Search Results - "Haugen, Peik"

Bipartite Genomes in Enterobacterales : Independent Origins of Chromids, Elevated Openness and Donors of Horizontally Transferred Genes by Sonnenberg, Cecilie Bækkedal, Haugen, Peik

“…Multipartite bacteria have one chromosome and one or more chromid. Chromids are believed to have properties that enhance genomic flexibility, making them a…”
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Distribution of siderophore gene systems on a Vibrionaceae phylogeny: Database searches, phylogenetic analyses and evolutionary perspectives by Thode, Sunniva Katharina, Rojek, Ewelina, Kozlowski, Mikolaj, Ahmad, Rafi, Haugen, Peik

“…Siderophores are small molecules synthesized and secreted by bacteria and fungi to scavenge iron. Extracellular ferri-siderohores are recognized by cognate…”
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Vibrionaceae core, shell and cloud genes are non-randomly distributed on Chr 1: An hypothesis that links the genomic location of genes with their intracellular placement by Sonnenberg, Cecilie Bækkedal, Kahlke, Tim, Haugen, Peik

“…The genome of Vibrionaceae bacteria, which consists of two circular chromosomes, is replicated in a highly ordered fashion. In fast-growing bacteria, multifork…”
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The Pseudoalteromonas multipartite genome: distribution and expression of pangene categories, and a hypothesis for the origin and evolution of the chromid by Sonnenberg, Cecilie Bækkedal, Haugen, Peik

“…Abstract Bacterial genomes typically consist of one large chromosome, but can also include secondary replicons. These so-called multipartite genomes are…”
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Aliivibrio wodanis as a production host: development of genetic tools for expression of cold-active enzymes by Söderberg, Jenny Johansson, Grgic, Miriam, Hjerde, Erik, Haugen, Peik

“…Heterologous production of cold-adapted proteins currently represents one of the greatest bottlenecks in the ongoing bioprospecting efforts to find new enzymes…”
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Closely-related Photobacterium strains comprise the majority of bacteria in the gut of migrating Atlantic cod (Gadus morhua) by Le Doujet, Typhaine, De Santi, Concetta, Klemetsen, Terje, Hjerde, Erik, Willassen, Nils-Peder, Haugen, Peik

“…The population of Atlantic cod (Gadus morhua), also known as Northeast Arctic cod, migrating Atlantic cod, or simply "skrei," lives mainly in the Barents Sea…”
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Mobile group I introns at nuclear rDNA position L2066 harbor sense and antisense homing endonuclease genes intervened by spliceosomal introns by Lian, Kjersti, Furulund, Betty M. N, Tveita, Anders A, Haugen, Peik, Johansen, Steinar D

“…Abstract Background Mobile group I introns encode homing endonucleases that confer intron mobility initiated by a double-strand break in the intron-lacking…”
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Unique core genomes of the bacterial family vibrionaceae: insights into niche adaptation and speciation by Kahlke, Tim, Goesmann, Alexander, Hjerde, Erik, Willassen, Nils Peder, Haugen, Peik

“…The criteria for defining bacterial species and even the concept of bacterial species itself are under debate, and the discussion is apparently intensifying as…”
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Expression profiling reveals Spot 42 small RNA as a key regulator in the central metabolism of Aliivibrio salmonicida by Hansen, Geir A, Ahmad, Rafi, Hjerde, Erik, Fenton, Christopher G, Willassen, Nils-Peder, Haugen, Peik

“…Spot 42 was discovered in Escherichia coli nearly 40 years ago as an abundant, small and unstable RNA. Its biological role has remained obscure until recently,…”
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Construction of a fur null mutant and RNA-sequencing provide deeper global understanding of the Aliivibrio salmonicida Fur regulon by Thode, Sunniva Katharina, Bækkedal, Cecilie, Söderberg, Jenny Johansson, Hjerde, Erik, Hansen, Hilde, Haugen, Peik

