[A case of granulomatous tubulointerstitial nephritis in a patient with pulmonary sarcoidosis].

A clinical observation is presented of a patient with pulmonary sarcoidosis, who was diagnosed with kidney damage after three years with the development of chronic renal failure and the need for replacement therapy. A histological examination of the renal biopsy revealed a granulomatous process in the interstitial tissue, which was regarded as an extrapulmonary manifestation of sarcoidosis. Pulse therapy with glucocorticoids was prescribed and an attempt was made to reduce hemodialysis sessions.

[Search for micromycetes--producers extracellular catalase and study of conditions of its synthesis].

Production of extracellular catalase by microscopic mycelial fungi (255 strains) belonging to different taxonomic groups was studied. Producers of extracellular catalase were found among fungi of the genera Penicillium, Talaromyces and Aspergillus. Strains of the genus Penicillium were the most active producers.

Nitrate reductase and nitrous oxide production by Fusarium oxysporum 11dn1 under aerobic and anaerobic conditions.

The fungus Fusarium oxysporum 11dn1 was found to be able to grow and produce nitrous oxide on nitrate-containing medium in anaerobic conditions. The rate of nitrous oxide formation was three to six orders of magnitude lower than the rates of molecular nitrogen production by common denitrifying bacteria. Acetylene and ammonia did not affect the release of nitrous oxide release.