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2021
1 Velle, Gaute; Edsman, Lennart; Evangelista, Charlotte; Johnsen, Stein Ivar; Malmstrøm, Martin; Vrålstad, Trude; de Boer, Hugo; Eldegard, Katrine; Hindar, Kjetil; Hole, Lars Robert; Kausrud, Kyrre Linné; Järnegren, Johanna; Måren, Inger Elisabeth; Nilsen, Erlend Birkeland; Rueness, Eli Knispel; Thorstad, Eva Bonsak; Nielsen, Anders.
Assessment of the risk to Norwegian biodiversity from import and keeping of crustaceans in freshwater aquaria. Scientific Opinion of the Panel on Alien Organisms and Trade in Endangered Species of the Norwegian Scientific Committee for Food and Environment. VKM Report 2021 ;Volum 2021.(02) s. 1-377
MET NIBIO NINA NORCE UiB UiO NMBU VETINST Untitled
 
2020
2 Johnsen, Stein Ivar; Strand, David; Rusch, Johannes; Vrålstad, Trude.
Environmental DNA (eDNA) monitoring of noble crayfish astacus astacus in lentic environments offers reliable presence-absence surveillance – but fails to predict population density. Frontiers in Environmental Science 2020 ;Volum 8. s. 1-15
NINA UiO VETINST Untitled
 
3 Rusch, Johannes C.; Mojžišová, Michaela; Strand, David; Svobodová, Jitka; Vrålstad, Trude; Petrusek, Adam.
Simultaneous detection of native and invasive crayfish and Aphanomyces astaci from environmental DNA samples in a wide range of habitats in Central Europe. NeoBiota 2020 ;Volum 58. s. 1-32
UiO VETINST Untitled
 
4 Samdal, Ingunn Anita; Strand, David Allan; Ballot, Andreas; Rusch, Johannes Christopher; Haande, Sigrid; Løvberg, Kjersti Liv Eriksen; Miles, Christopher Owen; Vrålstad, Trude.
Microcystins in European Noble Crayfish Astacus astacus in Lake Steinsfjorden, a Planktothrix-Dominated Lake. Toxins 2020 ;Volum 12.(5) s. -
NIVA UiO VETINST Untitled
 
2019
5 Strand, David A; Johnsen, Stein Ivar; Rusch, Johannes C; 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
6 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
 
7 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
 
8 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
9 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. -
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10 Vrålstad, Trude.
FLYTENDE LABORATORIUM VIL VARSLE OM SMITTE OG RØMNING. Magasinet Én helse 2017 (2) s. 22-22
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2016
11 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
 
12 Vrålstad, Trude; Haande, Sigrid.
Mindre sjarm med krepsetarm. Forskning.no 2016
NIVA VETINST Untitled
 
13 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
14 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
 
15 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
 
16 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
17 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
 
18 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
 
19 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
 
20 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
 
21 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
 
22 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
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23 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
24 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
 
25 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
 
26 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
 
27 Vrålstad, Trude.
Jakten på krepsepest. Forskning.no 2013
UiO VETINST Untitled
 
2012
28 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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29 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
 
30 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
31 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
 
32 Holst-Jensen, Arne; Vrålstad, Trude.
Ekte trøffel i Norge?. Våre nyttevekster 2011 ;Volum 7.(2) s. 12-15
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33 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
 
34 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
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35 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
 
36 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
 
37 Vrålstad, Trude.
ITS, OTUs and beyond - fungal hyperdiversity calls for supplementary solutions. Molecular Ecology 2011 ;Volum 20.(14) s. 2873-2875
UiO VETINST Untitled
 
38 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
39 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
 
40 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
 
41 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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42 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
43 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
 
44 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
 
45 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
46 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
47 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
48 Vrålstad, Trude.
Aphanomyces astaci – harmløs i Nord Amerika, dødelig i Europa. Agarica 2006 ;Volum 26. s. 19-26
UiO VETINST Untitled
 
2005
49 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
 
50 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
 
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