What's the difference between pilous and pilus?

Pilous


Definition:

  • (a.) See Pilose.

Example Sentences:

  • (1) Some intraepithelial fibers have been described at level of sudoriferous and sebaceus glands and sensitive corpuscles in connexion with pilous follicles.
  • (2) This entity is studied according to the revised bibliography, reaching the conclusion that they are real infundibulo-pilous cysts in plaques, with a very peculiar localisation, which are not red lichen planus.
  • (3) In 7 cases of isolated breast prococity, 4 cases of isolated pilous precocity, one case of isolated genital hemorrhage and 5 cases of hypopituitarism, E1, E2 and T levels were similar to those of impuberal girls.
  • (4) A pilonidal disease is an illness which appears in younger population (second and third life's decade), dominantly in male and especially in hairy, pilous persons.

Pilus


Definition:

Example Sentences:

  • (1) Ultrastructural studies of Aeromonas hydrophila strain AH26 revealed two distinctive pilus types: "straight" pili appear as brittle, rod-like filaments, whereas "flexible" pili are supple and curvilinear.
  • (2) Phagocytic killing in the presence of each monoclonal antibody paralleled the increase in chemiluminescence, suggesting that for this variant killing was an inevitable consequence of the interaction of polymorphonuclear leukocytes with gonococci opsonized with anti-pilus antibodies.
  • (3) These results show for the first time the role of a specific pilus structure in colonization of the human intestine by V. cholerae O1 and exemplify the significance of a genetic regulon in pathogenesis.
  • (4) The relative affinity of these peptides for anti-EDP208 pilus antibodies was determined by a competitive enzyme-linked immunosorbent assay using the Fab fragment of anti-EDP208 pilus immunoglobulin G. From these results we established that the antigenic region of this peptide was the N-terminal pentapeptide, N-acetyl-Thr-Asp-Leu-Leu-Ala, and the key residues responsible for the antibody-antigen interaction are the N-acetyl-Thr1, Leu3, and Leu4.
  • (5) The antigenic surface-associated colonization factor of E. coli strain H-10407 has been further characterized: this pilus-like antigen is produced under conditions of growth that repress the production of common pili of E. coli.
  • (6) The degree of S-pilin processing and the levels of membrane-associated pilin varied among the different classes of mutants, suggesting that each was blocked at a distinct step of pilus biogenesis.
  • (7) At the basis of each pilus, a cell wall differentiation was observed appearing, in face-on-view, as a ring-like structure made up of subunits, and in side-on view as a hollow cylinder penetrating through the cell wall.
  • (8) Using Western blot analysis of the immunizing pilus and its cyanogen bromide (CNBr) fragments, IgG antibody to pilin was detected before immunization in all individuals.
  • (9) K99+, 987P+, and type 1 pilus+ bacteria could be prevented from adhering to epithelial cells by Fab fragments specific for K99, 987P, or type 1 pili, respectively.
  • (10) One recombinant pilus was shown to elicit antibodies against the synthetic peptide in immunized rats.
  • (11) A purified Gal-Gal pilus vaccine prevented (P less than 0.05) subsequent colonization by a challenge wild-type strain that exhibited homologous pili.
  • (12) These results showed that trbC function is essential to the F plasmid conjugative transfer system and suggested that the TrbC protein participates in F-pilus assembly.
  • (13) These observations may indicate a possible evolutionary relationship(s) of plasmids unrelated by the criteria of incompatibility, pilus phage specificity, or plasmid host range.
  • (14) The presence of an invertible element (Min) is suggested which enables the formation of conjugative pili at 30 degrees C, but switches off the pilus formation at 37 degrees C incubation temperature.
  • (15) Three classes of pili, alpha, beta and gamma of ascending sub-unit size were identified among the 7 pilus antigen serogroups.
  • (16) A high titre of pilus antibodies was obtained by immunizing rabbits with mutants whose pili had lost their ability to retract into the cell.
  • (17) Earlier studies have shown that the majority of Escherichia coli isolates from urinary tract infections which possess a D-mannose-resistant adhesin contain gene sequences homologous to the pap pilus gene sequences encoded on the recombinant plasmid pRHU845.
  • (18) Like R100, R62 prevented transfer, pilus formation, and surface exclusion and, therefore, probably inhibits expression of the transfer operon traA through traI.
  • (19) The pilS1 locus contains six tandem pilus gene copies linked by a 39 bp repeat sequence also present in the expression loci.
  • (20) This mutant no longer produced a 20.5-kDa protein (TcpA) that we show is the major subunit of a V. cholerae pilus.

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