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Publications by Knut Gunnar Berdal

25 publications found

Original articles

Johannessen LE, Spilsberg B, Wiik-Nielsen CR, Kristoffersen AB, Holst-Jensen A, Berdal KG (2013)
DNA-fragments are transcytosed across CaCo-2 cells by adsorptive endocytosis and vesicular mediated transport
PLoS One, 8 (2), e56671
DOI 10.1371/journal.pone.0056671, PubMed 23409196

Pedro O, Correia D, Lie E, Skare JU, Leao J, Neves L, Sandvik M, Berdal KG (2011)
Polymerase chain reaction (PCR) detection of the predominant microcystin-producing genotype of cyanobacteria in Mozambican lakes
Afr. J. Biotechnol., 10 (83), 19299-19308
DOI 10.5897/AJB11.1521

Sanden M, Johannessen LE, Berdal KG, Sissener N, Hemre GI (2011)
Uptake and clearance of dietary DNA in the intestine of Atlantic salmon (Salmo salar L.) fed conventional or genetically modified soybeans
Aquac. Nutr., 17 (3), E750-E759
DOI 10.1111/j.1365-2095.2010.00842.x

Wiik-Nielsen CR, Holst-Jensen A, Boydler C, Berdal KG (2011)
Quantification of dietary DNA in tissues of Atlantic salmon (Salmo salar L.) fed genetically modified feed ingredients
Aquac. Nutr., 17 (2), E668-E674
DOI 10.1111/j.1365-2095.2010.00817.x

Tengs T, Kristoffersen AB, Zhang HB, Berdal KG, Lovoll M, Holst-Jensen A (2010)
Non-prejudiced Detection and Characterization of Genetic Modifications
Food Anal. Meth., 3 (2), 120-128
DOI 10.1007/s12161-009-9111-2

Spilsberg B, Rundberget T, Johannessen LE, Kristoffersen AB, Holst-Jensen A, Berdal KG (2010)
Detection of food-derived damaged nucleosides with possible adverse effects on human health using a global adductomics approach
J Agric Food Chem, 58 (10), 6370-5
DOI 10.1021/jf903065a, PubMed 20429587

Tengs T, Zhang H, Holst-Jensen A, Bohlin J, Butenko MA, Kristoffersen AB, Sorteberg HG, Berdal KG (2009)
Characterization of unknown genetic modifications using high throughput sequencing and computational subtraction
BMC Biotechnol, 9, 87
DOI 10.1186/1472-6750-9-87, PubMed 19814792

Sissener NH, Johannessen LE, Hevrøy EM, Wiik-Nielsen CR, Berdal KG, Nordgreen A, Hemre GI (2009)
Zebrafish ( Danio rerio) as a model for investigating the safety of GM feed ingredients (soya and maize); performance, stress response and uptake of dietary DNA sequences
Br J Nutr, 103 (1), 3-15
DOI 10.1017/S0007114509991401, PubMed 19706208

Berdal KG, Boydler C, Tengs T, Holst-Jensen A (2008)
A statistical approach for evaluation of PCR results to improve the practical limit of quantification (LOQ) of GMO analyses (SIMQUANT)
Eur. Food Res. Technol., 227 (4), 1149-1157
DOI 10.1007/s00217-008-0830-1

Nielsen CR, Berdal KG, Holst-Jensen A (2008)
Anchored PCR for possible detection and characterisation of foreign integrated DNA at near single molecule level
Eur. Food Res. Technol., 226 (5), 949-956
DOI 10.1007/s00217-007-0616-x

Tengs T, Kristoffersen AB, Berdal KG, Thorstensen T, Butenko MA, Nesvold H, Holst-Jensen A (2007)
Microarray-based method for detection of unknown genetic modifications
BMC Biotechnol, 7, 91
DOI 10.1186/1472-6750-7-91, PubMed 18088429

Kristensen R, Berdal KG, Holst-Jensen A (2007)
Simultaneous detection and identification of trichothecene- and moniliformin-producing Fusarium species based on multiplex SNP analysis
J Appl Microbiol, 102 (4), 1071-81
DOI 10.1111/j.1365-2672.2006.03166.x, PubMed 17381751

