ISSN 10214437, Russian Journal of Plant Physiology, 2011, Vol. 58, No. 6, p. 951. © Pleiades Publishing, Ltd., 2011. Original Russian Text © Vl.V. Kuznetsov, V.P. Kholodova, 2011, published in Fiziologiya Rastenii, 2011, Vol. 58, No. 6, p. 803. Foreword to the Publication of Materials of AllRussian Symposium “Plant and Stress” (Moscow, October 9–12, 2010) DOI: 10.1134/S1021443711060112 Plants are exposed to the complex action of damag them are devoted to the study of general mechanisms ing factors of different physical nature. The most of plant resistance to various unfavorable conditions, important are temperature and moisture availability, which include the protective antioxidant systems, since these two factors largely determine the geo compatible osmolytes manifesting multiple stress graphic range of species and yield of major agricultural protective action and properties of chemical chaper and industrial crops. Adverse changes of global climate ones, and, finally, molecular chaperones. The data on exert negative impact on plants. The consequence of plant crossadaptation to low abovezero tempera these changes is the increase of instability in the tures (or ionizing radiation) and biopathogens and regional climate and increasing aridity of the upper also the proof of the protective role of violaxanthin and rootinhabited layers of soil. In addition, industrial diadinoxanthin cycles under stress conditions are pre pollution of environment becomes every year more sented. and more threatening, which in turn leads to a Thus, it is shown that, in response to heavy metal decrease in biodiversity of wild species and to a drop in action, barley plants change transcription intensity of agrobiocenosis productivity. The development of some chloroplast genes; cadmium blocks splicing of modern biotechnologies for plant protection and the chloroplast rpl16 gene transcript. The expression increased productivity under unfavorable growth con patterns of transfactor and Cor genes in wheat seed ditions is limited by poor knowledge of the mecha lings and transgenic rape plants were examined. Over nisms of plant adaptation and tolerance. In this expression of the rice Osmyb4 gene encoding MYB4 regard, plant physiologists should investigate the transfactor in rape plants was accompanied by an mechanisms of adaptation at different levels of plant increased cold tolerance due to the accumulation of defense systems, which involves understanding the compatible osmolytes and antioxidants of phenolic laws of the integrative plant responses to the deleteri nature. The involvement of nitric oxide, calcium ions, ous effects: the perception and transduction of the and phytohormones in the regulation of the antioxi stress signal; the establishment and operation of gen dant system activity in response to hypothermia, high eral and specialized defense systems; and finally yield production. To achieve this goal, it is necessary to use concentrations of heavy metal salts, and dehydration was demonstrated. A potential for the restoring the not only traditional methods of plant physiology and northern plant communities destroyed by industrial biochemistry, but also the methods of molecular biol ogy, genetic engineering, bioinformatics, genomics, pollution by means of plant seed propagation was proteomics, and metabolomics. assessed. The expediency of using the roots as test objects for the study of plant responses to stressors of In this and subsequent journal issues, some materi different nature was substantiated. als of the Symposium “Plants and Stress” reflecting modern trends of research of plant strategies and We hope that this thematic issue will be useful not mechanisms of adaptation to different extreme condi only for those researchers who already work in this tions (low and high temperatures, hypoxia, water def area, but also for those who just choose their own way icit, heavy metal salts, ionizing radiation, pulsed mag in science. Finally, we thank all authors and reviewers netic fields, biopathogens, etc.) will be published. who participated in the preparation of this issue. Without attempting a detailed analysis of the mate Vl. V. Kuznetsov and V. P. Kholodova rials for publication, we nevertheless note that many of
Russian Journal of Plant Physiology – Springer Journals
Published: Oct 12, 2011
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