MOLECULAR SCREENING OF POTATO VARIETIES BRED IN THE NORTHWESTERN ZONE OF THE RUSSIAN FEDERАTION

Increasing the resistance of varieties to diseases and pests is a priority in potato breeding. Many potato varieties created in the Leningrad Scientific Research Institute of Agriculture “Belogorka” are multi-species hybrids possessing complex resistance to the most spread pathogens in combination with a high plasticity, which determined their zoning in many regions of the Russian Federation. Potato varieties and hybrids created in different periods of time in this institute and in the Ltd Breeding company “LiGa” were included in marker-assisted selection with 22 markers of 14 R genes conferring extreme resistance to viruses PVY and PVX, resistance to cyst nematodes Globodera pallida (patotypes Pa2, Pa3) and G. rostochiensis (pathotype Ro1) and resistance to late blight. The data of molecular screening were compared with the results of the State Test of Varieties for Disease Resistance, as well as with other published sources. Markers of sterile and fertile cytoplasm types were also used in the study. Based on the results of molecular screening, varieties and hybrids with different combinations of markers of R genes conferring resistance to the most harmful pathogens (Rysto, Ry-fsto, Rx1, Rx2, Gro1-4, H1, Gpa2, R1, R3a, Rpi-blb1, Rpi-sto1) were detected. Among them, genotypes with sterile D-, T-, W/gamma cytoplasmic types were selected. Analysis of their pollen fertility, crossability and pedigree data showed that breeders succeed in obtaining fertile forms with the D- and T-types of cytoplasm carrying genetic material of Mexican polyploid species Solanum stoloniferum and S. demissum. The information about the presence of markers of R genes and about cytoplasm types of hybrids and varieties will allow an effective implementation of further breeding programs for resistance to a complex of pathogens, including pyramiding of R genes. The data of molecular screening made it possible to specify the pedigrees of several varieties and hybrids that have been created over several decades

ДИНАМИКА КАЧЕСТВА ЖИЗНИ ПАЦИЕНТОВ ПРИ ОПТИМИЗАЦИИ ИМПЛАНТАЦИОННОГО ПРОТЕЗИРОВАНИЯ И ОТНОШЕНИЕ ИХ К РЕЗУЛЬТАТАМ СТОМАТОЛОГИЧЕСКОГО ОРТОПЕДИЧЕСКОГО ЛЕЧЕНИЯ (СОЦИОЛОГИЧЕСКОЕ ИССЛЕДОВАНИЕ)

The life quality estimation of dental patients, especially with total adentia, before and after implant treatment is highly topical. A direct or immediate implant prosthodontics contributes to prompt restoration of impaired aesthetic and functional standards while urgently converting patients from a disability level to a high life quality category. However, mistakes and complications occurring in this treatment stage often result in patients’ discomfort and worsen their physical and psycho-emotional state. All these are not conductive to securely provided favourable results of dental implant prosthetics, and thus require further improvement of the clinical and conceptual approaches aimed at further optimization of the above specialized medical care. The authors succeeded in improving efficacy of immediate implant prosthodontics with extended orthopaedic constructions by means of optimizing the diagnostic and therapeutic resources, as well as the hygiene protocol.Оценка качества жизни стоматологических больных, особенно с полной потерей зубов, до и после имплантационного лечения является весьма актуальной. Непосредственное, или немедленное, имплантационное протезирование способствует скорейшему восстановлению нарушенных эстетических и функциональных норм, экстренно переводя пациентов с уровня инвалидизации до разряда высокого качества жизни. Однако ошибки и осложнения, возникающие на данном этапе лечения, зачастую вызывают дискомфорт у пациентов и ухудшают их физическое и психоэмоциональное состояние. Все это не способствует надежно гарантированным благоприятным исходам имплантационного протезирования и требует дальнейшего совершенствования клинических концептуальных подходов, направленных на дальнейшее совершенствование указанной специализированной медицинской помощи. Нам удалось повысить эффективность немедленного имплантационного протезирования протяженными ортопедическими конструкциями путем оптимизации диагностического, терапевтического ресурсов и гигиенического протокола

PATIENTS’ LIFE QUALITY DYNAMICS UPON OPTIMIZING THE IMPLANT PROSTHODONTICS AND THEIR ATTITUDE TO THE RESULTS OF DENTAL ORTHOPAEDIC TREATMENT (SOCIOLOGIC ANALYSIS)

The life quality estimation of dental patients, especially with total adentia, before and after implant treatment is highly topical. A direct or immediate implant prosthodontics contributes to prompt restoration of impaired aesthetic and functional standards while urgently converting patients from a disability level to a high life quality category. However, mistakes and complications occurring in this treatment stage often result in patients’ discomfort and worsen their physical and psycho-emotional state. All these are not conductive to securely provided favourable results of dental implant prosthetics, and thus require further improvement of the clinical and conceptual approaches aimed at further optimization of the above specialized medical care. The authors succeeded in improving efficacy of immediate implant prosthodontics with extended orthopaedic constructions by means of optimizing the diagnostic and therapeutic resources, as well as the hygiene protocol