Visnyk of Dnipropetrovsk University. Biology, ecology

10-15

Authors: L. P. Babenko, I. E. Sokolova

Biosynthetical activity of Streptomyces recifensis DL-7 recombinant strain was analised to compare with the initial strain 2R-15. The acetone samples were obtained from cultural liquid of both strains and fractionated by gel filtration. It was shown that lytic and proteolytic activities of the recombinant strain were much higher in comparison with the initial strain 2R-15.

25-31

Authors: F. I. Gasimova, M. N. Khaligzade, H. G. Babayev, I. V. Azizov, N. M. Guliev

The peculiarities of water regime, protein content and photosynthetic capacity of chloroplasts in the leaves of wheat of the different genotypes have been investigated under drought conditions. It was established that the stability of photosynthetic capacity of chloroplasts of a tolerant genotype is stipulated by high relative water content, low water deficit and high protein content in leaves during the drought period

38-43

Authors: M. V. Gorelaya

The progress of non-invasion diagnostic methods is under examination. Non-invasion diagnostic branch was classified according to using methods and obtained samples. The advantages and shortcomings of different non-invasion diagnostic methods were discussed. The contribution of Department of Biophysics and Biochemistry of Dnipropetrovsk National University into the progress of non-invasion technology was presented.

51-56

Authors: V. V. Grushka, S. M. Serdyuk

An actual content of heavy metals in urban soils was determined. The basic sources of the city soils contamination was founded. The degree of ground cover contamination by heavy metals was appraised for the city of Zhovti Vody. The list of optimization measures is offered for the city environment.

65-69

Authors: S. U. Yegorova, V. Y. Kudryavceva

The immunological examination of 45 patients with ulcerative colitis has been carried out. The general characteristics of changes of the immunological parameters have been given. We found the disorders of cellular immunity, activation of humoral immunity, increase of concentration pro-inflammatory cytokines in patients with ulcerative colitis. The immune disorders algorithm was characterised for studied patients.

80-86

Authors: G. A. Zadorozhnaya, V. P. Lyashenko, A. I. Rudenko, O. Z. Melnikova, T. G. Chaus

The dynamics of spectral composition of electric activity in the trophotropic and ergotropic areas of the rat hypothalamus during long time stress (21 week) and action of the left directed vortical impulsive magnetic field (MF) were investigated. It was discovered that effects of vortical MF influence depend both on the initial state of studied cerebral structure and the period of influence. Under physiological condition the MP influence leads to synchronization in spectral composition of electrohypotalamogramme (EGtG) that was expressed by theta-rhythm increasing. The formation of diphasic EGtG as a successive replacement of the desynchronization by synchronization of electric activity due to high-frequency components was observed under the combined influence of stress and MF.

95-99

Authors: O. A. Zemlianyj

Microelements level in common small mammals from biogeocoenoses situated at different distances from the technogenic emission source was studied. The microelements concentrations were determined in the studied biotopes. Small mammals can be used as bioindicators of the natural environment contamination of industrial wastes.

106-110

Authors: K. V. Kotsarenko, A. I. Vinnikov, L. P. Golodok, V. E. Kudryavceva, S. Y. Egorova

The autocytokinins’ influence on the change of biological characteristics of the microorganisms secured from patients with non-specific ulcerous colitis has been studied. It has been found that autocytokinin samples have a stimulating influence on the growth of large intestine’s normal microflora and inhibiting effect to opportunistic pathogenic microorganisms. Autocytokinins are proved to have no significant influence on the antibiotic sensitivity of microorganisms.

115-120

Authors: T. A. Leshan, O. Y. Pakhomov

Basidiomycetes, which belong to 10 order, 56 families and 176 genera were found. The sozological structure is presented by 5 groups of fungi. Rarity Basidiomycetes

128-133

Authors: I. S. Maksymovych, M. V. Mylenko, O. V. Drobinska, L. I. Ostapchenko

Nitric oxide synthase activity in gastric mucosal cells as well as peroxynitrite generation in experimental stress-induced gastric ulcer formation in rats were studied. There was made the conclusion that nitric oxide synthase activity is growing during the stress. It causes increasing of peroxynitrite’ production and ulcer formation. It was established that destructive gastric mucosal damages depend on stress’ duration. It was determined that nitric oxide is involved in complex pathogenetic mechanisms of ulceration.

