Ole Andreas Økstad
Ole Andreas Økstad
Centre for Integrative Microbial Evolution and Dept. of Pharmaceutical Biosciences, Univ. of Oslo
Verified email at biotek.uio.no - Homepage
Cited by
Cited by
Bacillus anthracis, Bacillus cereus, and Bacillus thuringiensis—one species on the basis of genetic evidence
E Helgason, OA Økstad, DA Caugant, HA Johansen, A Fouet, M Mock, ...
Applied and environmental microbiology 66 (6), 2627-2630, 2000
The genome sequence of Bacillus anthracis Ames and comparison to closely related bacteria
TD Read, SN Peterson, N Tourasse, LW Baillie, IT Paulsen, KE Nelson, ...
Nature 423 (6935), 81-86, 2003
Spatial and temporal organization of replicating Escherichia coli chromosomes
IF Lau, SR Filipe, B Søballe, OA Økstad, FX Barre, DJ Sherratt
Molecular microbiology 49 (3), 731-743, 2003
PlcR is a pleiotropic regulator of extracellular virulence factor gene expression in Bacillus thuringiensis
H Agaisse, M Gominet, OA Økstad, AB Kolstø, D Lereclus
Molecular microbiology 32 (5), 1043-1053, 1999
The genome sequence of Bacillus cereus ATCC 10987 reveals metabolic adaptations and a large plasmid related to Bacillus anthracis pXO1
DA Rasko, J Ravel, OA Økstad, E Helgason, RZ Cer, L Jiang, KA Shores, ...
Nucleic acids research 32 (3), 977-988, 2004
The PlcR virulence regulon of Bacillus cereus
M Gohar, K Faegri, S Perchat, S Ravnum, OA Økstad, M Gominet, ...
PloS one 3 (7), e2793, 2008
What Sets Bacillus anthracis Apart from Other Bacillus Species?
AB Kolstø, NJ Tourasse, OA Økstad
Annual review of microbiology 63, 451-476, 2009
Two‐dimensional electrophoresis analysis of the extracellular proteome of Bacillus cereus reveals the importance of the PlcR regulon
M Gohar, OA Økstad, N Gilois, V Sanchis, AB Kolst⊘, D Lereclus
Proteomics 2 (6), 784-791, 2002
The Bacillus cereus group: novel aspects of population structure and genome dynamics
NJ Tourasse, E Helgason, OA Økstad, IK Hegna, AB Kolstø
Journal of applied microbiology 101 (3), 579-593, 2006
Complete sequence analysis of novel plasmids from emetic and periodontal Bacillus cereus isolates reveals a common evolutionary history among the B. cereus-group plasmids …
DA Rasko, MJ Rosovitz, OA Økstad, DE Fouts, L Jiang, RZ Cer, AB Kolstø, ...
Journal of bacteriology 189 (1), 52-64, 2007
Sequence analysis of three Bacillus cereus loci carrying PlcR-regulated genes encoding degradative enzymes and enterotoxinThe EMBL accession numbers for the sequences reported …
OA Økstad, M Gominet, B Purnelle, M Rose, D Lereclus, AB Kolstø
Microbiology 145 (11), 3129-3138, 1999
Low concentrations of bile salts induce stress responses and reduce motility in Bacillus cereus ATCC 14570
SM Kristoffersen, S Ravnum, NJ Tourasse, OA Økstad, AB Kolstø, ...
Journal of bacteriology 189 (14), 5302-5313, 2007
Different bacterial communities in ectomycorrhizae and surrounding soil
U Vik, R Logares, R Blaalid, R Halvorsen, T Carlsen, I Bakke, AB Kolstø, ...
Scientific reports 3, 3471, 2013
Extended and global phylogenetic view of the Bacillus cereus group population by combination of MLST, AFLP, and MLEE genotyping data
NJ Tourasse, E Helgason, A Klevan, P Sylvestre, M Moya, M Haustant, ...
Food Microbiology 28 (2), 236-244, 2011
Insertional inactivation of hblC encoding the L2 component of Bacillus cereus ATCC 14579 haemolysin BL strongly reduces enterotoxigenic activity, but not the haemolytic …
T Lindbäck, OA Økstad, AL Rishovd, AB Kolstø
Microbiology 145 (11), 3139-3146, 1999
Replication mechanism and sequence analysis of the replicon of pAW63, a conjugative plasmid from Bacillus thuringiensis
A Wilcks, L Smidt, OA Økstad, AB Kolstø, J Mahillon, L Andrup
Journal of bacteriology 181 (10), 3193-3200, 1999
Genome organization is not conserved between Bacillus cereus and Bacillus subtilis
OA Økstad, I Hegna, T Lindbäck, AL Rishovd, AB Kolstø
Microbiology 145 (3), 621-631, 1999
SinR controls enterotoxin expression in Bacillus thuringiensis biofilms
A Fagerlund, T Dubois, OA Økstad, E Verplaetse, N Gilois, I Bennaceur, ...
PloS one 9 (1), e87532, 2014
Global mRNA decay analysis at single nucleotide resolution reveals segmental and positional degradation patterns in a Gram-positive bacterium
SM Kristoffersen, C Haase, MR Weil, KD Passalacqua, F Niazi, ...
Genome biology 13 (4), R30, 2012
Genomics of Bacillus Species
OA Økstad, AB Kolstø
Genomics of foodborne bacterial pathogens, 29-53, 2011
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