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Two biologically active compounds, the enzyme superoxide dismutase (EC 1.15.1.1) and the anti-arhythmic indole alkaloid ajmaline, were isolated from a callus culture of Rauwolfia serpentinaBenth.
      
Sequential isolation of biologically active compounds by metal-chelate affinity chromatography followed by azoadsorbent affinity chromatography allowed us to obtain highly purified products.
      
The relationship between the synthesis of physiologically active substances and accumulation of elements is mediated by several levels of molecular regulation.
      
Studies of the stability of an association of active hydrocarbon-oxidizing microorganisms grown on diesel fuel showed that not all members of the association were competitive in an open-flow system.
      
A gradual increase in the content of the active and storage forms of the hormones from the ovary to the ovule was revealed.
      
However, active growth of sulfate-reducing bacteria was observed in the presence of stearate and extracellular water-soluble or lipid metabolites of Arthrobacteria.
      
In contrast to PstI, the restriction endonuclease Sst12I hydrolyses DNA both at 37 and 55°C and remains active after long-term storage.
      
The most active 32-I strain was shown to bear a plasmid responsible for phenol degradation.
      
The role of these compounds in the biochemical background of cell transition from dormancy to active metabolism and their use as indices of the quality of inocula in biotechnological processes are discussed.
      
mucilaginosus cells at the stage of active exopolysaccharide synthesis was developed.
      
The mutant strain most active in accumulating exogenous polysaccharides was selected.
      
In contrast with that, active laccase producers Cerrena maxima, Coriolopsis fulvocenerea, and Coriolus hirsutus consumed up to 50% atrazine in 5-day cultivation in the presence of the xenobiotic and at least 80-92% in 40 days.
      
Synthesis of Biologically Active Lipids by the Fungus Mucor lusitanicus 306D Grown on Media with Various Composition
      
The sizes of these zones indicate which oil-degrading strains are most active.
      
Strains belonging to the mycelial type (I) produced the greatest amount of the toxin, and those of the pionnotal type (III) were the least active.
      
Its aqueous solutions were optically active ([α]D = +31.0°) and highly viscous ([η] = 578 ml/g).
      
The yield of the active enzyme in the course of the refolding was increased by 1.5-1.7 times in the presence of antibody H1.
      
Identification of Catalytically Active Groups in Inulinase from Bacillus polymyxa 722
      
was the most active producer of hydrolytic enzymes.
      
The most active of the organisms studied is a Micromironospora actinomycete.
      
 

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