Vol. 47 (2005), N 7, p. 584-594
ABNORMALITIES OF THE PLANT DIVISION SPINDLE

N. V. Shamina

Institute of Cytology and Genetics, Siberian Branch of RAS, Novosibirsk, Russia;
e-mail: shamina@bionet.nsc.ru

A list of 24 abnormal plant spindles observed in meiotic division of PMCs in wide hybrids, meiotic mutants, haploids, polyploids has been presented. The abonormalities arranged according to the course of normal prometaphase are provided with descriptions of their morphogenesis and consequences, microphotographs and schemes. The spindle abnormalities leading to meiotic restitution are registered.

Key words:  cytoskeleton, plant division spindle, mutations, abnormal meiosis, microtubules, meiotic restitution, PMCs


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