143-151

Authors: N. N. Nazarenko

The correction methods of the species position in a factor space on ecological scales are characterised for the regional phytoindication research by example of the oak wood herbage of Northern Steppe of Ukraine (Dnipropetrovsk region). The variation of the species coordinates in the space of ecological factors is described depending on a community (or elements of landscapes) location. The significant difference between computed regional evaluations of species location coordinates and their location in ecological scales are illustrated too. The obligatoriness of species coordinates correction in the factor space of edaphic factors is substantiated for phytoindication. Thiscorrectionforclimaticfactorsisrecommended.

158-165

Authors: I. О. Oginova

Mathematical models system allowing assessing the state of 7 weeds species by the allelopathic activity and some morphology-physiological and cytogenetic indices is presented. There are many morphology-physiological and cytogenetic features may be used for the bioindication of cultural plants’ state. They are height, leaf area, chlorophyll or carotenoids content, mitotic index, DNA content in the interphase nuclei of root meristem cells, somatic mutations level, truss size, pollen sterility and fertile pollen grains volume. These features essentially depend on the allelopathic activity of the weeds and different techniques of the crops management. They set up the uniform system in which every constituent may harmonize its changes with the other ones, that furthers the maintenance equilibrium in a biogeocoenosis.

172-177

Authors: A. V. Posrednikova, O. Y. Pakhomov, Y. L. Kulbachko

The variety of soil algae was studied on areas of revegetation and without it in the Zhovti Vody. The systematic and ecological structure of algal flora and algae dominant species were indicated. We counted 28 species of soil algae on the dumps of uranium mining: Chlorophyta – 11 species (39.5 %), Cyanophyta – 11 (39.5 %), Xanthophyta – 2 (7 %), Bacillariophyta – 2 (7 %), Eustigmatohyta – 2 (7 %).

183-192

Authors: E. V. Prokopenko, А. E. Pakhomov, О. N. Кukach, А. V. Zhukov

Research results of the spider community ecological structure in the Voiskovoy ravine are presented. The connection between ecological structure of the community and properties of the corresponding ravine forest types is shown.

199-204

Authors: G. S. Rossihina, V. J. Popov

An approach to enhancing the level of formalisation of the investigations of plants’ resistance to drought is suggested. The approach is demonstrated on example of grain plants by using mathematical simulation. The approach gives a chance to standardize variation of the level of drought, to estimate the quality of plant control specimens, to plan the experiment and to create an effective method of assessment of the plants’ resistance to drought.

212-216

Authors: P. N. Polushkin, F. F. Klimov, A. V. Alsibai, D. V. Galchenco

Analysis of tuberculosis for the teenagers was conducted and the early and manifestative developments of tuberculosis were studied. The effectiveness of modern fluorography and techniques of BCG (Bacillus Calmette-Guerin) immunisation is analysed. It was found that the positive Mantoux test is observed in 16 % cases and mainly among people with the undifferentiated type of mycobacterium. We suppose that the mass fluorography of people which is obligatory used in Ukraine doesn’t determine early forms but only old indurated (calcinated) or destructive (disintegrated) forms of tuberculosis.

226-231

Authors: T. G. Chaus, A. I. Rudenko, M. O. Reva

Functional features of the gastroduodenal zone secretory activity before and after cholecystectomia were studied. The oppression of the stomach enzymatic secretion in patients with postcholecystectomia syndrome was established. The presence of duodeno-gastral reflux testifies to the duodenostasis and incompetence of closing function of the pyloric sphincter. Cholecystectomia entails the arrhythmia of circadian and ultradian rhythms of the whole digestive apparatus, including the derangements of the stomach secretory glands.

236-241

Authors: O. O. Shugurov

In this message the effect of stimulation of nearest dorsal roots in segments L5 – L7 of spinal cord on N1 and P components of the cord dorsum potential is described. The changes of these components at simultaneous stimulation of dorsal roots and at the “moved in time” stimulation are shown. We point that such spatial zones of activity of N1-component neurons are independent, but the same zones for the neurons of substantia gelatinosa overlap. The causes of such spatial property of neurons of spinal cord are considered.