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2019
1 Strand, David; Johnsen, Stein Ivar; Rusch, Johannes; Agersnap, Sune; Larsen, William Brenner; Knudsen, Steen Wilhelm; Møller, Peter Rask; Vrålstad, Trude.
Monitoring a Norwegian freshwater crayfish tragedy: eDNA snapshots of invasion, infection and extinction. Journal of Applied Ecology 2019 ;Volum 56.(7) s. 1661-1673
NINA NIVA UiO VETINST Untitled
 
2018
2 Rusch, Johannes; Hansen, Haakon; Strand, David; Markussen, Turhan; Hytterød, Sigurd; Vrålstad, Trude.
Catching the fish with the worm: A case study on eDNA detection of the monogenean parasite Gyrodactylus salaris and two of its hosts, Atlantic salmon (Salmo salar) and rainbow trout (Oncorhynchus mykiss). Parasites & Vectors 2018 ;Volum 11.(333) s. 1-12
UiO NMBU VETINST Untitled
 
3 Wittwer, Claudia; Nowak, Carsten; Strand, David Allan; Vrålstad, Trude; Thines, Marco; Stoll, Stefan.
Comparison of two water sampling approaches for eDNA-based crayfish plague detection. Limnologica 2018 ;Volum 70. s. 1-9
NIVA VETINST Untitled
 
4 Wittwer, Claudia; Stoll, Stefan; Strand, David; Vrålstad, Trude; Nowak, Carsten; Thines, Marco.
eDNA-based crayfish plague monitoring is superior to conventional trap-based assessments in year-round detection probability. Hydrobiologia 2018 ;Volum 807.(1) s. 87-97
NIVA VETINST Untitled
 
2017
5 Agersnap, Sune; Larsen, William Brenner; Knudsen, Steen Wilhelm; Strand, David; Thomsen, Philip Francis; Hesselsøe, Martin; Mortensen, Peter Bondgaard; Vrålstad, Trude; Møller, Peter Rask.
Monitoring of noble, signal and narrow-clawed crayfish using environmental DNA from freshwater samples. PLOS ONE 2017 ;Volum 12.(6) s. -
VETINST Untitled
 
6 Vrålstad, Trude.
FLYTENDE LABORATORIUM VIL VARSLE OM SMITTE OG RØMNING. Magasinet Én helse 2017 (2) s. 22-22
VETINST Untitled
 
2016
7 Leese, Florian; Altermatt, F; Bouchez, A; Ekrem, Torbjørn; Hering, D; Meissner, K; Mergen, P; Pawlowski, J; Piggott, JJ; Rimet, F; Steinke, D; Taberlet, P; Weigand, AM; Abarankov, K; Beja, P; Bervoets, L; Björnsdóttir, S; Boets, P; Boggero, A; Bones, Atle M.; Vrålstad, Trude.
DNAqua-Net: Developing new genetic tools for bioassessment and monitoring of aquatic ecosystems in Europe. Research Ideas and Outcomes_RIO 2016 ;Volum 2.
NTNU VETINST Untitled
 
8 Vrålstad, Trude; Haande, Sigrid.
Mindre sjarm med krepsetarm. Forskning.no : nettavis med nyheter fra norsk og internasjonal forskning 2016
NIVA VETINST Untitled
 
9 Vrålstad, Trude; Skaar, Ida.
Biosikkerhet og EUS – hva vet vi og hva vet vi ikke?. Norsk Fiskeoppdrett 2016 ;Volum 3. s. 40-41
VETINST Untitled
 
2015
10 Aamot, Heidi; Ward, Todd J.; Brodal, Guro; Vrålstad, Trude; Larsen, Gunnar Bræck; Klemsdal, Sonja; Elameen, Abdelhameed; Uhlig, Silvio; Hofgaard, Ingerd Skow.
Genetic and phenotypic diversity within the Fusarium graminearum species complex in Norway. European journal of plant pathology 2015 ;Volum 142.(3) s. 501-519
NIBIO VETINST Untitled
 
11 Negård, Mariell; Uhlig, Silvio; Kauserud, Håvard; Andersen, Tom; Høiland, Klaus; Vrålstad, Trude.
Links between genetic groups, indole alkaloid profiles and ecology within the grass-parasitic Claviceps purpurea species complex. Toxins 2015 ;Volum 7.(5) Suppl. 1 s. 1431-1456
STAMI UiO VETINST Untitled
 
12 Thoen, Even; Vrålstad, Trude; Rolen, Elin; Kristensen, Ralf; Evensen, Øystein; Skaar, Ida.
Saprolegnia species in Norwegian salmon hatcheries: field survey identifies S. diclina sub-clade IIIB as the dominating taxon. Diseases of Aquatic Organisms 2015 ;Volum 114.(3) s. 189-198
NMBU VETINST Untitled
 
