Mechanisms of Plant Tolerance to RNA Viruses Induced by Plant-Growth-Promoting Microorganisms.

Plant viruses are globally responsible for the significant crop losses of economically important plants. All common approaches are not able to eradicate viral infection. Many non-conventional strategies are currently used to control viral infection, but unfortunately, they are not always effective.

MicroRNA-200 family expression analysis in metastatic clear cell renal cell carcinoma patients.

The aim of this study is to analyse the of expression levels of microRNA-200 family members in patients with metastatic clear cell renal cell carcinoma (ccRCC). Analysis of microRNA expression was performed on 23 paired DNA samples extracted from kidney tumour tissue and the surrounding normal renal parenchyma. MicroRna-200c was found to have significantly lower expression (in kidney tumour tissue compared to normal renal parenchyma.

The Role of Reverse Transcriptase in the Origin of Life.

It has been suggested that RNA polymerase ribozyme displaying reverse transcriptase and integrase activities has played a vital role in the origin of life on Earth. Here, we present a hypothesis that formation of universal ancestral units of all living organisms - retroelements - in the evolution was mediated by reverse transcriptase. The propensity of retroelements to mutations and their insertion capacity have formed a basis for the origin of complex DNA structures - primary genomes - that have given rise to archaea, eukaryotes, bacteria, and viruses.

Reconstructing recent population history while mapping rare variants using haplotypes.

Haplotype-based methods are a cost-effective alternative to characterize unobserved rare variants and map disease-associated alleles. Moreover, they can be used to reconstruct recent population history, which shaped distribution of rare variants and thus can be used to guide gene mapping studies. In this study, we analysed Illumina 650 k genotyped dataset on three underrepresented populations from Eastern Europe, where ancestors of Russians came into contact with two indigenous ethnic groups, Bashkirs and Tatars.

[Nutrition of children in modern Russian family: social and economic aspect].

The aim of this article is to study the problem of the nutritional status of children in a modern Russian family. This work is based on the analysis of statistical data of the results of a sample survey of households' budgets, reflecting the interrelationship between the standard of living of the Russian family and children, its material wealth, the possibility of high quality, high-grade nutrition for all its members, especially children. The standard of living, the share of food expenditure, the consumption of basic food groups, the nutritive and energy value of diets in households with children (a family with one child, two, three or more children) were studied.

The first example of fluorescence of the solid individual compounds of Eu ion: EuCl , EuI , EuBr.

Fluorescence (FL) from Eu ion solid individual compounds was observed for the first time using the examples EuCl , EuI and EuBr . Fluorescence was detected at excitation by ultraviolet (UV) light from powdered samples of Eu (II) halides at room temperature (RT) in an argon atmosphere. In air, FL of all Eu compounds studied was stable, and intensity persisted for weeks.

Divalent Eu ion - an effective inorganic mediator of energy transfer from the primary chemiluminescence emitter Me CHC(H)=O* on Tb and Ru(bpy) ions.

This study demonstrated for the first time that chemiluminescence (CL) from oxidation of Bu AlH (Bu = C H ) using oxygen from tetrahydrofuran (THF) was significantly enhanced by the addition of Ru(bpy) . A quantitative comparison of the enhancement efficiency of this CL was performed by addition of ionic phosphors Eu , Tb and Ru(bpy) . CL enhancement was caused by energy transfer from the primary CL emitter ( Me CHC(H)=O* aldehyde) to these ionic phosphors.

Structure and vibrational properties of the PTCDA/Ag(1 1 1) interface: bilayer versus monolayer.

The structural and vibrational properties of metal-organic interfaces have been examined by means of infrared (IR) absorption spectroscopy and density functional theory (DFT) with an approach accounting for long-range dispersive interactions. We focus on a comparative study of the PTCDA monolayer and bilayer on Ag(1 1 1). The equilibrium geometry at the molecule-metal interface and the IR spectrum of the chemisorbed monolayer of PTCDA on Ag(1 1 1) are well described by the computations.