“…The ferric uptake regulator (Fur) is a transcription factor and the main regulator of iron acquisition in prokaryotes. When bound to ferric iron, Fur…”
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A new nomenclature of group I introns in ribosomal DNA by JOHANSEN, STEINAR, HAUGEN, PEIK

“…The current nomenclature system of group I introns (see Cech, 1988; Michel & Westhof, 1990) has become insufficient to distinguish and categorize the complex…”
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Bipartite Genomes in IEnterobacterales/I: Independent Origins of Chromids, Elevated Openness and Donors of Horizontally Transferred Genes by Sonnenberg, Cecilie Bækkedal, Haugen, Peik

“…Multipartite bacteria have one chromosome and one or more chromid. Chromids are believed to have properties that enhance genomic flexibility, making them a…”
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Cyanobacterial ribosomal RNA genes with multiple, endonuclease-encoding group I introns by Haugen, Peik, Bhattacharya, Debashish, Palmer, Jeffrey D, Turner, Seán, Lewis, Louise A, Pryer, Kathleen M

“…Group I introns are one of the four major classes of introns as defined by their distinct splicing mechanisms. Because they catalyze their own removal from…”
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The Microbiota of the Outer Gut Mucus Layer of the Migrating Northeast Arctic Cod (Gadus morhua) as Determined by Shotgun DNA Sequencing by Le Doujet, Typhaine, Haugen, Peik

“…Animals form functional units with their microbial communities, termed metaorganisms. Despite extensive research on some model animals, microbial diversity in…”
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Experimental and computational characterization of the ferric uptake regulator from Aliivibrio salmonicida (Vibrio salmonicida) by Pedersen, Hege Lynum, University of Tromso, Norway, Ahmad, Rafi, University of Tromso, Norway, Riise, Ellen Kristin, University of Tromso, Norway, Schroder Leiros, Hanna-Kirsti, University of Tromso, Norway, Hauglid, Stefan, University of Tromso, Norway, Espelid, Sigrun, University of Tromso, Norway, Brandsdal, Bjorn Olav, University of Tromso, Norway, Leiros, Ingar, University of Tromso, Norway, Willassen, Nils-Peder, University of Tromso, Norway, Haugen, Peik, University of Tromso, Norway

“…The Ferric uptake regulator (Fur) is a global transcription factor that affects expression of bacterial genes in an iron-dependent fashion. Although the Fur…”
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In vivo mobility of a group I twintron in nuclear ribosomal DNA of the myxomycete Didymium iridis by Johansen, Steinar, Elde, Morten, Vader, Anna, Haugen, Peik, Haugli, Kari, Haugli, Finn

“…DiSSU1 is an optional group I twintron present in the nuclear extrachromosomal ribosomal DNA of the myxomycete Didymium iridis. DiSSU1 appears to be complex…”
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The Spot 42 RNA: A regulatory small RNA with roles in the central metabolism by Bækkedal, Cecilie, Haugen, Peik

“…The Spot 42 RNA is a 109 nucleotide long (in Escherichia coli) noncoding small regulatory RNA (sRNA) encoded by the spf (spot fourty-two) gene. spf is found in…”
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The natural history of group I introns by Haugen, Peik, Simon, Dawn M., Bhattacharya, Debashish

“…There are four major classes of introns: self-splicing group I and group II introns, tRNA and/or archaeal introns and spliceosomal introns in nuclear pre-mRNA…”
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The immediate global responses of Aliivibrio salmonicida to iron limitations by Thode, Sunniva Katharina, Kahlke, Tim, Robertsen, Espen Mikal, Hansen, Hilde, Haugen, Peik

“…Iron is an essential micronutrient for all living organisms, and virulence and sequestration of iron in pathogenic bacteria are believed to be correlated. As a…”
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Characterization of the self‐splicing products of two complex Naegleria LSU rDNA group I introns containing homing endonuclease genes by Haugen, Peik, De Jonckheere, Johan F., Johansen, Steinar

“…The two group I introns Nae.L1926 and Nmo.L2563, found at two different sites in nuclear LSU rRNA genes of Naegleria amoebo‐flagellates, have been…”
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