2014
13 Grandjean, Frederic; Vrålstad, Trude; Dieguez-Uribeondo, Javier; Jelic, M; Mangombi, J; Delaunay, C; Filipova, Lenka; Rezinciuc, S; Kozubikova-Balcarova, E; Guyonnet, D; Viljamaa-Dirks, Satu; Petrusek, Adam.
Microsatellite markers for direct genotyping of the crayfish plague pathogen Aphanomyces astaci (Oomycetes) from infected host tissues. Veterinary Microbiology 2014 ;Volum 170.(3-4) s. 317-324
UiO VETINST Untitled
 
14 Johnsen, Stein Ivar; Garnås, Erik; Skurdal, Jostein; Strand, David; Vrålstad, Trude.
Edelkreps - Ettertraktet og sterkt truet. Jakt og fiske 2014 (8) s. 90-91
NINA NIVA UiO VETINST Untitled
 
15 Sandström, Alfred; Andersson, Magnus; Asp, Anders; Bohman, Patrik; Edsman, Lennart; Engdahl, Fredrik; Nyström, Per; Stenberg, Marika; Hertonsson, Pia; Vrålstad, Trude; Graneli, Wilhelm.
Population collapses in introduced non-indigenous crayfish. Biological Invasions 2014 ;Volum 16.(9) s. 1961-1977
VETINST Untitled
 
16 Strand, David; Jussila, Japo; Johnsen, Stein Ivar; Viljamaa-Dirks, Satu; Edsman, Lennart; Wiik-Nielsen, Jannicke; Viljugrein, Hildegunn; Engdahl, Frederik; Vrålstad, Trude.
Detection of crayfish plague spores in large freshwater systems. Journal of Applied Ecology 2014 ;Volum 51.(2) s. 544-553
NINA UiO VETINST Untitled
 
17 Svoboda, Jiri; Strand, David; Vrålstad, Trude; Grandjean, Frederic; Edsman, Lennart; Kozak, P; Kouba, A; Fristad, Rosa Ferreira; Bahadir Koca, S; Petrusek, Adam.
The crayfish plague pathogen can infect freshwater-inhabiting crabs. Freshwater Biology 2014 ;Volum 59.(5) s. 918-929
UiO VETINST Untitled
 
18 Uhlig, Silvio; Jacobsen, Wolfgang Mathias; Vrålstad, Trude; Miles, Christopher Owen.
Indole-diterpenoid profiles of Claviceps paspali and Claviceps purpurea from high-resolution Fourier transform Orbitrap mass spectrometry. Rapid Communications in Mass Spectrometry 2014 ;Volum 28.(14) s. 1621-1634
UiO VETINST Untitled
 
19 Vrålstad, Trude; Strand, David; Grandjean, Frederic; Kvellestad, Agnar; Håstein, Tore; Knutsen, Ann Kristin; Taugbøl, Trond; Skaar, Ida.
Molecular detection and genotyping of Aphanomyces astaci directly from preserved crayfish samples uncovers the Norwegian crayfish plague disease history. Veterinary Microbiology 2014 ;Volum 173.(1-2) s. 66-75
NINA UiO VETINST Untitled
 
2013
20 Ali, Shimaa; Thoen, Even; Vrålstad, Trude; Kristensen, Ralf; Evensen, Øystein; Skaar, Ida.
Development and reproduction of Saprolegnia species in biofilms. Veterinary Microbiology 2013 ;Volum 163.(1-2) s. 133-141
NMBU VETINST Untitled
 
21 Makkonen, Jenny; Strand, David; Kokko, Harri; Vrålstad, Trude; Jussila, Japo.
Timing and quantifying Aphanomyces astaci sporulation from the noble crayfish suffering from the crayfish plague. Veterinary Microbiology 2013 ;Volum 162.(2-4) s. 750-755
UiO VETINST Untitled
 
22 Schrimpf, Anne; Maiwald, Torsten; Vrålstad, Trude; Schulz, Holger; Smietána, Przemyslaw; Schulz, Ralf.
Absence of the crayfish plague pathogen (Aphanomyces astaci) facilitates coexistence of European and American crayfish in central Europe. Freshwater Biology 2013 ;Volum 58.(6) s. 1116-1125
UiO VETINST Untitled
 
23 Vrålstad, Trude.
Jakten på krepsepest. Forskning.no : nettavis med nyheter fra norsk og internasjonal forskning 2013
UiO VETINST Untitled
 
