R M Niemi
Affiliation: Finnish Environment Institute
- Extraction and purification of DNA in rhizosphere soil samples for PCR-DGGE analysis of bacterial consortiaR Maarit Niemi
Finnish Environment Institute, PO Box 140 FIN 00251, Helsinki, Finland
J Microbiol Methods 45:155-65. 2001..Both the isolation and purification methods affected the apparent bacterial community structure of the samples...
- Comparison of methods for determining the numbers and species distribution of coliform bacteria in well water samplesR M Niemi
Finnish Environment Institute, University of Helsinki, Helsinki, Finland
J Appl Microbiol 90:850-8. 2001..The yield of target bacteria and the species composition of different populations of coliform bacteria may depend on the method.Three methods were compared...
- Sample storage for soil enzyme activity and bacterial community profilesK Wallenius
University of Helsinki, Department of Food and Environmental Sciences, PO Box 56, FI 00014 University of Helsinki, Finland
J Microbiol Methods 81:48-55. 2010..The bacterial LH-PCR community fingerprints were unaffected by frozen storage in all matrices. The effect of storage treatments was tested using a new statistical method based on showing similarity rather than difference of results...