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  Bacterial diversity in the sediments of a temperate artificial lake, Rapel reservoir

Dorador, C., Castillo, G., Witzel, K. P., & Vila, I. (2007). Bacterial diversity in the sediments of a temperate artificial lake, Rapel reservoir. Revista Chilena de Historia Natural, 80(2), 213-224.

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Genre: Journal Article
Alternative Title : Diversidad bacteriana en sedimento de un lago artificial temperado, embalse Rapel

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dorador_2007.pdf (Publisher version), 772KB
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 Creators:
Dorador, Cristina1, Author           
Castillo, Gabriela, Author
Witzel, K. P.1, Author           
Vila, Irma, Author
Affiliations:
1Department Ecophysiology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_976547              

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Free keywords: sediments; sulfate-reducing bacteria; 16S rDNA
 Abstract: Rape] reservoir is an eutrophic system in Chile that has undergone a series of anthropogenic impacts in recent decades. To provide a better understanding of the processes occurring in the reservoir, we examined bacterial composition from surface sediments using traditional microbiology techniques and molecular biology tools. Our results showed significant temporal variation in the physical and chemical composition of the water column, but no depth-related differences during the study period. To detect temporal changes in bacterial composition, cultivable heterotrophic bacteria, heterotrophic iron oxidizing bacteria, and sulfate-reducing bacteria were extracted from the surface sediments and their concentration measured. Microbial diversity in sediments was represented by closest relatives of eight different bacterial phyla. The most frequently recovered phylotypes in the clone library of 16S rDNA were related to sulfate-reducing bacteria belong to the Deltaproteobacteria group.

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Language(s): eng - English
 Dates: 2007-06
 Publication Status: Issued
 Pages: -
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 Rev. Type: -
 Identifiers: eDoc: 322622
Other: 2575/S 38729
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Title: Revista Chilena de Historia Natural
  Alternative Title : Rev. chil. hist. nat.
Source Genre: Journal
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Pages: - Volume / Issue: 80 (2) Sequence Number: - Start / End Page: 213 - 224 Identifier: ISSN: 0716-078X