{"data":{"id":157714,"slug":"postdoktor-i-mikrobiologi","type":"job","title":"Postdoctoral Researcher in Microbiology","description":"University of Gothenburg meets society's challenges with diverse knowledge. 58,000 students and 6,800 employees make the university a large and inspiring workplace. Strong research and attractive education programs attract researchers and students from around the world. With new knowledge and new perspectives, the University of Gothenburg contributes to a better future.\n\nSee full job announcement at: https:\/\/www.gu.se\/om-universitetet\/jobba-hos-oss\/lediga-anstallningar.\n\nSubject\nMicrobiology\n\nSubject Description\nThe gut microbiota contains approximately 1,000 times more genes than the human genome and constitutes a complex ecosystem that affects the host's physiology through the production of bioactive metabolites. Despite major advances in microbiome research, it remains largely unknown how individual bacterial species and genetic variation between different bacterial strains contribute to microbiota function and the development of metabolic diseases.\nThis project aims to identify and characterize bacterial species and strains within the families Lachnospiraceae and Oscillospiraceae, with particular focus on the genus Faecalibacterium, one of the most prevalent and functionally important bacterial groups in the healthy human gut microbiota.\n\nDuties\nThe successful candidate will investigate the functional diversity of Faecalibacterium and its interactions with other gut bacteria through an integrated experimental and bioinformatic approach. The project combines comparative genomic and bioinformatic analyses to examine how genetic variation at the strain level affects bacterial metabolism and functional properties with physiological characterization of bacterial growth, substrate utilization, and production of bioactive metabolites under defined anaerobic culture conditions.\n\nBased on our observations that the presence of Faecalibacterium is associated with increased stability in the intestinal microbial community, likely through interactions with bacteria within the families Lachnospiraceae and Oscillospiraceae, the candidate will also isolate and characterize new bacterial strains from fecal samples from healthy donors. These isolates will be used in experimental models to study microbial interactions, cross-feeding, and their significance for host metabolism.\nThe project integrates clinical cohorts, large-scale genomic analyses, anaerobic bacterial culture, metabolomics, and experimental model systems to identify microbial mechanisms and bioactive metabolites that contribute to metabolic health and that may form the basis for future microbiome-based treatments of cardiometabolic diseases.\n\nQualifications\nEligible for employment as a postdoctoral researcher is a person who holds a doctoral degree in a relevant subject area, or a foreign degree deemed equivalent to a doctoral degree. This qualification requirement must be met at the latest when the employment decision is made.\nFirst priority should be given to applicants who completed their degree at most three years before the application deadline. Those who completed their degree earlier should also be considered if there are special reasons.\n\nEvaluation Criteria\nDocumented experience in preparation, optimization, and development of culture media for strictly anaerobic human gut bacteria, including YCFA medium with fatty acids, as well as cultivation and isolation of strictly anaerobic gut bacteria under anaerobic conditions, particularly using Coy chambers or equivalent anaerobic culture systems, is a requirement.