Analysis of genomic Instability in Primary Spermatocytes of Interspecific Hybrids of the Red Fox (Vulpes vulpes) and the Arctic Fox (Alopex lagopus)

被引：2

作者：

Bugno-Poniewierska, Monika ^{[1
]}

Pawlina, Klaudia ^{[1
]}

Jakubczak, Andrzej ^{[2
]}

Jezewska-Witkowska, Grazyna ^{[2
]}

机构：

[1] Natl Res Inst Anim Prod, Lab Genom, PL-32083 Balice, Poland

[2] Univ Life Sci Lublin, Dept Biol Basis Anim Prod, PL-20950 Lublin, Poland

来源：

FOLIA BIOLOGICA-KRAKOW | 2014年 / 62卷 / 04期

关键词：

Alopex-Vulpes hybrids; heterosomes; interspecific hybrids; meiosis; synaptonemal complexes; SYNAPTONEMAL COMPLEX-ANALYSIS; MALE-STERILITY; SILVER FOX; BLUE FOX; APOPTOSIS; MOUSE; NECROSIS;

D O I：

10.3409/fb62_4.307

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The aim of this study was to analyse meiotic cells of male interspecific hybrids of the red fox (Vulpes vulpes) and the arctic fox (Alopex lagopus). To this end we determined stages of meiotic cells as well as carried out FISH analyses with probes specific to heterosomes and a TUNEL assay on synaptonemal complex preparations. The meiotic cell analysis revealed only the presence of stages of the first meiotic division from leptotene to pachytene. Moreover, we observed an increased level of early dissociation of the X-Y bivalent as well as a high percentage of apoptotic cells. These results indicate the disruption of meiotic division in male hybrids manifested through meiotic arrest of the cells. Faulty pairing of the heterosomes can be considered as one of the causes leading to the initiation of the apoptotic process.

引用

页码：307 / 312

页数：6

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