Tom Øystein Jonassen

  • Research scientist; MSc
  • +47 221 18847

Publications 2011

Lindqvist M, Isaksson B, Grub C, Jonassen TØ, Hällgren A (2011)
Detection and characterisation of SCCmec remnants in multiresistant methicillin-susceptible Staphylococcus aureus causing a clonal outbreak in a Swedish county
Eur J Clin Microbiol Infect Dis, 31 (2), 141-7
DOI 10.1007/s10096-011-1286-y, PubMed 21590357

Publications 2010

Andersen BM, Tollefsen T, Seljordslia B, Hochlin K, Syversen G, Jonassen TØ, Rasch M, Sandvik L (2010)
Rapid MRSA test in exposed persons: costs and savings in hospitals
J Infect, 60 (4), 293-9
DOI 10.1016/j.jinf.2010.01.008, PubMed 20122959

Kran AM, Jonassen TO, Sommerfelt MA, Løvgården G, Sørensen B, Kvale D (2010)
Low frequency of amino acid alterations following therapeutic immunization with HIV-1 Gag p24-like peptides
AIDS, 24 (17), 2609-18
DOI 10.1097/QAD.0b013e32833e502b, PubMed 20935558

Publications 2009

Kran AM, Jonassen TØ, Sannes M, Jakobsen K, Lind A, Maeland A, Holberg-Petersen M (2009)
Overestimation of human immunodeficiency virus type 1 load caused by the presence of cells in plasma from plasma preparation tubes
J Clin Microbiol, 47 (7), 2170-4
DOI 10.1128/JCM.00519-09, PubMed 19420166

Merckoll P, Jonassen TØ, Vad ME, Jeansson SL, Melby KK (2009)
Bacteria, biofilm and honey: a study of the effects of honey on 'planktonic' and biofilm-embedded chronic wound bacteria
Scand J Infect Dis, 41 (5), 341-7
DOI 10.1080/00365540902849383, PubMed 19308800

Publications 2006

Dudman SG, Trøseid M, Jonassen TØ, Steinbakk M (2006)
[Whooping cough--an increasing problem in Norway]
Tidsskr Nor Laegeforen, 126 (3), 305-8
PubMed 16440035

Publications 2005

Stene-Johansen K, Jonassen TØ, Skaug K (2005)
Characterization and genetic variability of Hepatitis A virus genotype IIIA
J Gen Virol, 86 (Pt 10), 2739-2745
DOI 10.1099/vir.0.81155-0, PubMed 16186227

Trøseid M, Jonassen TØ, Steinbakk M (2005)
Isolation of Bordetella pertussis in blood culture from a patient with multiple myeloma
J Infect, 52 (1), e11-3
DOI 10.1016/j.jinf.2005.04.014, PubMed 15936087

Publications 2001

Jonassen CM, Jonassen TØ, Saif YM, Snodgrass DR, Ushijima H, Shimizu M, Grinde B (2001)
Comparison of capsid sequences from human and animal astroviruses
J Gen Virol, 82 (Pt 5), 1061-1067
DOI 10.1099/0022-1317-82-5-1061, PubMed 11297680

Publications 2000

Hungnes O, Jonassen TO, Jonassen CM, Grinde B (2000)
Molecular epidemiology of viral infections. How sequence information helps us understand the evolution and dissemination of viruses
APMIS, 108 (2), 81-97
DOI 10.1034/j.1600-0463.2000.d01-31.x, PubMed 10737453

Jonassen TO, Grinde B, Asjö B, Hasle G, Hungnes O (2000)
Intersubtype recombinant HIV type 1 involving HIV-MAL-like and subtype H-like sequence in four Norwegian cases
AIDS Res Hum Retroviruses, 16 (1), 49-58
DOI 10.1089/088922200309593, PubMed 10628816

Publications 1998

Eskild A, Jonassen TO, Heger B, Samuelsen SO, Grinde B (1998)
The estimated impact of the CCR-5 delta32 gene deletion on HIV disease progression varies with study design. Oslo HIV Cohort Study Group
AIDS, 12 (17), 2271-4
DOI 10.1097/00002030-199817000-00007, PubMed 9863868

Jonassen CM, Jonassen TO, Grinde B (1998)
A common RNA motif in the 3' end of the genomes of astroviruses, avian infectious bronchitis virus and an equine rhinovirus
J Gen Virol, 79 ( Pt 4), 715-8
DOI 10.1099/0022-1317-79-4-715, PubMed 9568965

Publications 1997

Jonassen TO, Stene-Johansen K, Berg ES, Hungnes O, Lindboe CF, Frøland SS, Grinde B (1997)
Sequence analysis of HIV-1 group O from Norwegian patients infected in the 1960s
Virology, 231 (1), 43-7
DOI 10.1006/viro.1997.8510, PubMed 9143301

