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Role of the Hrp pilus in type III protein secretion in Pseudomonas syringae.

Publication ,  Journal Article
Jin, Q; He, SY
Published in: Science (New York, N.Y.)
December 2001

Bacterial surface appendages called pili and needle-like filaments are associated with protein and/or DNA transfer to recipient plant, human, or bacterial cells during pathogenesis or conjugation. Although it has long been suspected that pili function as a conduit for protein or DNA transfer, direct evidence has been lacking. The Hrp pilus of Pseudomonas syringae is assembled by the type III secretion system. We used an in situ immunogold labeling procedure to visualize the extrusion of an effector protein, AvrPto, from the tip of the Hrp pilus, providing direct evidence that a bacterial pilus can function as a conduit for protein delivery.

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Published In

Science (New York, N.Y.)

DOI

EISSN

1095-9203

ISSN

0036-8075

Publication Date

December 2001

Volume

294

Issue

5551

Start / End Page

2556 / 2558

Related Subject Headings

  • RNA Helicases
  • Pseudomonas
  • Polysaccharide-Lyases
  • Microscopy, Immunoelectron
  • Immunohistochemistry
  • General Science & Technology
  • Fimbriae, Bacterial
  • Escherichia coli Proteins
  • DEAD-box RNA Helicases
  • Bacterial Proteins
 

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Jin, Q., & He, S. Y. (2001). Role of the Hrp pilus in type III protein secretion in Pseudomonas syringae. Science (New York, N.Y.), 294(5551), 2556–2558. https://doi.org/10.1126/science.1066397
Jin, Q., and S. Y. He. “Role of the Hrp pilus in type III protein secretion in Pseudomonas syringae.Science (New York, N.Y.) 294, no. 5551 (December 2001): 2556–58. https://doi.org/10.1126/science.1066397.
Jin Q, He SY. Role of the Hrp pilus in type III protein secretion in Pseudomonas syringae. Science (New York, NY). 2001 Dec;294(5551):2556–8.
Jin, Q., and S. Y. He. “Role of the Hrp pilus in type III protein secretion in Pseudomonas syringae.Science (New York, N.Y.), vol. 294, no. 5551, Dec. 2001, pp. 2556–58. Epmc, doi:10.1126/science.1066397.
Jin Q, He SY. Role of the Hrp pilus in type III protein secretion in Pseudomonas syringae. Science (New York, NY). 2001 Dec;294(5551):2556–2558.
Journal cover image

Published In

Science (New York, N.Y.)

DOI

EISSN

1095-9203

ISSN

0036-8075

Publication Date

December 2001

Volume

294

Issue

5551

Start / End Page

2556 / 2558

Related Subject Headings

  • RNA Helicases
  • Pseudomonas
  • Polysaccharide-Lyases
  • Microscopy, Immunoelectron
  • Immunohistochemistry
  • General Science & Technology
  • Fimbriae, Bacterial
  • Escherichia coli Proteins
  • DEAD-box RNA Helicases
  • Bacterial Proteins