\nDocumented experience in genomics-based phylogenetic identification and functional characterization of bacterial species and strains, including analyses using tools such as Protologger, phylogenetic analysis and reconstruction of phylogenetic trees, ANI, dDDH, and functional genome annotation with Prokka and COGs\/EggNOG, is also a requirement. Furthermore, experience with programming and statistical data analysis in R is required, along with very good ability to express oneself verbally and in writing in English.\n\nExperience with isolation, cultivation, and physiological characterization of human gut commensals belonging to the families Lachnospiraceae and Oscillospiraceae, particularly butyrate-producing and\/or fiber-degrading bacteria, is highly meritorious. Experience working with fecal cultures from human samples, including selective or enrichment-based isolation strategies under strictly anaerobic conditions, is also meritorious.\n\nAdditional merit will be given to experience studying bacterial metabolism of dietary components, including dietary fibers, complex carbohydrates, or other diet-related substrates. Experience with physiological and functional characterization of strictly anaerobic gut bacteria is meritorious, as is experience using API kits or other phenotypic methods for bacterial characterization, particularly Faecalibacterium and related human gut anaerobes. International research experience, for example through doctoral training or postdoctoral research abroad, is also meritorious.\n\nGreat importance will be placed on the applicant's ability to collaborate and interact effectively with researchers and clinicians in an interdisciplinary research environment. Great importance will also be placed on personal suitability, including the ability to take initiative, work independently, demonstrate flexibility, and have good analytical and problem-solving skills.\n\nEmployment\nType of Employment: Fixed-term position, 36 months.\nScope: 100%\nPlacement: Department of Medicine, Gothenburg.\nStart Date: November 1, 2026, or by agreement.\n\nContact Information for the Position\nFredrik B\u00e4ckhed\nProfessor\n0702182355\nFredrik.Backhed@wlab.gu.se\n\nMalin Levin\nDepartment Head\nmalin.levin@gu.se\n\nApplication\nYou apply for the position via the University of Gothenburg's recruitment portal on the website: https:\/\/www.gu.se\/om-universitetet\/jobba-hos-oss\/lediga-anstallningar. As an applicant, you are responsible for ensuring that your application is complete in accordance with the announcement and that it is received by the university by the final application deadline.\n\nAttach your doctoral degree certificate with your application. If the degree certificate has not yet been issued, it must be submitted at the latest when the employment decision is to be made.\n\nThe applicant must attach a personal letter with a brief description of previous experience with anaerobic culture, isolation, and characterization of human gut bacteria as well as bioinformatic\/genome-based analysis.\n\nApplications must be received by: September 7, 2026","language":"sv","is_translated":true,"title_original":"Postdoktor i Mikrobiologi","description_original":"G\u00f6teborgs universitet m\u00f6ter samh\u00e4llets utmaningar med m\u00e5ngsidig kunskap. 58 000 studenter och 6800 \u00a0medarbetare g\u00f6r universitetet till en stor och inspirerande arbetsplats. Stark forskning och attraktiva utbildningar lockar forskare och studenter fr\u00e5n hela v\u00e4rlden. Med ny kunskap och nya perspektiv bidrar G\u00f6teborgs universitet till en b\u00e4ttre framtid.\u00a0\n\u00a0\nSe fullst\u00e4ndig annonstext p\u00e5: https:\/\/www.gu.se\/om-universitetet\/jobba-hos-oss\/lediga-anstallningar.\u00a0\n\u00a0\n\u00c4mne\u00a0\nMikrobiologi\n\u00a0\n\u00c4mnesbeskrivning\u00a0\nTarmmikrobiotan inneh\u00e5ller omkring 1 000 g\u00e5nger fler gener \u00e4n det m\u00e4nskliga genomet och utg\u00f6r ett komplext ekosystem som p\u00e5verkar v\u00e4rdens fysiologi genom produktion av bioaktiva metaboliter. Trots stora framsteg inom mikrobiomforskningen \u00e4r det fortfarande till stor del ok\u00e4nt hur enskilda bakteriearter och den genetiska variationen mellan olika bakteriestammar bidrar till mikrobiotans funktion och utvecklingen av metabola sjukdomar.