Search Results - "Torsvik, V."

Microbial diversity and community structure in two different agricultural soil communities by Ovreas, L. (University of Bergen, Bergen, Norway.), Torsvik, V

“…In this study, two different agricultural soils were investigated: one organic soil and one sandy soil, from Stend (south of Bergen), Norway. The sandy soil…”
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Microbial diversity in soil: ecological theories, the contribution of molecular techniques and the impact of transgenic plants and transgenic microorganisms by Lynch, J.M, Benedetti, A, Insam, H, Nuti, M.P, Smalla, K, Torsvik, V, Nannipieri, P

“…This review mainly discusses three related topics: the application of ecological theories to soil, the measurement of microbial diversity by molecular…”
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Distribution of bacterioplankton in meromictic Lake Saelenvannet, as determined by denaturing gradient gel electrophoresis of PCR-amplified gene fragments coding for 16S rRNA by ØVREAS, L, FORNEY, L, DAAE, F. L, TORSVIK, V

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Total bacterial diversity in soil and sediment communities—A review by Torsvik, V, Sørheim, R, Goksøyr, J

“…Advances in microbial methods have demonstrated that microorganisms globally are the dominating organisms both concerning biomass and diversity. Their…”
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Influence of long-term heavy-metal contamination on microbial communities in soil by Sandaa, R.-A, Torsvik, V, Enger, Ø

“…Dot blot hybridization with group specific probes and restriction fragment length polymorphism (RFLP) were used for assessing the effect of long-term sewage…”
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Diversity of life in ocean floor basalt by Thorseth, I.H., Torsvik, T., Torsvik, V., Daae, F.L., Pedersen, R.B.

“…Electron microscopy and biomolecular methods have been used to describe and identify microbial communities inhabiting the glassy margins of ocean floor…”
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High diversity in DNA of soil bacteria by TORSVIK, V, GOKS¬○YR, J, DAAE, F. L

“…Soil bacterium DNA was isolated by minor modifications of previously described methods. After purification on hydroxyapatite and precipitation with…”
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Characterization of Microbial Diversity in Hypersaline Environments by Melting Profiles and Reassociation Kinetics in Combination with Terminal Restriction Fragment Length Polymorphism (T-RFLP) by Øvreås, L, Daae, F L, Torsvik, V, Rodríguez-Valera, F

“…The diversity of prokaryotes inhabiting solar saltern ponds was determined by thermal melting and reassociation of community DNA. These measurements were…”
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Conjugative plasmids isolated from bacteria in marine environments show various degrees of homology to each other and are not closely related to well-characterized plasmids by DAHLBERG, C, LINBERG, C, TORSVIK, V. L, HERMANSSON, M

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Comparison of phenotypic diversity and DNA heterogeneity in population of soil bacteria by Torsvik, V. (University of Bergen, Jahnebakken, Bergen, Norway), Salte, K, Sorheim, R, Goksoyr, J

“…The phenotypic diversity of about 200 bacterial strains isolated from soil was compared with the genotypic diversity of the same population. The strains were…”
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Archaeal communities in High Arctic wetlands at Spitsbergen, Norway (78°N) as characterized by 16S rRNA gene fingerprinting by Høj, Lone, Olsen, Rolf A., Torsvik, Vigdis L.

“…Emissions of the greenhouse gas methane from Arctic wetlands have been studied extensively, though little is known about the ecology and community structure of…”
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Methanotrophic diversity in an agricultural soil as evaluated by denaturing gradient gel electrophoresis profiles of pmoA, mxaF and 16S rDNA sequences by Fjellbirkeland, A, Torsvik, V, Ovreås, L

“…Molecular methods were used to characterize the diversity of a methanotrophic population in an agricultural soil. For this purpose we have used DGGE analysis…”
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Microenvironments and microbial community structure in sediments by Tankéré, S. P. C., Bourne, D. G., Muller, F. L. L., Torsvik, V.

“…Summary The aim of this study was to explore the potential of a combined chemical and microbiological approach as part of a study of organic carbon oxidation…”
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Whole-cell hybridization of Methanosarcina cells with two new oligonucleotide probes by SØRENSEN, A. H, TORSVIK, V. L, TORSVIK, T, POULSEN, L. K, AHRING, B. K

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Direct extraction and purification of rRNA for ecological studies by Moran, M.A. (University of Georgia, Athens, GA), Torsvik, V.L, Torsvik, T, Hodson, R.E

“…Microgram quantities of rRNA were recovered from natural microbial communities in sediment, soil, and water with a lysozyme-hot phenol direct extraction…”
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Rapid method for fluorometric quantification of DNA in soil by Sandaa, R.-A., Enger, Ø., Torsvik, V.

“…We present a new method for the quantification of DNA in soil. This method is based on a fluorescent dye, PicoGreen (Molecular Probes), that binds specifically…”
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Effects of fenpropimorph on bacteria and fungi during decomposition of barley roots by Thirup, L., Johnsen, K., Torsvik, V., Spliid, N.H., Jacobsen, C.S.

“…The study examined the effects of the fungicide fenpropimorph (in the formulation Corbel) on primary decomposer organisms in soil. Bacterial and fungal…”
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Microbial diversity and function in soil: from genes to ecosystems by Torsvik, Vigdis, Øvreås, Lise

“…Soils sustain an immense diversity of microbes, which, to a large extent, remains unexplored. A range of novel methods, most of which are based on rRNA and…”
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Analysis of Broad-scale Differences in Microbial Community Composition of Two Pristine Forest Soils by Chatzinotas, Antonis, Sandaa, Ruth-Anne, Schönhuber, Wilhelm, Amann, Rudolf, Daae, Frida Lise, Torsvik, Vigdis, Zeyer, Josef, Hahn, Dittmar

“…Broad-scale differences in soil microbial community composition were analyzed in two contrasting soils using DNA reassociation and % G+C profiles for analysis…”
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Prokaryotic Diversity: Magnitude, Dynamics, and Controlling Factors by Torsvik, Vigdis, Øvreås, Lise, Thingstad, Tron Frede

“…There are probably millions of species in the microorganismal domains Bacteria and Archaea (the prokaryotes), and we are only just beginning to work out the…”
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