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21 results for “A. Klimenko”
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Research ArticleOpen accessIn the author namesDetermination of the Mutagenicity of 2-aminoanthracene Using Chicken Hepatic S-9 FractionVladimir A. Chistyakov, Alexander V. Usatov, Aleksander I. Klimenko et al.The abundance of potential genotoxins makes it necessary to improve microbial test systems that allow to identify these substances quickly. At the same time, the methodology of metabolic activation of promutagens in vitro is very important. Microsomal preparations of rodents, which are generally used for that, have significant disadvantages associated with the potential health risks of the inducers of the … …OnLine Journal of Biological Sciences, Vol. 18, Issue 4 · 16 Nov 2018 · 7,195 accessesView PDFCite
Research ArticleOpen accessIn the author namesAge-Dependent Variation of Telomere Length and DNA Damage in ChickenMaxim S. Makarenko, Alexander V. Usatov, Lyubov V. Getmantseva et al.Birds are unique models for molecular studies on aging processes and cellular senescence because of their slow rates of aging and comparatively long life spans among homoeothermic animals. The study aimed to examine the relative telomere length and amount of nuclear, mitochondrial DNA lesions in hens of different ages and to find out the correlation between these biomarkers of aging. … …OnLine Journal of Biological Sciences, Vol. 17, Issue 4 · 14 Dec 2017 · 7,508 accessesView PDFCite
Case ReportOpen accessIn the author namesSome Biological Characteristics and Prediction of Sheep Productivity at Different Variants of Breed SelectionKolosov Yuri A., Klimenko Aleksander I., Vasilenko Vyacheslav N. et al.The paper presents the findings on the morpho structural diversity of sheep placenta, depending on such factors as age, exterior and physique characteristics, breeds, ewes prolificacy that are fundamental in assessing progeny viability. The experiment involved the ewes of the Caucasian and North Caucasian meet-and-wool breeds inseminated by the rams of the same breeds as well as the Texel, Poll … …OnLine Journal of Biological Sciences, Vol. 17, Issue 4 · 1 Dec 2017 · 7,622 accessesView PDFCite
Research ArticleOpen accessIn the author namesThe Single and Combined Effect of MC4R and GH Genes on Productive Traits of PigsLyubov Getmantseva, Maria Leonova, Aleksander Usatov et al.The aim of our work is to identify the single and combined effect of MC4R and GH polymorphism genes on growth and reproduction traits of pigs. The study was carried out on 204 crossbred F1 females (♀Landrace х ♂Large White) of the Breeding Farm in Russia. The analyzed productive traits were: The number of Days to 100-kg (Days to 100 … …American Journal of Agricultural and Biological Sciences, Vol. 12, Issue 1 · 18 Jan 2017 · 8,119 accessesView PDFCite
Research ArticleOpen accessIn the author namesPolymorphisms in Several Porcine Genes are Associated with Growth TraitsGetmantseva Lyubov, Anatoly Kolosov, Maria Leonova et al.The purpose of this study was to confirm the relation between polymorphism of POU1F1, GH, PRLR and MC4R genes and economically important traits of the Duroc pigs bred in Russia. Studies were carried out on purebred Duroc breed pigs (male n = 360). All pigs were kept under identical and standard conditions. The traits of analysis: The number of Days … …American Journal of Animal and Veterinary Sciences, Vol. 11, Issue 4 · 12 Nov 2016 · 7,419 accessesView PDFCite
Research ArticleOpen accessIn the author namesVariability of Chloroplast DNA of Extranuclear Sunflower MutantsMarkin Nicolay, Aieksandr Usatov, Maria Logacheva et al.A comparative analysis of full-genome sequences of chloroplast DNA (cpDNA) of the original inbred line 3629 and three extranuclear mutants, which were obtained by the method of mutagenesis induced with N-nitroso-N-methylurea (NMU) and characterized by different level of chlorophyll insufficiency (en:chlorina-7-yellow-green leaves; chlorophyll content (a + b)-67.8% with respect to the line 3629, variegated-10-leaves with white zones; chlorophyll content (a … …American Journal of Biochemistry and Biotechnology, Vol. 12, Issue 1 · 26 Mar 2016 · 7,272 accessesView PDFCite
Research ArticleOpen accessIn the author namesSSR Analysis of Maternal and Paternal Lines Selected in the Don Region (Russia)N. V. Markin, A. V. Usatov, V. N. Vasilenko et al.Evaluation of DNA polymorphisms of breeding material of sunflower from L.A. Zhdanov Don Experimental Station of oil Crops of V.S. Pustovoit All-Russian Research Institute of Oil Crops represented by 17 maternal (CMS) lines and 12 paternal (Rf) lines was conducted. There were identified 35 allelic variants of CMS lines and 42 allelic variants of Rf lines with use of 11 … …American Journal of Agricultural and Biological Sciences, Vol. 11, Issue 1 · 16 Jan 2016 · 7,556 accessesView PDFCite
Research ArticleOpen accessIn the author namesLeukemia Inhibitory Factor (LIF) Gene Polymorphism and its Impact on Reproductive Traits of PigsM. A. Leonova, L. V. Getmantseva, V. N. Vasilenko et al.The purpose of this study was to determine the frequencies of alleles and genotypes of the Leukemia Inhibitory Factor (LIF) gene (ID: 399503) in Landrace, Large White and Duroc pigs in Russia and to evaluate the impact on productive traits of pigs. Polymorphism was genotyped using PCR-RFLP method. In the course of studies we observed a different distribution of allele … …American Journal of Animal and Veterinary Sciences, Vol. 10, Issue 4 · 18 Oct 2015 · 7,406 accessesView PDFCite
Research ArticleOpen accessIn the author namesDNA-MARKERS OF SUNFLOWER RESISTANCE TO THE DOWNY MILDEW (PLASMOPARA HALSTEDII)A. V. Usatov, A. I. Klimenko, K. V. Azarin et al.One of the areas of biotechnology sunflower is the development and testing of DNA markers of important agronomic traits and in particular markers of resistance to downy mildew. Resistance of 16 Rf-lines of sunflower to the races 330 and 710 of Plasmopara halstedii has been studied. Genotyping of these lines was carried out using 9 STS-markers of three Pl-loci, Pl5, … …American Journal of Biochemistry and Biotechnology, Vol. 10, Issue 2 · 24 Jul 2014 · 7,427 accessesView PDFCite
Research ArticleOpen accessIn the author namesTHE RELATIONSHIP BETWEEN HETEROSIS AND GENETIC DISTANCES BASED ON SSR MARKERS IN HELIANTHUS ANNUUSA. V. Usatov, A. I. Klimenko, K. V. Azarin et al.Identifying the best inbred combinations for the development of commercial hybrid of sunflower remains the main challenge to sunflower breeders. In the present research the level of heterosis of F1 hybrids, genetic diversity of parental lines based on SSR markers, as well as its connection with specific combining ability of sunflower were studied. Ten sunflower elite inbred lines (3 restorer … …American Journal of Agricultural and Biological Sciences, Vol. 9, Issue 3 · 7 Mar 2014 · 8,007 accessesView PDFCite