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Analýza samčí sterility způsobené T(16,17)43H chromosomální translokací
Čapková, Jana ; Homolka, David ; Ivánek, Robert ; Jansa, Petr ; Forejt, Jiří
Heterozygosity for certain mouse and human chromosomal rearrangements is characterized by male-limited sterility. Our model of a male-sterile chromosomal rearrangement represents mouse T(16;17)43H (T43) chromosomal translocation. The effect of the T43H translocation on spermatogenesis was studied. We analyzed meiosis in B10.T43/+ heterozygous male mice and we have obtained direct evidence on the transcriptional silencing of unsynapsed autosomal chromatin of the translocation quadrivalent and the subsequent failure of the X chromosome transcriptional inactivation at the mid-late pachytene of spermatogenesis.

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