2012
24 Carlsen, Tor; Aas, Anders Bjørnsgard; Lindner, D; Vrålstad, Trude; Schumacher, Trond; Kauserud, Håvard.
Don't make a mista(g)ke: is tag switching an overlooked source of error in amplicon pyrosequencing studies?. Fungal ecology 2012 ;Volum 5.(6) s. 747-749
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25 Pârvulescu, Lucian; Schrimpf, Anne; Kozubikova, Eva; Resino, Sara Cabanillas; Vrålstad, Trude; Petrusek, Adam; Schulz, Ralf.
Invasive crayfish and crayfish plague on the move: first detection of the plague agent Aphanomyces astaci in the Romanian Danube. Diseases of Aquatic Organisms 2012 ;Volum 98.(1) s. 85-94
UiO VETINST Untitled
 
26 Strand, David; Jussila, Japo; Viljamaa-Dirks, Satu; Kokko, Harri; Makkonen, Jenny; Holst-Jensen, Arne; Viljugrein, Hildegunn; Vrålstad, Trude.
Monitoring the spore dynamics of Aphanomyces astaci in the ambient water of latent carrier crayfish. Veterinary Microbiology 2012 ;Volum 160.(1-2) s. 99-107
UiO VETINST Untitled
 
2011
27 Gjessing, Mona Cecilie; Davey, Marie; Kvellestad, Agnar; Vrålstad, Trude.
Exophiala angulospora causes systemic inflammation in Atlantic cod Gadus morhua. Diseases of Aquatic Organisms 2011 ;Volum 96.(3) s. 209-219
UiO NMBU VETINST Untitled
 
28 Holst-Jensen, Arne; Vrålstad, Trude.
Ekte trøffel i Norge?. Våre nyttevekster 2011 ;Volum 7.(2) s. 12-15
UiO VETINST Untitled
 
29 Kozubikova, Eva; Vrålstad, Trude; Filipova, Lenka; Petrusek, Adam.
Re-examination of the prevalence of Aphanomyces astaci in North American crayfish populations in Central Europe by TaqMan MGB real-time PCR. Diseases of Aquatic Organisms 2011 ;Volum 97.(2) s. 113-125
UiO VETINST Untitled
 
30 Skov, Christian; Aarestrup, Kim; Sivebaek, Finn; Pedersen, Stig; Vrålstad, Trude; Berg, Søren.
Non-indigenous signal crayfish Pacifastacus leniusculus are now common in Danish streams: preliminary status for national distribution and protective actions. Biological Invasions 2011 ;Volum 13.(6) s. 1269-1274
VETINST Untitled
 
31 Strand, David; Holst-Jensen, Arne; Viljugrein, Hildegunn; Edvardsen, Bente; Klaveness, Dag; Jussila, Japo; Vrålstad, Trude.
Detection and quantification of the crayfish plague agent in natural waters: direct monitoring approach for aquatic environments. Diseases of Aquatic Organisms 2011 ;Volum 95.(1) s. 9-17
UiO VETINST Untitled
 
32 Uhlig, Silvio; Petersen, Dirk; Rolen, Elin; Jacobsen, Wolfgang Mathias; Vrålstad, Trude.
Ergosedmine, a new peptide ergot alkaloid (ergopeptine) from the ergot fungus, Claviceps purpurea parasitizing Calamagrostis arundinacea. Phytochemistry Letters 2011 ;Volum 4.(2) s. 79-85
UiO VETINST Untitled
 
33 Vrålstad, Trude.
ITS, OTUs and beyond - fungal hyperdiversity calls for supplementary solutions. Molecular Ecology 2011 ;Volum 20.(14) s. 2873-2875
UiO VETINST Untitled
 
34 Vrålstad, Trude; Johnsen, Stein Ivar; Fristad, Rosa Ferreira; Edsmann, Lennart; Strand, David.
Potent infection reservoir of crayfish plague now permanently established in Norway. Diseases of Aquatic Organisms 2011 ;Volum 97.(1) s. 75-83
NINA UiO VETINST Untitled
 
2010
35 Uhlig, Silvio; Petersen, Dirk; Rolen, Elin; Egge-Jacobsen, Wolfgang; Vrålstad, Trude.
Ergosedmine, a new peptide ergot alkaloid (ergopeptine) from the ergot fungus, Claviceps purpurea parasitizing Calamagrostis arundinacea. Phytochemistry Letters 2010 ;Volum 4.(2) s. 79-85
UiO VETINST Untitled
 
36 Abarenkov, Kessy; Nilsson, R. Henrik; Larsson, Karl-Henrik; Alexander, Ian J.; Eberhardt, Ursula; Erland, Susanne; Høiland, Klaus; Kjøller, Rasmus; Larsson, Ellen; Pennanen, Taina; Sen, Robin; Taylor, Andy F. S.; Tedersoo, Leho; Ursing, Björn M.; Vrålstad, Trude; Liimatainen, Kare; Peintner, Ursula; Kõljalg, Urmas.
The UNITE database for molecular identification of fungi - recent updates and future perspectives. New Phytologist 2010 ;Volum 186.(2) s. 281-285
UiO Untitled
 
