TY - JOUR AU - Blagojević, Jelena AU - Rajičić, Marija AU - Jovanović, Vladimir AU - Adnađević, Tanja AU - Budinski, Ivana AU - Pejić, Branka AU - Vujošević, Mladen PY - 2018/08/20 Y2 - 2024/03/29 TI - One more Microtus species with asynaptic sex chromosomes JF - Archives of Biological Sciences JA - Arch Biol Sci VL - 70 IS - 3 SE - Articles DO - UR - https://www.serbiosoc.org.rs/arch/index.php/abs/article/view/2364 SP - 443-447 AB - <p><strong>Paper description:</strong></p><ul><li>The Genus <em>Microtus</em> is known as a karyotypically extremely polymorphic group, distinguished by numeric and morphological variations of chromosomes and the presence of species with asynaptic sex chromosomes.</li><li>Although asynaptic sex chromosomes are frequent in the <em>Microtus</em> genus, this is the first finding for the European pine vole, <em>Microtus subterraneus </em>(2n=52).</li><li>Up to now, pairing of sex chromosomes during meiosis was investigated in 26 species of which 18 are asynaptic, including this new finding.</li></ul><p><strong><br /></strong></p><p><strong>Abstract:</strong> Arvicoline voles are known as a karyotypically extremely polymorphic group in which the genus <em>Microtus</em> leads with the highest rate of karyotype change. A member of this genus, the European pine vole <em>Microtus subterraneus</em> (de Selys-Longchamps, 1836), is widely distributed in Europe and parts of Asia. There are two cytotypes differing in diploid chromosome number, 2n=54 and 52, each showing different chromosomal polymorphisms. At two localities in southeastern Serbia, Mt. Jastrebac and Vlasina, we found the 2n=52 cytotype. Meiotic preparations from males revealed the presence of asynaptic sex chromosomes. Although asynaptic sex chromosomes are frequent in <em>Microtus</em>, this is the first finding for <em>M. subterraneus</em>. From summarized data it appears that two-thirds of the studied species, mainly from <em>Microtus</em> and <em>Terricola</em> subgenera, possess asynaptic sex chromosomes.</p><p><a href="https://doi.org/10.2298/ABS171113004B">https://doi.org/10.2298/ABS171113004B</a></p><div><p><strong>Received:</strong> November 13, 2017; <strong>Revised:</strong> January 12, 2018; <strong>Accepted:</strong> February 1, 2018; <strong>Published online:</strong> February 7, 2018</p><p><strong>How to cite this article:</strong> Blagojević J, Rajičić M, Jovanović V, Adnađević T, Budinski I, Pejić B, Vujošević M. One more <em>Microtus</em> species with asynaptic sex chromosomes. Arch Biol Sci. 2018;70(3):…</p></div> ER -