Monceyron C, Grinde B, Jonassen TO (1997)
Molecular characterisation of the 3'-end of the astrovirus genome
Arch Virol, 142 (4), 699-706
DOI 10.1007/s007050050112, PubMed 9170498

Publications 1996

Grinde B, Jonassen TO (1996)
[The HIV proteinase--a target for antiviral agents]
Tidsskr Nor Laegeforen, 116 (24), 2908-11
PubMed 8975409

Publications 1995

Grinde B, Jonassen TO, Ushijima H (1995)
Sensitive detection of group A rotaviruses by immunomagnetic separation and reverse transcription-polymerase chain reaction
J Virol Methods, 55 (3), 327-38
DOI 10.1016/0166-0934(95)00070-x, PubMed 8609198

Jonassen TO, Monceyron C, Lee TW, Kurtz JB, Grinde B (1995)
Detection of all serotypes of human astrovirus by the polymerase chain reaction
J Virol Methods, 52 (3), 327-34
DOI 10.1016/0166-0934(94)00168-g, PubMed 7541405

Publications 1994

Jonassen TO, Grinde B, Orstavik I (1994)
[Gene therapy. Methods and applications]
Tidsskr Nor Laegeforen, 114 (9), 1070-3
PubMed 8009521

Skaug K, Jonassen TO, Figenschau KJ (1994)
[New cases of HIV infection. Estimation of the time of transmission]
Tidsskr Nor Laegeforen, 114 (18), 2099-101
PubMed 7992264

Publications 1993

Jonassen TO, Kjeldsberg E, Grinde B (1993)
Detection of human astrovirus serotype 1 by the polymerase chain reaction
J Virol Methods, 44 (1), 83-8
DOI 10.1016/0166-0934(93)90010-o, PubMed 8227281

Li H, Ulstrup JC, Jonassen TO, Melby K, Nagai S, Harboe M (1993)
Evidence for absence of the MPB64 gene in some substrains of Mycobacterium bovis BCG
Infect Immun, 61 (5), 1730-4
DOI 10.1128/iai.61.5.1730-1734.1993, PubMed 8478061

Skaug K, Li H, Jonassen TO, Larsen J, Figenschau KJ (1993)
Hepatitis C virus (HCV) RNA among anti-HCV-positive blood donors and their recipients
Vox Sang, 64 (4), 215-9
DOI 10.1111/j.1423-0410.1993.tb03058.x, PubMed 7685969

Publications 1992

Bell H, Raknerud N, Try K, Jonassen TO, Skaug K, Størvold G, Roald B, Kuo G (1992)
[Chronic hepatitis C. Experience with 50 patients]
Tidsskr Nor Laegeforen, 112 (23), 2953-7
PubMed 1329264

Gundersen SG, Haagensen I, Jonassen TO, Figenschau KJ, de Jonge N, Deelder AM (1992)
Quantitative detection of schistosomal circulating anodic antigen by a magnetic bead antigen capture enzyme-linked immunosorbent assay (MBAC-EIA) before and after mass chemotherapy
Trans R Soc Trop Med Hyg, 86 (2), 175-8
DOI 10.1016/0035-9203(92)90559-u, PubMed 1440781

Gundersen SG, Haagensen I, Jonassen TO, Figenschau KJ, de Jonge N, Deelder AM (1992)
Magnetic bead antigen capture enzyme-linked immunoassay in microtitre trays for rapid detection of schistosomal circulating anodic antigen
J Immunol Methods, 148 (1-2), 1-8
DOI 10.1016/0022-1759(92)90151-i, PubMed 1564319

Publications 1989

Brinchmann JE, Gaudernack G, Thorsby E, Jonassen TO, Vartdal F (1989)
Reliable isolation of human immunodeficiency virus from cultures of naturally infected CD4+ T cells
J Virol Methods, 25 (3), 293-300
DOI 10.1016/0166-0934(89)90056-6, PubMed 2573612

Publications 1987

Grinde B, Jonassen TO (1987)
Methionine is a regulator of starvation-induced proteolysis in Tetrahymena
Exp Cell Res, 173 (2), 496-503
DOI 10.1016/0014-4827(87)90289-8, PubMed 3691671

Publications 1986

Jonassen TO, Grinde B (1986)
Proteolytic response to nutritional step-down in Tetrahymena
Exp Cell Res, 163 (1), 165-74
DOI 10.1016/0014-4827(86)90569-0, PubMed 3510885

Publications 1979

Jonassen TØ (1979)
Karakterisering av RNA dannet ved in vitro transkripsjon av gjær-DNA med RNA polymerase I og II
T.Ø. Jonassen, Oslo, 92 s.
BIBSYS 96142415x

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