[The bactericidal activity of lectins from nitrogen-fixing bacilli].

Lectins I and II isolated from the nitrogen-fixing soil bacterium Paenibacillus polymyxa 1460 were found to be able to suppress the growth of Rhizobium leguminosarum 252 and Bacillus subtilis 36 at nearly all the concentrations tested (from 1 to 10 micrograms/ml). Lectin I was also inhibitory to Azospirillum brasilense 245 and Erwinia carotovora subsp. citrulis 603, while lectin II exerted bactericidal activity against Xanthomonas campestris B-610 and B-611 and A.

[B-lymphocyte-related immunoglobulin biosynthesis in workers engaged in the yeasts hydrolysis production].

64 individuals having occupational chronic bronchitis and 41 healthy individuals--both working at yeast hydrolysis production--demonstrated increase in B immunity with higher spontaneous and antigen-stimulated Ig synthesis. The changes were dose-dependent.

[Morbidity among the workers of the hydrolysis yeast production].

Influence of protein-containing dust on the workers results in respiratory diseases. Individuals working in the shops with high level of protein-containing dust in the air of workplace more frequently demonstrate chronic bronchitis and exogenous allergic alveolitis, workers of the shops with low level of the dust in the air of workplace more commonly suffer from bronchial asthma. The authors necessitate adaptation of engineering, technical and medical prophylactic means to lower the morbidity level.