\nDetta projekt syftar till att identifiera och karakterisera bakteriearter och bakteriestammar inom familjerna Lachnospiraceae och Oscillospiraceae, med s\u00e4rskilt fokus p\u00e5 sl\u00e4ktet Faecalibacterium, en av de mest f\u00f6rekommande och funktionellt betydelsefulla bakteriegrupperna i den friska m\u00e4nskliga tarmmikrobiotan.\n\u00a0\nArbetsuppgifter\u00a0\nDen framg\u00e5ngsrika kandidaten kommer att unders\u00f6ka den funktionella diversiteten hos Faecalibacterium och dess interaktioner med andra tarmbakterier genom en integrerad experimentell och bioinformatisk ansats. Projektet kombinerar komparativa genomiska och bioinformatiska analyser f\u00f6r att unders\u00f6ka hur genetisk variation p\u00e5 stamniv\u00e5 p\u00e5verkar bakteriers metabolism och funktionella egenskaper med fysiologisk karakterisering av bakteriell tillv\u00e4xt, substratutnyttjande och produktion av bioaktiva metaboliter under definierade anaeroba odlingsf\u00f6rh\u00e5llanden.\n\u00a0\nUtifr\u00e5n v\u00e5ra observationer att f\u00f6rekomsten av Faecalibacterium \u00e4r associerad med en \u00f6kad stabilitet i tarmens mikrobiella samh\u00e4lle, sannolikt genom interaktioner med bakterier inom familjerna Lachnospiraceae och Oscillospiraceae, kommer kandidaten \u00e4ven att isolera och karakterisera nya bakteriestammar fr\u00e5n avf\u00f6ringsprover fr\u00e5n friska donatorer. Dessa isolat kommer att anv\u00e4ndas i experimentella modeller f\u00f6r att studera mikrobiella interaktioner, korsn\u00e4ring (cross-feeding) och deras betydelse f\u00f6r v\u00e4rdens metabolism.\nProjektet integrerar kliniska kohorter, storskaliga genomiska analyser, anaerob bakterieodling, metabolomik och experimentella modellsystem f\u00f6r att identifiera mikrobiella mekanismer och bioaktiva metaboliter som bidrar till metabol h\u00e4lsa och som kan utg\u00f6ra grunden f\u00f6r framtida mikrobiombaserade behandlingar av kardiometabola sjukdomar.\n\u00a0\nBeh\u00f6righet\u00a0\nBeh\u00f6rig att anst\u00e4llas som postdoktor \u00e4r den som innehar doktorsexamen i relevant \u00e4mnesomr\u00e5de, eller en utl\u00e4ndsk examen som bed\u00f6ms motsvara doktorsexamen. Detta beh\u00f6righetskrav ska vara uppfyllt senast vid tidpunkten d\u00e5 anst\u00e4llningsbeslutet fattas.\nI f\u00f6rsta hand b\u00f6r den komma i fr\u00e5ga som har avlagt examen h\u00f6gst tre \u00e5r f\u00f6re ans\u00f6kningstidens utg\u00e5ng. \u00c4ven den som avlagt examen tidigare b\u00f6r komma i fr\u00e5ga om det finns s\u00e4rskilda sk\u00e4l.\u00a0\n\u00a0\nBed\u00f6mningsgrunder\u00a0\nDokumenterad erfarenhet av beredning, optimering och utveckling av odlingsmedier f\u00f6r strikt anaeroba humana tarmbakterier, inklusive YCFA-medium med fettsyror, samt odling och isolering av strikt anaeroba tarmbakterier under anaeroba f\u00f6rh\u00e5llanden, s\u00e4rskilt med anv\u00e4ndning av Coy-kammare eller motsvarande anaeroba odlingssystem, \u00e4r ett krav.\nDokumenterad erfarenhet av genomikbaserad fylogenetisk identifiering och funktionell karakterisering av bakteriearter och bakteriestammar, inklusive analyser med verktyg s\u00e5som Protologger, fylogenetisk analys och rekonstruktion av fylogenetiska tr\u00e4d, ANI, dDDH samt funktionell genomannotering med Prokka och COGs\/EggNOG, \u00e4r ocks\u00e5 ett krav. Vidare kr\u00e4vs erfarenhet av programmering och statistisk dataanalys i R, tillsammans med mycket god f\u00f6rm\u00e5ga att uttrycka sig i tal och skrift p\u00e5 engelska.