Impairment of homologous chromosome synapsis in meiosis in rye Secale cereale L. caused by a recessive mutation of the sy18 gene

S. P. Sosnikhina, E. I. Mikhailova, N. V. Tsvetkova, A. V. Voylokov, A. V. Lovtsyus, I. V. Iordanskaya, O. L. Kolomiets, Yu F. Bogdanov

Результат исследований: Научные публикации в периодических изданияхстатья

1 Цитирования (Scopus)

Аннотация

Expression and inheritance of the sy18 mutation causing impairment of synapsis homology were studied. It was established that the abnormal phenotype is determined by a recessive allele of the sy18 gene. Univalents and multivalents are observed in homozygotes for this mutant allele. According to the electron microscopic analysis of synaptonemal complexes in mutants, homologous synapsis occurs together with nonhomologous synapsis. The sy18 gene was found to have no allelism with asynaptic genes sy1 and sy9 and with genes sy10 and sy19 causing, like sy18, disturbances in synapsis homology.

Язык оригиналаанглийский
Страницы (с-по)1385-1393
Число страниц9
ЖурналRussian Journal of Genetics
Том45
Номер выпуска11
DOI
СостояниеОпубликовано - 1 ноя 2009

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