, attempt to transfer their entire DNA through the pilus to the F- cell. As fragile a structure as a pilus will, however, likely break, and so the transfer is rarely complete. Thus, ...

Plasmid

...ency in the presence of a conjugative plasmid. Figure 4 : Schematic drawing of bacterial conjugation. 1 Chromosomal DNA . 2 Plasmids . 3 pilus . It is possible for several different types of plasmids to coexist in a single cell, e.g., seven different plasmids have been found in E. coli ...
pilus in Biological Dictionary

Escherichia coli

...se serious... Enterohaemorrhagic Escherichia coli in human medicine. ... Commensal and pathogenic Escherichia coli use a common pilus adherence factor ... ... coli O157:H7, one of hundreds of strains of the bacterium Escherichia coli , is ... If feasible, young children with ...

Conjugation tube

...variance. disassortative mating. disunion. hybridisation. inflection ... pilus n. , pl. -li ( ). A hair or hairlike structure, especially on the surface ... Conjugation occurs when one bacterium forms a pilus which is inserted into ... conjugation n. The act of conjugating. The ...
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