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0512U000638,
д.б.н.
11-09-2012
o
Phylogenetic analysis and strain diversity of plants RNA viruses in Ukraine - Manuscript copyright.
Budzanіvska Irina Gennadіїvna,
popup.head Polіschuk Valerіy Petrovich
popup.opponent Щербатенко Іван Степанович
popup.opponent Мельничук Максим Дмитрович
popup.opponent Мітрофанова Ольга Володимирівна
Дисертаційна робота присвячена вивченню дивергенції різних РНК-вмісних вірусів рослин на території України та проведенню їх молекулярно-біологічного та філогенетичниого аналізу; визначенню походження проаналізованих українських ізолятів вірусів рослин; перевірці гіпотетичних механізмів еволюції українських ізолятів РНК-вмісних вірусів рослин. На основі вивчення нуклеотидних послідовностей генів капсидних білків досліджених українських ізолятів десяти РНК- вмісних вірусів рослин (з 8 родів та 5-ти родин) в польових та лабораторних умовах показано, що немає прямої залежності молекулярної дивергенції вірусів від кліматичних умов, рослини-хазяя, географічного поширення та впливу абіотичних факторів (важких металів). Показано походження для українських ізолятів досліджуваних вірусів. Виявлена висока спорідненість між українськими ізолятами, що свідчить про їх високу гомогенність (для всіх досліджуваних вірусів, окрім ВХПЛЯ). Встановлено відсутність впливу таких стресових чинників як важкі метали на швидкість мутаційних процесів у досліджуваній ділянці геному вірусу тютюнової мозаїки протягом 16 місяців культивування на рослинах Nicotiana tabacum cv. Samsun (4 покоління).
2012-09-11
2020-04-04
Updated: 2026-01-13
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