[Taxonomic status of the Artashat virus (ARTSV) (Bunyaviridae, Nairovirus) isolated from the ticks Ornithodoros alactagalis Issaakjan, 1936 and O. verrucosus Olenev, Sassuchin et Fenuk, 1934 (Argasidae Koch, 1844) collected in Transcaucasia].

The Artashat virus (ARTSV) was originally isolated fom the Ornithodoros alactagalis Issaakjan, 1936 (Argasidae Koch, 1844), which were collected in the burrow of small five-toed jerboa (Allactaga elater Lichtenstein, 1825) in Armenia in 1972. Later, the ARTSV was isolated from the O. verrucosus Olenev, Sassuchin et Fenuk, 1934 collected in the burrows of Persian gerbil (Meriones persicus Blanford, 1875) in Azerbaijan. Based on the virion morphology, the ARTSV was assigned to the Bunyaviridae viruses. In this work, the ARTSV genome was partially sequenced (GenBank ID: KF801650) and it was shown that the ARTSV is a new member of the Nairovirus genus. ARTSV has from 42% (Issyk-Kul virus) to 58% (Raza virus, Hughes group) similarity with the nairoviruses for nucleotide sequence of part of RNA-dependent RNA-polymerase (RdRp). The similarity on the amino acid level is 65-70%. Low level of homology and the equidistant position of the ARTSV on phylogenetic tree indicate that the ARTSV is a new prototype species of the Nairovirus genus (Bunyaviridae) forming a separate phylogenetic branch.

[Molecular-genetic characterization of the Bhanja virus (BHAV) and the Razdan virus (RAZV) (Bunyaviridae, Phlebovirus) isolated from the Ixodes ticks Rhipicephalus bursa (Canestrini and Fanzago, 1878) and Dermacentor marginatus (Sulzer, 1776) in transcaucasus].

Two bunyaviruses, Bhanja (BHAV, LEIV-Az1818) isolated from the Ixodes ticks Rhipecephalus bursa (Canestrini and Fanzago, 1878) in Azerbaijan (1973) and Razdan (RAZV; strain LEIV-Arm2741) isolated from the Dermacentor marginatus (Sulzer, 1776) ticks in Armenia (1972), were de novo sequenced (on the Illumina platform). The amino acid identity between these viruses proteins were 95.8% (RdRp, L-segment), 90.3% (GnGc, M-segment), and 92.5% (N, S-segment). Thus, RAZV was classified to BHAV group. GnGc protein identity of RAZV withEuropean BHAV strains is more than 90%. With the African Forécariah virus (FORV) RAZV has 85% identity. BHAV LEIV-Az1818 is most closely related to the Indian strain BHAV IG690 (99%), while showing 90% identity with the European BHAV isolates. The genome structure of BHAV and RAZV is typical of the tick-transmitted phleboviruses. Based onthe result of the molecular-genetic and phylogenetic analysis RAZV has been classified as belonging to BHAVgroup in the genus Phlebovirus (Bunyaviridae).

[Morphofunctional parameters as criteria for assessing the students' adaptation to graded physical exercise].

Short-term physical exercise (Roufie test) was studied for its impact on the physiometric and functional parameters of first-year students engaged in a basic physical training group. According to the reaction to exercise and gender, the authors formed 3 groups: (1) girls with excellent performance after Roufie-Dixon; (2) girls and boys with good performance; (3) girls and boys with satisfactory performance. The changes in the study parameters indicated that the Roufie exercise test was adequate for Group I girls and Group 2 boys, in whom the adaptive potential after exercise was in the range of adaptive changes. In the other groups, short-term physical exercise led to adaptive potential transition toward the tension area. The changes of other study parameters were adequate to those in the adaptive potential during an exercise test.

[Structural transitions associated with changes in the thickness and density of phospholipid bilayers]. / Strukturnye perekhody, soprovozhdaiushchiesia izmeneniem tolshchiny i plotnosti fosfolipidnogo bisloia.

Relationship between a change of bilayer density and thickness and dissociation degree of the polar groups of phospholipid molecules was studied. It has been stated that with a decrease of ionization level a transition of bilayer from liquid to ordered state should occur. The latter is accompanied by a decrease of thickness and increase of density of the bilayer.

[Kyzylagach virus (family Togaviridae, genus alphaviruses), a new arbovirus isolated from Culex modestus mosquitoes trapped in the Azerbaijani SSR]. / Virus Kyzylagach (semeistvo togaviride, rod al'favirusov)--novyi arboviruses), izolirovannyi iz komarov Culex modestus, otlovlennykh v Azerbaidzhanskoi SSR.

A strain of LEIV 65A virus was isolated in 1969 from Culex modestus mosquitoes collected in the Kyzylagach preserve, the Azerbaijan SSR, in a colony of Ciconiiformes birds. Investigations of the antigenic properties of this virus by the complement fixation and neutralization tests as well as by electron microscopy showed it to belong to alphaviruses of the Togaviridae family. Kyzylagach virus had one-way relations with Sindbis virus. Some biological and biophysical-biochemical properties of the virus were studied.