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Literature DB >> 16000777

Survey of motile microaerophilic bacterial morphotypes in the oxygen gradient above a marine sulfidic sediment.

Abstract

Enrichment cultures for free-swimming microaerophilic bacteria were prepared from marine sulfidic sediment samples (Nivå Bay, Denmark). We observed nine different morphotypes; three of these morphotypes represented already-described species, i.e., Thiovulum majus, "Candidatus Ovobacter propellens," and an as-yet-unnamed large vibrioid bacterium. In addition, we observed several morphotypes of spirilla and one vibrioid morphotype. A common feature of all investigated bacteria was that they aggregated chemotactically at the oxic-anoxic interface, whereas preferred oxygen concentration were in the range of 1 to 10 muM. The motile behavior and flagellar dynamics are analyzed in detail with an emphasis on spirilla.

Entities: Chemical Species

Mesh：

Substances：
Sulfides
Oxygen

Year: 2005 PMID： 16000777 PMCID： PMC1168987 DOI： 10.1128/AEM.71.7.3682-3691.2005

Source DB: PubMed Journal: Appl Environ Microbiol ISSN： 0099-2240 Impact factor: 4.792

25 in total

1. Real-time imaging of fluorescent flagellar filaments.

Authors: L Turner; W S Ryu; H C Berg
Journal: J Bacteriol Date: 2000-05 Impact factor: 3.490

2. Bacterial swimming strategies and turbulence.

Authors: R H Luchsinger; B Bergersen; J G Mitchell
Journal: Biophys J Date: 1999-11 Impact factor: 4.033

3. Bacteria are not too small for spatial sensing of chemical gradients: an experimental evidence.

Authors: Roland Thar; Michael Kuhl
Journal: Proc Natl Acad Sci U S A Date: 2003-04-28 Impact factor: 11.205

4. Conspicuous veils formed by vibrioid bacteria on sulfidic marine sediment.

Authors: Roland Thar; Michael Kühl
Journal: Appl Environ Microbiol Date: 2002-12 Impact factor: 4.792

5. Bacterial tracking of motile algae.

Authors: Greg M Barbara; James G Mitchell
Journal: FEMS Microbiol Ecol Date: 2003-05-01 Impact factor: 4.194

6. "Candidatus Ovobacter propellens": a large conspicuous prokaryote with an unusual motility behaviour.

Authors: Tom Fenchel; Roland Thar
Journal: FEMS Microbiol Ecol Date: 2004-05-01 Impact factor: 4.194

7. Oxygen Responses and Mat Formation by Beggiatoa spp.

Authors: M M Møller; L P Nielsen; B B Jørgensen
Journal: Appl Environ Microbiol Date: 1985-08 Impact factor: 4.792

8. Minimum size limit for useful locomotion by free-swimming microbes.

Authors: D B Dusenbery
Journal: Proc Natl Acad Sci U S A Date: 1997-09-30 Impact factor: 11.205

9. Isolation and characterization of novel iron-oxidizing bacteria that grow at circumneutral pH.

Authors: D Emerson; C Moyer
Journal: Appl Environ Microbiol Date: 1997-12 Impact factor: 4.792

10. Marine bacterial organisation around point-like sources of amino acids.

Authors: Greg M Barbara; James G Mitchell
Journal: FEMS Microbiol Ecol Date: 2003-02-01 Impact factor: 4.194

10 in total

1. Identification of "Candidatus Thioturbo danicus," a microaerophilic bacterium that builds conspicuous veils on sulfidic sediments.

Authors: Gerard Muyzer; Esengül Yildirim; Udo van Dongen; Michael Kühl; Roland Thar
Journal: Appl Environ Microbiol Date: 2005-12 Impact factor: 4.792

2. Isolation, characterization, and ecology of cold-active, chemolithotrophic, sulfur-oxidizing bacteria from perennially ice-covered Lake Fryxell, Antarctica.

Authors: W Matthew Sattley; Michael T Madigan
Journal: Appl Environ Microbiol Date: 2006-08 Impact factor: 4.792

Survey of motile microaerophilic bacterial morphotypes in the oxygen gradient above a marine sulfidic sediment.

1. Real-time imaging of fluorescent flagellar filaments.

2. Bacterial swimming strategies and turbulence.

3. Bacteria are not too small for spatial sensing of chemical gradients: an experimental evidence.

4. Conspicuous veils formed by vibrioid bacteria on sulfidic marine sediment.

5. Bacterial tracking of motile algae.

6. "Candidatus Ovobacter propellens": a large conspicuous prokaryote with an unusual motility behaviour.

7. Oxygen Responses and Mat Formation by Beggiatoa spp.

8. Minimum size limit for useful locomotion by free-swimming microbes.

9. Isolation and characterization of novel iron-oxidizing bacteria that grow at circumneutral pH.

10. Marine bacterial organisation around point-like sources of amino acids.

1. Identification of "Candidatus Thioturbo danicus," a microaerophilic bacterium that builds conspicuous veils on sulfidic sediments.

2. Isolation, characterization, and ecology of cold-active, chemolithotrophic, sulfur-oxidizing bacteria from perennially ice-covered Lake Fryxell, Antarctica.

Review 3. The selective value of bacterial shape.

Review 4. Ecology and physics of bacterial chemotaxis in the ocean.

5. Diversity of magneto-aerotactic behaviors and oxygen sensing mechanisms in cultured magnetotactic bacteria.

6. Sudden motility reversal indicates sensing of magnetic field gradients in Magnetospirillum magneticum AMB-1 strain.

7. Motility of Electric Cable Bacteria.

8. Influence of magnetic fields on magneto-aerotaxis.

9. Chemotaxis in external fields: Simulations for active magnetic biological matter.

10. Diversity Takes Shape: Understanding the Mechanistic and Adaptive Basis of Bacterial Morphology.