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3rd International Conference on Culture, Education and Economic Development of Modern Society (ICCESE 2019)

作者： Anna Egorenko Natalia Soldatova yulia romanova ANO "Moscow Regional Social and Economic Institute" National Research University "Moscow Power Engineering Institute" Moscow State University of Food Production Institute of Market Problems at the Russian Academy of Sciences

The following article is devoted to the issues of managing strategic planning of an educational organization development under the modern conditions of market and electronic economy. Nowadays strategic management in the field of education is more and more connected with the market conditions of the widespread digital technologies use, which leads to conflicts in the internal environment and requires fundamental changes aimed at moving from crisis management to strategic management strategic development planning. The article analyzes the features of strategic planning in Russian and Western educational institutions of higher education.

关键词： strategic planning educational organization strategic management higher education

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<i>Arabidopsis thaliana</i>Metabolites Secreted by Roots during Plant Growth in Phosphorus-Limiting Conditions

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American Journal of Plant Sciences 2019年第6期10卷 987-1001页

作者： Liliia R. Abdulkina Inna A. Аgabekian Inna B. Chastukhina Lia R. Valeeva yulia D. romanova Irina V. Khilyas Margarita R. Sharipova Eugene V. Shakirov Institute of Fundamental Medicine and Biology Kazan Federal University Kazan Russia Department of Integrative Biology University of Texas at Austin Austin USA

Phosphorus is one of the most important nutrients required for plant growth and development. While substantial amounts of total phosphorus are present in many soil types, plants are unable to utilize some organic phosphorus sources. The main goal of this study was to characterize the spectrum of secreted plant proteins, organic acids and other metabolites that can potentially contribute to utilization of various phosphorus compounds. Our data indicate that the composition of extracellular proteins secreted by plant roots varies depending on the specific source of P in the growth medium. Furthermore, some root-secreted metabolites, such as citrate, appear to be specific to a subset of ecotypes, while tartrate, succinate and oxalate are secreted by a number of A. thaliana ecotypes. We observed secretion of phenolic compounds, such as tannins, and deoxycytidine derivatives. Taken together, while no single secreted polypeptide, organic acid or secondary metabolite can be pinpointed as specific to plant growth in particular phosphorus conditions, our data indicate that A. thaliana ecotypes differ in their physiological responses to the source of phosphorus in the growth medium. Overall, these results suggest that physiological changes in plant responses to nutrient limitation are modulated by interactions between soil phosphorus source and the specific genotype of Arabidopsis plants.

关键词： Natural Variation Ecotype Root Exudates P Deficiency Secretion

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