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Journal of Cell Science, Vol 30, Issue 1 187-191, Copyright © 1978 by Company of Biologists

JOURNAL ARTICLES

The maintenance of kappa during macronuclear reorganization in Paramecium tetraurelia

S Koizumi and S Kobayashi

Kappa particles were injected into stock-51 sensitives (KK) of Paramecium tetraurelia to investigate the maintenance of kappa by gene K during macronuclear reorganization. Injection into exconjugants and autogamous cells followed by macronuclear regeneration, induced by microsurgical removal of macronuclear Anlagen, resulted in maintenance of kappa particles by a considerable proportion of the clones descended from the recipient paramecia. Injection into animals that underwent normal reorganization however usually failed to yield particle-maintaining paramecia.




© The Company of Biologists Ltd 1978