B. P. Karadzhan

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Dynamics of structural changes of nucleoli, complex nucleolar aggregates and chromatin bodies in macronuclei (Ma) of ciliates Paramecium candatum and Bursaria truncatella under hypotonic conditions was studied. It was shown that after a 3 min hypotonic treatment nuclei swelled and became highly vacuolated. 3D-reconstruction showed that such nucleoli were(More)
Arcella vulgaris and A. vulgaris var. multinucleata have two and seven vesicular nuclei, respectively. In early interphase, the nuclei are spherical, with a main central nucleolus and several small peripheral nucleoli. The main nucleolus has mixed fibrillar and granular components and no apparent chromatin bodies in the nucleolus-organizing regions (NORs).(More)
The nuclei ofTracheloraphis crassus were studied using light and electron microscopy combined with Bernhard's RNP staining and pronase digestion. The nuclear apparatus of this species consists of a longitudinal row of 11–43 macronuclei and 4–16 micronuclei. Like in all karyorelictids, the macronuclei are unable to divide and become segregated during(More)
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