Abstract Background The obligate aerobe lt1 corvette engine covers Azotobacter vinelandii is a model organism for the study of biological nitrogen fixation (BNF).This bacterium regulates the process of BNF through the two component NifL and NifA system, where NifA acts as an activator, while NifL acts as an anti-activator based on various metabolic
Impact of the factors of the aquatic environment is an inevitable aspect of the life of fish as poikilothermic animals and provokes responses in their organisms.The study focused on determining peculiarities in the composition of the metabolic products in the tissues of different age and sex groups of common bream Abramis brama (L.) depending on th
Primary renal myoepithelial carcinoma is an exceedingly rare neoplasm with an aggressive phenotype and Ewing sarcoma breakpoint region 1 (EWSR1) rearrangement in a small fraction of cases.In addition to its rarity, the diagnosis can be challenging for the pathologist due to morphologic heterogeneity, particularly on the biopsy specimen.At times, im
The conditions for the regeneration of plants through organogenesis from callus tissues of Menyanthes milwaukee hd800p trifoliata are described.The shoot multiplication rate was affected by basal culture media, the type and concentration of cytokinin and subculture number.The best response was obtained when caulogenic calli were cultured on the mod