37 Bjorbækmo, Marit Markussen; Carlsen, Tor; Brysting, Anne Krag; Vrålstad, Trude; Høiland, Klaus; Ugland, Karl Inne; Geml, Jozsef; Schumacher, Trond; Kauserud, Håvard.
High diversity of root associated fungi in both alpine and arctic Dryas octopetala. BMC Plant Biology 2010 ;Volum 10. s. -
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38 Grelet, Gwen; Johnson, David; Vrålstad, Trude; Alexander, Ian J.; Anderson, Ian.
New insights into the mycorrhizal Rhizoscyphus ericae aggregate: spatial structure and co-colonization of ectomycorrhizal and ericoid roots. New Phytologist 2010 ;Volum 188.(1) s. 210-222
UiO Untitled
 
2009
39 Vrålstad, Trude; Strand, David; Johnsen, Stein Ivar.
If you can't eat them - beat them! I Norge skal pestkreps bekjempes, ikke nytes. Sopp og nyttevekster 2009 ;Volum 5.(4) s. 36-40
NINA UiO Untitled
 
40 Uhlig, Silvio; Botha, Christo; Vrålstad, Trude; Rolen, Elin; Miles, Christopher.
Indole-Diterpenes and Ergot Alkaloids in Cynodon dactylon (Bermuda Grass) Infected with Claviceps cynodontis from an Outbreak of Tremors in Cattle. Journal of Agricultural and Food Chemistry 2009 ;Volum 57. s. 11112-11119
VETINST Untitled
 
41 Vrålstad, Trude; Knutsen, Ann Kristin; Tengs, Torstein; Holst-Jensen, Arne.
A quantitative TaqMan (R) MGB real-time polymerase chain reaction based assay for detection of the causative agent of crayfish plague Aphanomyces astaci. Veterinary Microbiology 2009 ;Volum 137. s. 146-155
VETINST Untitled
 
2008
42 Hageskal, G; Vrålstad, Trude; Knutsen, Ann kristin; Skaar, Hanne Ida.
Exploring the species diversity of Trichoderma in Norwegian drinking water systems by DNA barcoding. Molecular Ecology Resources 2008 ;Volum 8. s. 1178-1188
VETINST Untitled
 
2007
43 Johnsen, Stein Ivar; Taugbøl, Trond; Andersen, Oddgeir; Museth, Jon; Vrålstad, Trude.
The first record of the non-indigenous signal crayfish Pasifastacus leniusculus in Norway. Biological Invasions 2007 ;Volum 9. s. 939-941
NINA VETINST Untitled
 
2006
44 Vrålstad, Trude.
Aphanomyces astaci – harmløs i Nord Amerika, dødelig i Europa. Agarica 2006 ;Volum 26. s. 19-26
UiO VETINST Untitled
 
2005
45 Adriaensen, Kristin; Vrålstad, Trude; Noben, JP; Vangronsveld, Jaco; Colpaert, Jan V..
Copper-adapted Suillus luteus, a symbiotic solution for pines colonizing Cu mine spoils. Applied and Environmental Microbiology 2005 ;Volum 71. s. 7279-7284
UiO Untitled
 
46 Kõljalg, Urmas; Larsson, Karl-Henrik; Abarenkov, Kessy; Nilsson, R. Henrik; Alexander, Ian J.; Eberhardt, Ursula; Erland, Susanne; Høiland, Klaus; Kjøller, Rasmus; Larsson, Ellen; Pennanen, Taina; Sen, Robin; Taylor, Andy F.S.; Tedersoo, Leho; Vrålstad, Trude; Ursing, Björn M..
UNITE: a database providing web-based methods for the molecular identification of ectomycorrhizal fungi. New Phytologist 2005 ;Volum 166. s. 1063-1068
UiO Untitled
 
2004
47 Holst-Jensen, Arne; Vrålstad, Trude; Schumacher, Trond.
Kohninia linnaeicola, a new genus and species of the Sclerotiniaceae pathogenic to Linnaea borealis. Mycologia 2004 ;Volum 96.(1) s. 135-142
UiO VETINST Untitled
 
48 Holst-Jensen, Arne; Vrålstad, Trude; Schumacher, Trond.
On reliability. New Phytologist 2004 ;Volum 161. s. 11-13
UiO VETINST Untitled
 
49 Vrålstad, Trude.
Are ericoid and ectomycorrhizal fungi part of a common guild?. New Phytologist 2004 ;Volum 164.(1) s. 7-10
UiO Untitled
 
2002
50 Vrålstad, Trude.
Hva med sex etter dramatiske forstyrrelser eller i stressede miljøer?. Viten (www.viten.com) 2002 ;Volum Tema: Sopp.
UiO Untitled
 
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