THE STUDY OF THE RELATIONSHIP OF MORPHOLOGICAL AND FUNCTIONAL DIFFERENCES IN THE POPULATION OF MITOCHONDRIA OF HIGHER PLANTS WITH THEIR SPECIALIZATION IN BIOENERGY AND ADAPTIVE FUNCTIONS

Original title

ИЗУЧЕНИЕ ВЗАИМОСВЯЗИ МОРФОЛОГИЧЕСКИХ И ФУНКЦИОНАЛЬНЫХ РАЗЛИЧИЙ ПОПУЛЯЦИИ МИТОХОНДРИЙ ВЫСШИХ РАСТЕНИЙ С ИХ СПЕЦИАЛИЗАЦИЕЙ ПРИ ВЫПОЛНЕНИИ БИОЭНЕРГЕТИЧЕСКИХ И АДАПТИВНЫХ ФУНКЦИЙ

Authors

Subota I.Yu., Koulintchenko M.V., Bolotova T.A., Konstantinov Yu.M.

Contact information

Siberian Institute of Plant Physiology and Biochemistry SB RAS, Irkutsk, Этот адрес электронной почты защищён от спам-ботов. У вас должен быть включен JavaScript для просмотра.

Pages

127-129

DOI

10.31255/978-5-94797-318-1-127-129

Abstract

The present study aimed at the investigation of subpopulations of mitochondria obtained from etiolated seedlings of maize (Zea mays) and turnip roots (Brassica rapa) in respect of a number of functional characteristics, such as the activity of respiratory complexes, etc. Mitochondria were obtained by differential centrifugation followed by separation in a linear gradient of sucrose density (0.3 - 1.2 M). Visually, 2-3 fractions can be distinguished in the density gradient. We conclude that the mitochondrial fraction 1 has significant differences in the composition and functioning of membrane complexes compared to the fractions 2 and 3 which contain typical mitochondria. Apparently, this fraction represents immature mitochondria, containing complexes of the respiratory chain which are still forming and are not completely functional.