\n\u00a0\nErfarenhet av isolering, odling och fysiologisk karakterisering av humana tarmkommensaler tillh\u00f6rande familjerna Lachnospiraceae och Oscillospiraceae, s\u00e4rskilt butyratproducerande och\/eller fibernedbrytande bakterier, \u00e4r mycket meriterande. Erfarenhet av arbete med fekala kulturer fr\u00e5n humana prover, inklusive selektiva eller anrikningsbaserade isoleringsstrategier under strikt anaeroba f\u00f6rh\u00e5llanden, \u00e4r ocks\u00e5 meriterande.\n\u00a0\nYtterligare merit kommer att tillm\u00e4tas erfarenhet av att studera bakteriers metabolism av kostkomponenter, inklusive kostfibrer, komplexa kolhydrater eller andra kostrelaterade substrat. Erfarenhet av fysiologisk och funktionell karakterisering av strikt anaeroba tarmbakterier \u00e4r meriterande, liksom erfarenhet av att anv\u00e4nda API-kit eller andra fenotypiska metoder f\u00f6r karakterisering av bakterier, s\u00e4rskilt Faecalibacterium och n\u00e4rbesl\u00e4ktade humana tarmanaerober. Internationell forskningserfarenhet, exempelvis genom forskarutbildning eller postdoktoral forskning utomlands, \u00e4r ocks\u00e5 meriterande.\u00a0\n\u00a0\nStor vikt kommer att l\u00e4ggas vid den s\u00f6kandes f\u00f6rm\u00e5ga att samarbeta och interagera effektivt med forskare och kliniker i en tv\u00e4rvetenskaplig forskningsmilj\u00f6. Stor vikt kommer \u00e4ven att l\u00e4ggas vid personlig l\u00e4mplighet, inklusive f\u00f6rm\u00e5ga att ta initiativ, arbeta sj\u00e4lvst\u00e4ndigt, visa flexibilitet samt ha god analytisk f\u00f6rm\u00e5ga och probleml\u00f6sningsf\u00f6rm\u00e5ga.\n\u00a0\nAnst\u00e4llning\u00a0\nAnst\u00e4llningsform: Tidsbegr\u00e4nsad anst\u00e4llning, 36 m\u00e5n.\nOmfattning: 100%\nPlacering: Institutionen f\u00f6r medicin, G\u00f6teborg.\nTilltr\u00e4de: 2026-11-01 eller enligt \u00f6verenskommelse.\n\u00a0\nKontaktuppgifter f\u00f6r anst\u00e4llningen\u00a0\nFredrik B\u00e4ckhed\nProfessor\n0702182355\nFredrik.Backhed@wlab.gu.se\n\u00a0\nMalin Levin\nAvdelningschef\nmalin.levin@gu.se\n\u00a0\nAns\u00f6kan\u00a0\nDu s\u00f6ker anst\u00e4llningen via G\u00f6teborgs universitets rekryteringsportal via hemsidan: https:\/\/www.gu.se\/om-universitetet\/jobba-hos-oss\/lediga-anstallningar. Du som s\u00f6kande ansvarar f\u00f6r att ans\u00f6kan \u00e4r komplett i enlighet med annonsen och att den \u00e4r universitetet tillhanda senast sista ans\u00f6kningsdag.\n\u00a0\nBifoga doktorsexamensbevis vid ans\u00f6kan, i det fall som examensbeviset \u00e4nnu inte \u00e4r utf\u00e4rdat bifogas det senast vid den tidpunkt d\u00e5 anst\u00e4llningsbeslut skall fattas.\n\u00a0\nDen s\u00f6kande ska bifoga ett personligt brev med en kort beskrivning av tidigare erfarenhet av anaerob odling, isolering och karakterisering av humana tarmbakterier samt bioinformatisk\/genombaserad analys.\n\u00a0\nAns\u00f6kan ska vara inkommen senast: 2026-09-07","price":null,"currency":"SEK","status":"active","noindex":false,"location":{"address":null,"full_address":null,"city":"G\u00f6teborg","country":"SE","latitude":57.7119231,"longitude":11.9822532},"metadata":{"region":"V\u00e4stra G\u00f6talands l\u00e4n","duration":"6 m\u00e5nader eller l\u00e4ngre","employer":"G\u00d6TEBORGS UNIVERSITET","postcode":"41345","positions":1,"profession":"Postdoktor\/Postdoc","salary_type":"Fast m\u00e5nads- vecko- eller timl\u00f6n","employer_url":"https:\/\/www.gu.se\/","scope_of_work":"100\u2013100 %","working_hours":"Heltid","employment_type":"Vanlig anst\u00e4llning","occupation_field":"Pedagogik","employer_workplace":"G\u00f6teborgs Universitet (GU)","translation_status":"done","experience_required":true},"user_id":null,"is_sponsored":false,"views_count":0,"ai_views_count":4,"ai_vendor_counts":{"openai":2,"anthropic":2},"visibility":"public","submission_source":null,"submission_ai_name":null,"has_owner_email":true,"can_contact_owner":true,"phone":"0702182355","owner_email":"fredrik.backhed@wlab.gu.se","images":[],"published_at":"2026-08-17T09:16:20+00:00","expires_at":"2026-09-07T23:59:59+00:00","created_at":"2026-08-18T03:47:05+00:00","updated_at":"2026-08-18T04:32:39+00:00"}}