Kristensen R, Gauthier G, Berdal KG, Hamels S, Remacle J, Holst-Jensen A (2007)
DNA microarray to detect and identify trichothecene- and moniliformin-producing Fusarium species
J Appl Microbiol, 102 (4), 1060-70
DOI 10.1111/j.1365-2672.2006.03165.x, PubMed 17381750

Andersen CB, Holst-Jensen A, Berdal KG, Thorstensen T, Tengs T (2006)
Equal performance of TaqMan, MGB, molecular beacon, and SYBR green-based detection assays in detection and quantification of roundup ready soybean
J Agric Food Chem, 54 (26), 9658-63
DOI 10.1021/jf061987c, PubMed 17177484

Rønning SB, Berdal KG, Andersen CB, Holst-Jensen A (2006)
Novel reference gene, PKABA1, used in a duplex real-time polymerase chain reaction for detection and quantitation of wheat- and barley-derived DNA
J Agric Food Chem, 54 (3), 682-7
DOI 10.1021/jf052328n, PubMed 16448168

Rønning SB, Rudi K, Berdal KG, Holst-Jensen A (2005)
Differentiation of important and closely related cereal plant species (Poaceae) in food by hybridization to an oligonucleotide array
J Agric Food Chem, 53 (23), 8874-80
DOI 10.1021/jf0514569, PubMed 16277378

Nesvold H, Kristoffersen AB, Holst-Jensen A, Berdal KG (2005)
Design of a DNA chip for detection of unknown genetically modified organisms (GMOs)
Bioinformatics, 21 (9), 1917-26
DOI 10.1093/bioinformatics/bti248, PubMed 15647302

Løvseth A, Loncarevic S, Berdal KG (2004)
Modified multiplex PCR method for detection of pyrogenic exotoxin genes in staphylococcal isolates
J Clin Microbiol, 42 (8), 3869-72
DOI 10.1128/JCM.42.8.3869-3872.2004, PubMed 15297552

Miraglia M, Berdal KG, Brera C, Corbisier P, Holst-Jensen A, Kok EJ, Marvin HJ, Schimmel H, Rentsch J, van Rie JP, Zagon J (2004)
Detection and traceability of genetically modified organisms in the food production chain
Food Chem Toxicol, 42 (7), 1157-80
DOI 10.1016/j.fct.2004.02.018, PubMed 15123385

Frewer L, Lassen J, Kettlitz B, Scholderer J, Beekman V, Berdal KG (2004)
Societal aspects of genetically modified foods
Food Chem Toxicol, 42 (7), 1181-93
DOI 10.1016/j.fct.2004.02.002, PubMed 15123386

Holst-Jensen A, Berdal KG (2004)
The modular analytical procedure and validation approach and the units of measurement for genetically modified materials in foods and feeds
J AOAC Int, 87 (4), 927-36
PubMed 15295887

Holst-Jensen A, Rønning SB, Løvseth A, Berdal KG (2003)
PCR technology for screening and quantification of genetically modified organisms (GMOs)
Anal Bioanal Chem, 375 (8), 985-93
DOI 10.1007/s00216-003-1767-7, PubMed 12733008

Berdal KG, Johansen RF, Seeberg E (1998)
Release of normal bases from intact DNA by a native DNA repair enzyme
EMBO J, 17 (2), 363-7
DOI 10.1093/emboj/17.2.363, PubMed 9430628

Eide L, Bjørås M, Pirovano M, Alseth I, Berdal KG, Seeberg E (1996)
Base excision of oxidative purine and pyrimidine DNA damage in Saccharomyces cerevisiae by a DNA glycosylase with sequence similarity to endonuclease III from Escherichia coli
Proc Natl Acad Sci U S A, 93 (20), 10735-40
DOI 10.1073/pnas.93.20.10735, PubMed 8855249

Berdal KG, Bjørås M, Bjelland S, Seeberg E (1990)
Cloning and expression in Escherichia coli of a gene for an alkylbase DNA glycosylase from Saccharomyces cerevisiae; a homologue to the bacterial alkA gene
EMBO J, 9 (13), 4563-8
DOI 10.1002/j.1460-2075.1990.tb07909.x, PubMed 2265619