olav.vadstein@ntnu.no 91897034
Bakgrunn og aktiviteter
Jeg er professor i Mikrobiell økologi med generell interesse i akvatiske økosystemer - både naturlige og unaturlige (menneskeskapte).
Fagfelt/Arbeidsområde
- Professor i mikrobiell økologi
- Leder av fagruppe "Analyse og kontroll av mikrobielle systemer" sammen med Kjetill Østgaard
- Underviser TBT4110 Mikrobiologi, BT8101 Mikrobiell økologi, AK8000 Marin yngelteknologi
- Involvert i prosjektene OCEAN CERTAIN, ThraustoEng, GnotoCod, MIRA, MicStaTech, MICRO-Feed
I’m a professor in Microbial Ecology with general interest in aquatic ecosystems - both natural and un-natural (human created). Besides basic aspects, I’m interested in applied microbial ecology which can be placed under the heading Environmental Biotechnology.
Environmental Biotechnology is the application of biotechnology for solving environmental problems, both in the environment per se (e.g. bioremediation) or in man made ecosystems (e.g. sewage treatment plants). Environmental biotechnology search for technologies that are in accordance with ecological principals, based on a “join them” instead of a “beat them” strategy. Microbial Ecology, defined as scientific studies of interactions and basic principals that determine the distribution and abundance of microorganisms, is therefore a basic platform for analyses of problems and for development of technologies.
Ongoing activities are related to the following topics:
- Structure and functioning of natural planktonic ecosystems
- Host/microbe and microbe/microbe interactions in fish
- Microbial management of marine fish larvae
- Chemical and microbial water quality in aquaculture
- Optimization of lipids in microorganisms as a raw material for fish feed
- Biotechnological applications of microalgae in material science
Teaching
I'm involved in the teaching of the following subjects:
TBT4110 Microbiology
BT8101 Microbial Ecology
AK8000 Juvenile Technology for Marine Fish
NA6001-4 Natural science for teachers
Vitenskapelig, faglig og kunstnerisk arbeid
Et utvalg av nyere tidsskriftspublikasjoner, kunstneriske produksjoner, bok, inklusiv bokdeler og rapport-del. Se alle publikasjoner i databasen
Tidsskriftspublikasjoner
- (2018) Rearing water treatment induces microbial selection influencing the microbiota and pathogen associated transcripts of cod (Gadus morhua) larvae. Frontiers in Microbiology.
- (2017) Dynamic responses to silicon in Thalasiossira pseudonana - Identification, characterisation and classification of signature genes and their corresponding protein motifs. Scientific Reports. vol. 7 (1).
- (2017) Changes in the microbial community of an anammox consortium during adaptation to marine conditions revealed by 454 pyrosequencing. Applied Microbiology and Biotechnology. vol. 101 (12).
- (2017) Effects of storage temperature on bacterial growth rates and community structure in fresh retail sushi. Journal of Applied Microbiology. vol. 123 (3).
- (2017) Species distribution and prevalence of putative virulence factors in mesophilic Aeromonas spp. isolated from fresh retail sushi. Frontiers in Microbiology. vol. 8 (MAY).
- (2017) Mechanisms of phosphorus acquisition and lipid class remodeling under P limitation in a Marine Microalga. Plant Physiology. vol. 175 (4).
- (2017) Anaerobic digestion of pig manure supernatant at high ammonia concentrations characterized by high abundances of Methanosaeta and non-euryarchaeotal archaea. Scientific Reports. vol. 7:15077.
- (2017) Correlations of age and growth rate with microbiota composition in Atlantic cod (Gadus morhua) larvae. Scientific Reports. vol. 7 (1).
- (2016) Thraustochytrids as production organisms for docosahexaenoic acid (DHA), squalene, and carotenoids. Applied Microbiology and Biotechnology. vol. 100 (10).
- (2016) Microbial maturation of intake water at different carrying capacities affects microbial control in rearing tanks for marine fish larvae. Aquaculture. vol. 457.
- (2016) Microbial community dynamics in semi-commercial RAS for production of Atlantic salmon post-smolts at different salinities. Aquacultural Engineering. vol. 78.
- (2016) Correlation between microbiota and growth in Mangrove Killifish (Kryptolebias marmoratus) and Atlantic cod (Gadus morhua). Scientific Reports. vol. 6.
- (2016) Nitrification at different salinities: Biofilm community composition and physiological plasticity. Water Research. vol. 95.
- (2016) The effect of essential fatty acids for the somatic growth in nauplii of Calanus finmarchicus. Frontiers in Marine Science. vol. 3:33.
- (2016) Draft genome sequence of the docosahexaenoic acid producing thraustochytrid Aurantiochytrium sp. T66. Genomics Data. vol. 8.
- (2016) Diatom frustules as a biomaterial: effects of chemical treatment on organic material removal and mechanical properties in cleaned frustules from two Coscinodiscus species. Journal of porous materials. vol. 23 (4).
- (2015) Selection in the host structures the microbiota associated with developing cod larvae (Gadus morhua). Environmental Microbiology. vol. 17 (10).
- (2015) Titanium uptake and incorporation into silica nanostructures by the diatom Pinnularia sp. (Bacillariophyceae). Journal of Applied Phycology. vol. 27 (2).
- (2015) Assessment of Microbiological Quality of Retail Fresh Sushi from Selected Sources in Norway. Journal of Food Protection. vol. 78 (5).
- (2015) Gene regulation of lipid and phospholipid metabolism in Atlantic cod (Gadus morhua) larvae. Comparative Biochemistry and Physiology - Part B: Biochemistry & Molecular Biology. vol. 190.