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12. Razvoj integracijskih programov za priseljence v SlovenijiMojca Medvešek, Romana Bešter, Janez Pirc, 2020, independent scientific component part or a chapter in a monograph Keywords: integracija, integracijska politika, integracijski programi, državljani držav nečlanic Evropske unije, začetna integracija priseljencev, slovenski jezik, Slovenija
Published in DiRROS: 16.04.2024; Views: 202; Downloads: 63
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16. Mnenja večinskega prebivalstva Slovenije o priseljevanju, priseljencih in integracijiMojca Medvešek, Romana Bešter, Janez Pirc, 2022, scientific monograph Keywords: imigracija, javno mnenje, vladna politika, Slovenija, imigranti, integracija
Published in DiRROS: 16.04.2024; Views: 199; Downloads: 103
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19. Transcriptome-informed identification and characterization of Planococcus citri cis- and trans-isoprenyl diphosphate synthase genesMojca Juteršek, Iryna Gerasymenko, Marko Petek, Kristina Gruden, Špela Baebler, 2024, original scientific article Abstract: Insect physiology and reproduction depend on several terpenoid compounds, whose biosynthesis is mainly unknown. One enigmatic group of insect monoterpenoids are mealybug sex pheromones, presumably resulting from the irregular coupling activity of unidentified isoprenyl diphosphate synthases (IDSs). Here, we performed a comprehensive search for IDS coding sequences of the pest mealybug Planococcus citri. We queried the available genomic and newly generated short- and long-read P. citri transcriptomic data and identified 18 putative IDS genes, whose phylogenetic analysis indicates several gene family expansion events. In vitro testing confirmed regular short-chain coupling activity with five gene products. With the candidate with highest IDS activity, we also detected low amounts of irregular coupling products, and determined amino acid residues important for chain-length preference and irregular coupling activity. This work therefore provides an important foundation for deciphering terpenoid biosynthesis in mealybugs, including the sex pheromone biosynthesis in P. citri.
Keywords: insect pheromones, isoprenyl diphosphate synthase, monoterpenes, phylogenetic analysis
Published in DiRROS: 29.03.2024; Views: 227; Downloads: 97
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20. Fast and accurate multiplex identification and quantification of seven genetically modified soybean lines using six-color digital PCRAlexandra Bogožalec Košir, Sabine Muller, Jana Žel, Mojca Milavec, Allison C. Mallory, David Dobnik, 2023, original scientific article Abstract: The proliferation of genetically modified organisms (GMOs) presents challenges to GMO testing laboratories and policymakers. Traditional methods, like quantitative real-time PCR (qPCR), face limitations in quantifying the increasing number of GMOs in a single sample. Digital PCR (dPCR), specifically multiplexing, offers a solution by enabling simultaneous quantification of multiple GMO targets. This study explores the use of the Naica six-color Crystal dPCR platform for quantifying five GM soybean lines within a single six-plex assay. Two four-color assays were also developed for added flexibility. These assays demonstrated high specificity, sensitivity (limit of detection or LOD < 25 copies per reaction) and precision (bias to an estimated copy number concentration <15%). Additionally, two approaches for the optimization of data analysis were implemented. By applying a limit-of-blank (LOB) correction, the limit of quantification (LOQ) and LOD could be more precisely determined. Pooling of reactions additionally lowered the LOD, with a two- to eight-fold increase in sensitivity. Real-life samples from routine testing were used to confirm the assays’ applicability for quantifying GM soybean lines in complex samples. This study showcases the potential of the six-color Crystal dPCR platform to revolutionize GMO testing, facilitating comprehensive analysis of GMOs in complex samples.
Keywords: digital PCR, dPCR, quantification, multiplexing, genetically modified organisms, 6-color system, virus diagnostics, virology
Published in DiRROS: 29.03.2024; Views: 243; Downloads: 93
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