The Conservation and Study of Macromycetes in the Komarov Botanical Institute Basidiomycetes Culture Collection-Their Taxonomical Diversity and Biotechnological Prospects.

Culture collections (CCs) play an important role in the ex situ conservation of biological material and maintaining species and strains, which can be used for scientific and practical purposes. The Komarov Botanical Institute Basidiomycetes Culture Collection (LE-BIN) preserves a large number of original dikaryon strains of various taxonomical and ecological groups of fungi from different geographical regions. Started in the late 1950s for the investigation of Basidiomycetes' biological activity, today, in Russia, it has become a unique specialized macromycetes collection, preserving 3680 strains from 776 species of fungi.

[THE STATUS OF THE SERVICE OF MEDICAL STATISTICS ACCORDING TO THE STAFF SURVEY RESULTS].

Inroduction: The Medical Statistics Service plays an important role in providing a medical organization with timely, high-quality statistical information. Therefore, it is important to study the opinions of specialists on the organization of this work.

Purpose: To analyze the opinions of the staff of departments (offices) of medical statistics on the current work organization.

Polyacetylene Derivatives from the Polypore Fungus (Fistulina hepatica, Agaricomycetes) and Their Antimicrobial Activity.

Chemical investigation of the polypore fungus Fistulina hepatica resulted in the isolation of five compounds, including four new polyacetylenic fatty acid derivatives - isocinnatriacetin B (1), isocinnatriacetin A (2), cinna-triacetin C (3) and ethylcinnatriacetin A (4) together with one known polyacetylene fatty acid derivative - cinnatriacetin A (5). The structures were elucidated using spectroscopic methods (UV, NMR, HR-ESIMS) along with comparison to literature data. Antibacterial activity screening of compounds 1-5 against ESKAPE bacterial strains in vitro with zones of inhibition (ZOI) was performed and MIC values were established for the most active compounds (3 and 4).

Cultural and enzymatic activity studies of a pathogenic wood-decaying fungus Fomitiporia hippophaeicola (Hymenochaetales, Basidiomycota), recollected in the Eastern Caucasus.

Stenotrophic basidiomycete fungus Fomitiporia hippophaeicola, being a wood-decaying pathogen of sea buckthorn (Hippophaë rhamnoides), has been recollected after 48 years in the Eastern Caucasus during the mycological and phytopathological investigations in the inner-mountainous part of the Republic of Dagestan, Russia. The identity of the species was confirmed by both morphological and ITS1-5.8S-ITS2 nrDNA data.

New benzoquinone pigments from the hydnoid fungus and their biosynthetic relationship.

Chemical investigation of the hydnoid fungus resulted in the isolation of five compounds, including two new sarcodontic acid derivatives - setosic acid () and 7,8-dehydrohomosarcodontic acid () along with three known benzoquinone pigments - sarcodontic acid (), 4,5-dehydrosarcodontic acid () and dihydrosarcodontic acid (). The structures were elucidated using spectroscopic methods (UV, NMR and HR-ESIMS). The biosynthetic relationship of the isolated compounds is proposed and discussed.