Publication Cover
SIL Proceedings, 1922-2010
Internationale Vereinigung für Theoretische und Angewandte Limnologie: Verhandlungen
Volume 21, 1981 - Issue 1
1
Views
2
CrossRef citations to date
0
Altmetric
II. Chemical Limnology

DNA content of the sediment in relation to self-purification in streams polluted by organic wastes

With 2 figures and 1 table in the text

Pages 221-226 | Published online: 01 Dec 2017
 

Summary

A method for extracting DNA from the sediment of running waters is derived from that of Bardtke & Thomanetz. The DNA content is then evaluated by the method described by Burton.

It appears from the results obtained on two organically polluted streams that there is no constant statistical relation between the DNA and the number of bacteria. It seems so, that in the case of the sediments considered, the DNA is mainly extracted from the nonbacterial part of the microbial populations.

The method is easy to apply and seems to give results with sufficient accuracy to allow further experiments on the relation between DNA, microbial biomass and microbial activity in flowing water deposits.

Résumé

Un protocole experimental est décrit visant à l'évaluation de la teneur des sédiments en ADN. Les méthodes employées dérivent de celle de Bardtke & Thomanetz pour l'extraction de l'ADN et de celle de Burton pour son dosage. Elles sont appliquées à deux ruisseaux pollués par des effluents organiques. La relation entre la teneur en ADN et le nombre des bactéries n'est pas constante: il semble qu'une grande partie de l'ADN soit extrait de la fraction non bacterienne des populations microbiennes.

Cette méthode, relativement simple d'emploi devrait pouvoir constituer une aide à l'évaluation de l'activit´ microbienne des sédiments.

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.