Досліджено перебіг мейозу в генетично модифікованих рослин пшениці, отриманих за Agrobacterium-опосередкованої трансформації сорту Зимоярка методом in planta. Виявлено, що трансгенні форми характеризуються більшою частотою порушень мейозу порівняно з нетрансгенними рослинами. У результаті порівняльного аналізу перебігу мейозу встановлено, що у трансгенних ліній, отриманих за використання штаму AGLO і векторної конструкції рВі2Е, відсоток клітин із порушеннями на стадії метафази 1 був значно нижчим, а мейотичний індекс відповідно вищим, ніж у ліній, отриманих за використання штаму AGLO і векторної конструкції рВі-ОАТ. Визначено, що кількість клітин із порушеннями мейозу найбільша у трансгенних рослин ліній зі зниженою фертильністю пилку і низькою насіннєвою продуктивністю.
Ключові слова: Triticum aestivum L., Agrobacterium-опосередкована трансформація in planta, мейоз
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