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Monitoring of a pyrite-oxidising bacterial population using DNA single-strand conformation polymorphism and microscopic techniques.

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Title: Monitoring of a pyrite-oxidising bacterial population using DNA single-strand conformation polymorphism and microscopic techniques.
Authors: Battaglia-Brunet, F.1 f.battaglia@brgm.fr, Clarens, M.2, D'Hugues, P.1, Godon, J. J.3, Foucher, S.1, Morin, D.1
Source: Applied Microbiology & Biotechnology. Oct2002, Vol. 60 Issue 1/2, p206-211. 6p. 1 Chart, 3 Graphs.
Subjects: Oxidation, Organisms, Bioreactors, Polymerase chain reaction
Abstract: The single-strand conformation polymorphism (SSCP) technique was used to study the evolution of a bacterial consortium during the batch oxidation of a cobaltiferous pyrite in two types of bio-reactor: a bubble column and a classical stirred tank. Sequencing 16S rDNA revealed the presence of three organisms affiliated to Leptospirillum ferrooxidans, Acidithiobacillus thiooxidans and Sulfobacillus thermosulfidooxidans, respectively. Attempts were made to determine the proportions of bacteria attached to solid particles or freely suspended in the medium using a combination of PCR-SSCP and a microscopic technique. Ac. thiooxidans-related bacteria were dominant in the liquid during the early phase of the batch, but were later supplanted by L. ferrooxidans-related bacteria. L. ferrooxidans-related organisms were always in the majority on the solids. The growth of S. thermosulfidooxidans-related bacteria seemed to be favoured by the bubble-column reactor. [ABSTRACT FROM AUTHOR]
Copyright of Applied Microbiology & Biotechnology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: <searchLink fieldCode="JN" term="%22Applied+Microbiology+%26+Biotechnology%22">Applied Microbiology & Biotechnology</searchLink>. Oct2002, Vol. 60 Issue 1/2, p206-211. 6p. 1 Chart, 3 Graphs.
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  Data: The single-strand conformation polymorphism (SSCP) technique was used to study the evolution of a bacterial consortium during the batch oxidation of a cobaltiferous pyrite in two types of bio-reactor: a bubble column and a classical stirred tank. Sequencing 16S rDNA revealed the presence of three organisms affiliated to Leptospirillum ferrooxidans, Acidithiobacillus thiooxidans and Sulfobacillus thermosulfidooxidans, respectively. Attempts were made to determine the proportions of bacteria attached to solid particles or freely suspended in the medium using a combination of PCR-SSCP and a microscopic technique. Ac. thiooxidans-related bacteria were dominant in the liquid during the early phase of the batch, but were later supplanted by L. ferrooxidans-related bacteria. L. ferrooxidans-related organisms were always in the majority on the solids. The growth of S. thermosulfidooxidans-related bacteria seemed to be favoured by the bubble-column reactor. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Applied Microbiology & Biotechnology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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