Article
[The expression of mutation sy2 causing nonhomologous synapsis in meiosis of diploid rye Secale cereale L].
Genetika - 1 Feb 2002
Sosnikhina S P, Kirillova G A, Tikholiz O A, Mikhaĭlova E I, Smirnov V G, Fedorova Iu S, Mazurova T F, Bogdanov Iu F
Abstract excerpt
The cytological expression of spontaneous mutation sy2 isolated from a population of weedy rye was examined. It was demonstrated that the primary defect of meiosis in the mutant plants is nonhomologous synapsis, which occurs simultaneously with the homologous one. An electron microscope study of the synaptonemal complex (SC) at prophase I showed synaptic abnormalities that manifested as "switches" of synapting...
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