Browsing by Author "Țurcan, Olga"
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Item Actinobacteria of the rare Genera Actinomadura and Actinoplanes isolated from the la izvor lake system (Chisinau) and their enzymatic activity [Articol](CEP USM, 2023) Burțeva, Svetlana; Bîrsa, Maxim; Sîrbu, Tamara; Țurcan, OlgaCapacitatea de a produce astfel de enzime precum amilaza, catalaza, lipaza și celulaza a fost determinată la tulpini de actinobacterii din genurile rare de Actinomadura și Actinoplanes izolate din sistemul de lacuri La Izvor. Noi tulpini de actinobacteriicu activitate înaltă și medie vor fi deponate la Colecția Națională de Microorganisme NepatogeneItem Acțiunea antifungică a trichodermei atrobrunneum asupra unor fungi fitopatogeni cultivată în prezența unor substanțe utilizate în calitate de stimulatori în mediul de cultivare(CEP USM, 2024) Țurcan, Olga; Sîrbu, Tamara; Moldovan, Cristina; Chiselița, Oleg; Chiselița, NataliaThe action of the cultivation medium and some substances used as stimulators on the productivity of the T. atrobrunneum CNMN FD 25 strain was studied. The obtained results allow us to summarize that of all the variations of media used for the cultivation of T. atrobrunneum, the M(Gl,Z) medium proved to be the most optimal, registering a productivity of 15 g/l. T. atrobrunneum cultivated on nutrient medium M (Gl, Z) has a strong antagonistic effect against phytopathogenic fungi: Alternaria alternata, Botrytis cinerea, Fusarium solani, Fusarium oxysporum, the diameter of the inhibition zones varied from 20 to 32 mm in relation to strain grown on M (Gl) and M (Z) medium, supplemented with iron compounds and exometabolites of S. cerevisiae.Item THE IMPACT OF ZnO AND Cu NANOPARTICLES SUPPLEMENTED IN THE REHYDRATION MEDIUM ON LYOPHILIZED MICROMYCETES(CEP USM, 2022-09-29) Sîrbu, Tamara; Țurcan, Olga; Timuș, IonItem METHODS OF CONSERVATION OF MICROALGAE AND CYANOBACTERIA(CEP USM, 2022-09-29) Țurcan, Olga; Sîrbu, TamaraItem VIABILITY AND STABILITY OF AQUATIC FUNGI OF BIOTECHNOLOGICAL INTEREST AFTER LYOPHILIZATION(CEP USM, 2022-09-29) Sîrbu, Tamara; Țurcan, Olga; Moldovan, Cristina; Timuș, Ion