Literature DB >> 8675345

Changes in Helicobacter pylori ultrastructure and antigens during conversion from the bacillary to the coccoid form.

M Benaissa1, P Babin, N Quellard, L Pezennec, Y Cenatiempo, J L Fauchère.   

Abstract

In vitro, Helicobacter pylori converts from a bacillary to a full coccoid form via an intermediate U-shaped form. Organisms with a full coccoid form keep a double membrane system, a polar membrane, and invagination structures. Western blots (immunoblots) of sera from colonized patients show that some high-molecular-mass antigenic fractions are expressed only in coccoids. Conversely, fractions of 30 and 94 kDa were more intensively detected in the bacillary forms. These results suggest that (i) coccoid conversion is not a degenerative transformation and (ii) antigens specific to the coccoid forms are expressed in vivo.

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Year:  1996        PMID： 8675345      PMCID： PMC174074          DOI： 10.1128/iai.64.6.2331-2335.1996

Source DB:  PubMed          Journal:  Infect Immun        ISSN： 0019-9567            Impact factor:   3.441


  20 in total

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Journal:  J Clin Pathol       Date:  1990-07       Impact factor: 3.411

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Journal:  J Clin Microbiol       Date:  1983-08       Impact factor: 5.948

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Journal:  J Appl Bacteriol       Date:  1987-06

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Journal:  Epidemiol Infect       Date:  1993-12       Impact factor: 2.451

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Journal:  Scand J Gastroenterol Suppl       Date:  1991

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Journal:  J Med Microbiol       Date:  1985-04       Impact factor: 2.472

9.  Immunobiological activities of Helicobacter pylori porins.

Authors:  M A Tufano; F Rossano; P Catalanotti; G Liguori; C Capasso; M T Ceccarelli; P Marinelli
Journal:  Infect Immun       Date:  1994-04       Impact factor: 3.441

10.  Bactericidal and morphological effects of amoxicillin on Helicobacter pylori.

Authors:  V Berry; K Jennings; G Woodnutt
Journal:  Antimicrob Agents Chemother       Date:  1995-08       Impact factor: 5.191
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  38 in total

1.  In vitro anti-Helicobacter pylori activities of new rifamycin derivatives, KRM-1648 and KRM-1657.

Authors:  J K Akada; M Shirai; K Fujii; K Okita; T Nakazawa
Journal:  Antimicrob Agents Chemother       Date:  1999-05       Impact factor: 5.191

2.  Peptidoglycan crosslinking relaxation promotes Helicobacter pylori's helical shape and stomach colonization.

Authors:  Laura K Sycuro; Zachary Pincus; Kimberley D Gutierrez; Jacob Biboy; Chelsea A Stern; Waldemar Vollmer; Nina R Salama
Journal:  Cell       Date:  2010-05-28       Impact factor: 41.582

3.  Competition of various beta-lactam antibiotics for the major penicillin-binding proteins of Helicobacter pylori: antibacterial activity and effects on bacterial morphology.

Authors:  C R DeLoney; N L Schiller
Journal:  Antimicrob Agents Chemother       Date:  1999-11       Impact factor: 5.191

Review 4.  Putative mechanisms and biological role of coccoid form formation in Campylobacter jejuni.

Authors:  N Ikeda; A V Karlyshev
Journal:  Eur J Microbiol Immunol (Bp)       Date:  2012-03-17

5.  Coccoid Helicobacter pylori exists in the palatine tonsils of patients with IgA nephropathy.

Authors:  Kenichiro Kusano; Akira Inokuchi; Kazuma Fujimoto; Hiroshi Miyamoto; Osamu Tokunaga; Yuichiro Kuratomi; Rintaro Shimazu; Daisuke Mori; Fumio Yamasaki; Kazuki Kidera; Kyoko Tsunetomi; Junji Miyazaki
Journal:  J Gastroenterol       Date:  2009-12-08       Impact factor: 7.527

6.  The morphological transition of Helicobacter pylori cells from spiral to coccoid is preceded by a substantial modification of the cell wall.

Authors:  K Costa; G Bacher; G Allmaier; M G Dominguez-Bello; L Engstrand; P Falk; M A de Pedro; F García-del Portillo
Journal:  J Bacteriol       Date:  1999-06       Impact factor: 3.490

7.  Survival of Helicobacter pylori in a natural freshwater environment.

Authors:  B L Adams; T C Bates; J D Oliver
Journal:  Appl Environ Microbiol       Date:  2003-12       Impact factor: 4.792

8.  Urease activity and urea gene sequencing of coccoid forms of H. pylori induced by different factors.

Authors:  Fusun Can; Ceren Karahan; Istar Dolapci; Muge Demirbilek; Alper Tekeli; Hande Arslan
Journal:  Curr Microbiol       Date:  2008-01-01       Impact factor: 2.188

9.  Immune responses to differentiated forms of Helicobacter pylori in children with epigastric pain.

Authors:  Bee Ling Ng; Seng Hock Quak; Marion Aw; Kee Tai Goh; Bow Ho
Journal:  Clin Diagn Lab Immunol       Date:  2003-09

10.  Diversity in protein synthesis and viability of Helicobacter pylori coccoid forms in response to various stimuli.

Authors:  H Mizoguchi; T Fujioka; K Kishi; A Nishizono; R Kodama; M Nasu
Journal:  Infect Immun       Date:  1998-11       Impact factor: 3.441
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