Abstracts of the 83<sup>rd</sup> Scientific Conference of the University of Latvia

Kolesovs S., Rudzitis E., Strazdina I., Vigants A.Cultivation of the extremophile microalga Galdieria sulphuraria in concentrated whey permeate Kampuss M., Irbe I.Impact of chitosan on mycelial growth of Trametes versicolor Cīrulis A., Ramnath V., Abbott J.K.Effects of sex-limited experimental evolution on a hermaphrodite: focus on sex-biased genome regions Perminov D., Makarenkova G., Gavars D., Gavars V., Muiznieks I.Universal 5’-RACE method for mapping transcription start sites of eukaryotic and prokaryotic genes, as well as 5’ UTRs of RNA viruses Bebre E., Ķibilds J., Cīrulis A.Monitoring antibiotic resistance genes in urban wastewater – a pilot study Grīnberga L., Jēkabsone J., Ozoliņš D., Skuja A., Vizule-Kahovska L.“Sandy riffles” as potential subtype of freshwater habitat 3260 “Water courses of plain to montane levels with the Ranunculion fluitantis and Callitricho-Batrachion vegetation” Ulme K., Kaktiņa E., Sinn B.T., Borodušķe A., Ņečajeva J.Extraction of seed material from soil samples and comparison of DNA extraction methods for detecting loose silky bent (Apera spica-venti) seeds in soil Revina O., Revins V., Avsejenko J., Cīrule D., Purviņa S., Bertaite Ž., Medne R., Valdovska A.Risk assessment of bacterial infections and antimicrobial resistance of Aeromonas spp. in sea trout and Baltic salmon spawners from the Venta River Jauga K., Vieira Pereira S., Rubina M., Muter O.Exploring the growth substrates for stimulating the plastic-degrading potential of the novel isolate Bacillus sp. GPS-5.6 Gärtling L., Rubina M., Jauga K., Muter O.Microplastics inhibitory effect on microbial activity of activated sludge demonstrated by urease and fluorescein diacetate hydrolysis Kotova A., Orlovskis Z., Jae-Lee S.Characterization of novel isolates of arbuscular mycorrhizal fungi from Latvian soils Rubina M., Vieira Pereira S., Selga T., Broka A., Abdurasulova S., Muter O.Physiological response of the bacterial consortium GPS-2024 towards physico-chemically pre-treated microplastics Maršalkienė N.Microbial plant stimulants on the Lithuanian market